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IJPDLM
31,1                                       The challenge of reverse
                                         logistics in catalog retailing
                                    Chad W. Autry, Patricia J. Daugherty and R. Glenn Richey
26                                        Division of Marketing, The University of Oklahoma, Norman,
                                                                Oklahoma, USA
Received April 2000
Revised June 2000,                  Keywords Reverse logistics, Catalogue retailing, Customer service, Channel management
September 2000                      Abstract Many firms are placing greater emphasis on managing returned product. Reverse
                                    logistics programs are being used to recover assets that would otherwise be lost. Research results are
                                    presented covering reverse logistics programs in the electronics industry, specifically among firms
                                    selling through catalogs. The paper looks at how reverse logistics performance and satisfaction with
                                    reverse logistics service are influenced by industry, firm size/sales volume, and internal or external
                                    assignment of responsibility for disposition. The results are mixed. Performance is significantly
                                    impacted by sales volume, while industry effects significantly impact satisfaction. Neither
                                    performance nor satisfaction was significantly influenced by location of responsibility for disposition.

                                    All sales are not final. Firms are finding that they must cope with an escalating
                                    volume of returned/unsold/damaged product. The tremendous growth in returns
                                    has stimulated new interest in reverse logistics as firms attempt to meet the
                                    challenge. As Witt (1995) notes, ``It's one thing to say you'll take the merchandise
                                    back; something else when you're the person in the distribution center who has to
                                    figure out how to get it back and what to do with it when it arrives'' (p. 22).
                                       Two recent books, Development and Implementation of Reverse Logistics
                                    Programs by Stock (1998) and Going Backwards: Reverse Logistics Trends and
                                    Practices co-authored by Rogers and Tibben-Lembke (1999), provide
                                    comprehensive coverage of reverse logistics practices. The current research was
                                    undertaken to gain greater insights by examining one industry, i.e. electronics retail
                                    firms selling through catalogs. The electronics industry can be further broken
                                    down into several segments ± computer/office equipment, household appliances,
                                    household audio/video, and communications equipment. The intent was to allow
                                    assessment of current practices and to identify variations in performance based on
                                    firm characteristics or operations. Following a brief review of relevant literature,
                                    results of the research are provided detailing a profile of reverse logistics program
                                    performance and satisfaction among the electronics retailing firms.

                                    Reverse logistics
                                    Reverse logistics has important environmental dimensions, i.e. green logistics
                                    (Byrne and Deeb, 1993; Carter and Ellram, 1998; Wu and Dunn, 1995), as well
                                    as dimensions relating to value reclamation. The latter is of the most interest in
                                    the current research. The research focuses on companies' efforts to reclaim
                                    value through the returns process. This may be prompted by a wide range of
International Journal of Physical
Distribution & Logistics            reasons including the reclamation of unsold, damaged, or mis-shipped product.
Management, Vol. 31 No. 1, 2001,
pp. 26-37. # MCB University
                                       Effective reverse logistics is believed to result in direct benefits, including
Press, 0960-0035                    improved customer satisfaction, decreased resource investment levels, and
reductions in storage and distribution costs (Guintini and Andel, 1995a; Andel, The challenge of
1997). Reverse logistics can significantly impact a company's bottom line by reverse logistics
recapturing value (Andel, 1997; Clendenin, 1997; South, 1998). In fact, if a firm
does reverse logistics well, it will make money (Stock 1998). Recovery of
products for remanufacturing, repair, reconfiguration, and recycling can create
profitable business opportunities (Giuntini and Andel, 1995b). Companies that
are able to take advantage of economies of scale may do especially well.                     27
Reverse logistics also influences customer service/satisfaction. For example,
the ability to quickly and efficiently handle the return of product for necessary
repair can be critical (Blumberg, 1999).
   In spite of the fact that reverse logistics can so dramatically influence firm
finances and customer relations, too often it is overlooked and the strategic value
ignored. Rogers and Tibben-Lembke (1999) found that four in ten logistics
managers consider reverse logistics unimportant compared to other company
issues. It is estimated that some industries have return rates in the range of 30
per cent to 50 per cent (Meyer, 1999); other estimates are as high as 60 per cent
(Jedd, 1999). Considering this, the perspective that reverse logistics is
unimportant is dangerous and likely to negatively impact firm performance.
   Reverse logistics is not optional and it is not unimportant. Liberal return
policies are standard marketing practice at many firms. Customers are often
allowed to return products for any reason, no questions asked. This, coupled
with the need to accommodate damaged or defective merchandise, product
recalls, maintenance and repairs, and recycling, means logistics professionals
must place a higher priority on effectively managing returns. According to
Minahan (1998), efficient management of returns can reduce companies' annual
logistics costs by as much as 10 per cent. About 20 per cent of potential cost
savings from improved reverse logistics typically come from labor savings; the
other 80 per cent relates to savings in freight costs and reductions in pipeline
inventory (McKeefry, 1997).

Research questions
Three research questions were addressed.

Q1 ± Are there differences in reverse logistics program performance or
satisfaction by industry?
In spite of the fact that the importance of developing reverse logistics
capabilities is widely talked about, little empirical research is available
detailing historical accounts or profiling program performance. Reverse
logistics is highly industry-specific. Industry segments react differently with
respect to the strategic allocation of resources and reverse logistics program
development due to the special challenges and differences in operating
characteristics across or between industry segments (Marien, 1998). Reverse
logistics is often ``tailored'' to fit industry/customer requirements (Blumberg,
1999). Such differences in reverse logistics programs can be explained by the
tenets of contingency theory. Contingency theory states that different
IJPDLM   environments place differing requirements on organizations (Lawrence and
31,1     Lorsch, 1967). This was tested in the current research by examining whether
         differences could be identified based on industry affiliation of the respondents
         and whether different programs are likely to provide differential value to
         customers.
            Langley and Holcomb (1992) have proposed that logistics program value can
28       be measured along three dimensions: effectiveness, efficiency, and differentiation.
         Effectiveness refers to the level of performance provided by the program,
         efficiency refers to resource commitments or cost controls, and differentiation
         refers to program uniqueness. Thus, according to Langley and Holcomb (1992),
         effectiveness is synonymous with performance, and efficiency leads to
         satisfaction with the programs. The first research question addresses these issues
         within a reverse logistics context.

         Q2 ± Are there differences in reverse logistics program performance or
         satisfaction by firm size, i.e. sales volume?
         The implementation of internal reverse logistics programs often involves
         significant allocations of capital and/or resources for the construction of
         reclamation and redistribution facilities, purchasing of recycling equipment,
         re-training of employees, etc. In order to justify expenditures on in-house
         programs, sufficient volumes of reverse logistics activities are required (Stock,
         1998). In general, the viability of investment in reverse logistics programs can
         be linked to the volume of business being handled by the organizational unit.
         Volume has been presented as a key driver of reverse logistics strategies, and
         distinctive characteristics have been identified between organizations based on
         their levels of reverse logistics activity (Johnson and Leenders, 1997).
         Specifically, as organizations experience higher volumes of returned product,
         they tend to develop expertise or experience that allows them to operate reverse
         logistics programs more efficiently and effectively (Johnson, 1998). These
         issues are examined by the second research question.

         Q3 ± Are there differences in reverse logistics program performance or
         satisfaction by internal vs. external assignment of responsibility?
         Reverse logistics responsibility can be retained within the firm (catalog
         retailers within the current context) or transferred/assigned to trading partners
         (manufacturers or their intermediaries). Additionally, reverse logistics is
         frequently considered a prime candidate for outsourcing, i.e. use of a third-
         party firm.
            Handling reverse logistics internally, a do-it-yourself approach, allows the
         firm to keep control over the process. Internal managers are expected to be
         familiar with the process, the products, and potential outlets for disposal or sale
         of products (Johnson, 1998). Of course, the do-it-yourself internal approach
         requires the commitment of considerable firm resources (time and financial)
         and assumes internal capabilities and expertise which may or may not be
         present. Alternatively, in some instances, firms elect to hand off reverse
logistics to the trading partner. In such instances, it is assumed that the trading The challenge of
partner (i.e. manufacturer in the current context) will be better suited to reverse logistics
handling returns due to prior experience and/or handling of greater volumes
thus allowing economies that the retailer could not achieve. However, external
handling of reverse logistics is not without drawbacks either. When reverse
logistics is handled externally, close coordination between the parties is
required to ensure maximum efficiency (Blumberg, 1999). The third research                       29
question explores the relationship between internal or external handling of
reverse logistics and program performance/satisfaction.

Methodology
Based on a review of the literature and interviews with logistics professionals, a
survey of reverse logistics practices was developed. The survey was pretested
with other logistics professionals and modified with respect to their input.
   A commercial mailing list of 212 CEOs at US catalog companies selling
electronic goods was purchased. Questionnaires were mailed to this group and
reminder cards sent after two weeks. A total of 81 surveys were returned, of
which ten had excessive missing values, yielding 71 usable surveys (33.5 per
cent). The respondent base represents a variety of electronics industry segments,
including computers, office equipment, household applicances, household audio,
household video, and communications equipment. The average annual sales
volume and average number of employees for respondent firms were $32.5
million and 160, respectively.
   An analysis of non-response bias was performed by comparing early and
late responses, per guidelines established by Armstrong and Overton (1977).
Responses from the last quartile of respondents (assumed to be most similar to
those of non-respondents) were compared to responses provided by the first
three quartiles of respondents. Comparisons of means on survey items across
groups ( p < 0.05) revealed no significant differences for relevant variables.
Thus, non-response bias is not considered to be a problem.

Results and discussion
The research results indicate respondents' satisfaction levels and performance
of their firms' reverse logistics programs. Respondents were provided with a
list of reverse logistics-related performance measures and asked to indicate
how effective their firms have been in achieving each of them. The specific
items were developed, based on a review of the literature and refined following
input from pretesting. A total of six items were included. The items were
measured on a seven-point Likert-type scale with 1 = not at all effective and 7 =
extremely effective. The means and standard deviations for the performance
items are presented in Table I.
    As indicated in Table I, reverse logistics programs have been effective in
achieving two of the more externally-driven program-related goals. The
respondents reported that their firms have been successful in terms of
environmental regulatory compliance (5.69) and in achieving improved customer
IJPDLM                    relations (5.66) via reverse logistics programs. However, the respondents indicated
31,1                      less effectiveness in achieving the more internally-focused program goals. They
                          have only been moderately successful at recovery of assets (5.00), cost containment
                          (4.96), improved profitability (4.72), and reduced inventory investment (4.70).
                             Respondents were also questioned about their levels of satisfaction relating to
                          the reverse logistics programs provided by their trading partners. A series of eight
30                        reverse logistics related service components was provided and respondents were
                          asked to indicate how satisfied they were with their trading partners relative to
                          those areas. The list of satisfaction measures was developed following a literature
                          search and subsequent pretesting with logistics professionals. The items were
                          measured on a seven-point scale with 1 = not at all satisfied and 7 = extremely
                          satisfied. Satisfaction item means and standard deviations are included in Table II.
                             In general, firms are only somewhat satisfied with the reverse logistics
                          service being provided by their trading partners. Respondents indicated
                          moderate levels of satisfaction with their partners in the areas of quality of
                          rework/repair (4.95), compliance with the buying agreement (4.88), levels of
                          returns allowed (4.77), and ease of obtaining return authorization (4.71). Even
                          lower satisfaction was reported for timeliness of rework/repair (4.44), length of
                          time for credit processing (4.39), and reconciliation of chargebacks (4.37).
                          Finally, respondent firms are least satisfied with their trading partners' ability
                          to use the Internet to process returns (3.76).

                                                                                                         Standard
                          Performance measure                                            Mean            deviation

                          Environmental regulatory compliance                             5.69             1.60
                          Improved customer relations                                     5.66             1.34
                          Recovery of assets (products)                                   5.00             1.71
                          Cost containment                                                4.96             1.48
Table I.                  Improved profitability                                          4.72             1.59
Effectiveness in          Reduced inventory investment                                    4.70             1.79
achieving reverse
logistics goals           Notes: Seven-point scale: 1 = not at all effective ± 7 = extremely effective



                                                                                                         Standard
                          Satisfaction measure                                           Mean            deviation

                          Quality of rework/repair                                        4.95             1.36
                          Vendor's overall compliance with buying agreement               4.88             1.41
                          Level of returns allowed (use of cap programs)                  4.77             1.65
                          Ease of obtaining return authorization                          4.71             1.53
                          Timeliness of rework/repair                                     4.44             1.51
                          Length of time for credit processing                            4.39             1.54
                          Handling reconciliation of charge backs                         4.37             1.54
Table II.                 Use of Internet in processing returns                           3.76             1.99
Satisfaction with
reverse logistics service Notes: Seven-point scale: 1 = not at all satisfied ± 7 = extremely satisfied
Industry effects on performance and satisfaction                                       The challenge of
The literature suggests that reverse logistics performance and satisfaction with reverse logistics
reverse logistics service will vary by industry. The respondents were asked to
indicate their primary industry from a listing including the computer/office
equipment industry, the household appliance industry, the household audio/
video industry, or the communications equipment industry. If none of the
categories accurately characterized their business, the respondents were asked                      31
to write in alternate responses.
   Based on the responses, the sample was divided into two groups. Firms that
are participating in the computer/office equipment industry or the
communications equipment industry were placed in one group, while firms
specializing in household audio/video or appliances were placed into another.
Write-in responses were evaluated by the authors and placed into the
appropriate grouping. Results of t-tests performed to examine differences in
means by industry group on the reverse logistics performance measures are
presented in Table III. T-tests were also performed to examine differences in
means for satisfaction with the reverse logistics service. These results are
presented in Table IV.
   The results suggest no significant industry effect relative to reverse logistics
performance. None of the six performance measures were found to be significantly
different across the two groups. However, the results do indicate that industry has
significant implications for level of satisfaction with reverse logistics service. The
household goods industries had significantly higher levels of satisfaction ( p < 0.05)
on four of the reverse logistics service components. Satisfaction was significantly
higher for levels of returns allowed, ease of obtaining return authorization, length
of time for credit processing, and handling reconciliation of chargebacks. The
results also indicated moderate differences ( p < 0.10) for two other components,
quality and timeliness of rework/repair. In only two instances, use of the Internet in
processing returns and vendor compliance with the buying agreement, were no
significant differences found between industry groups. Thus, it appears as though
respondents in the household goods industries are more satisfied overall with their
reverse logistics service. Though the research did not attempt to discover reasons

                                                           t-tests for differences in means
                                                         Computer/office/
                                                         communications Household goods
Performance measure                                         industries           industries

Environmental regulatory compliance                             5.56             5.87
Improved customer relations                                     5.58             5.81
Recovery of assests (products)                                  4.86             5.30
Cost containment                                                4.90             5.08                    Table III.
Improved profitability                                          4.68             4.87              Reverse logistics
Reduced inventory investment                                    4.51             5.15              effectiveness by
                                                                                                 industry: t-test for
Notes: Seven-point scale: 1 = not at all effective ± 7 = extremely effective                  differences in means
IJPDLM                                                                               t-tests for differences in means
31,1                                                                               Computer/office/
                                                                                   communications Household goods
                          Satisfaction measure                                        industries           industries

                          Quality of rework/repair                                        4.71             5.31***
                          Vendor's overall compliance with buying agreement               4.75             5.09
32                        Level of returns allowed (use of cap programs)                  4.36             5.42**
                          Ease of obtaining return authorization                          4.34             5.30**
                          Timeliness of rework/repair                                     4.17             4.88***
                          Length of time for credit processing                            4.00             4.96**
                          Handling reconciliation of charge backs                         4.02             4.95**
Table IV.                 Use of Internet in processing returns                           3.59             4.16
Satisfaction with
reverse logistics service Notes: Seven-point scale: 1 = not at all satisfied ± 7 = extremely satisfied
by industry: t-test for   ** = Significantly different at p < 0.05
differences in means      *** = Significantly different at p < 0.10


                          for differences in satisfaction by industry, it is possible that the computer, office,
                          and communications industries might be evaluated more strictly with respect to
                          the satisfaction components, i.e. their target customers may hold them to higher
                          standards because they perceive business-related products to be more critical than
                          household goods.

                          Sales volume effects on performance and satisfaction
                          In order to examine associations between sales volume and reverse logistics
                          performance and satisfaction, respondents were asked to estimate their firms'
                          sales volume during the most recent fiscal year. The sample was divided into
                          two groups (at the fiftieth percentile) based on sales dollars. Thus, firms that
                          sold in excess of $32 million were designated as high volume firms, and those
                          selling at that volume or below that amount were designated as low volume
                          firms. T-tests were utilized to identify differences in performance and
                          satisfaction with reverse logistics service based on sales volume. The results
                          are presented in Tables V and VI.

                                                                                     t-tests for differences in means
                          Performance measure                                        High volume          Low volume

                          Environmental regulatory compliance                             5.34             6.20***
                          Improved customer relations                                     5.26             6.09**
                          Recovery of assets (products)                                   4.73             5.44***
                          Cost containment                                                4.45             5.50**
                          Improved profitability                                          4.45             5.07
Table V.                  Reduced inventory investment                                    4.29             5.34**
Reverse logistics
effectiveness by sales    Notes: Seven-point scale: 1 = not at all effective ± 7 = extremely effective
volume: t-tests for       ** = Significantly different at p < 0.05
differences in means      *** = Significantly different at p < 0.10
The results presented in Table V suggest that sales volume plays an important The challenge of
role in determining firm reverse logistics performance. Highly significant reverse logistics
differences ( p < 0.05) between groups were discovered for three of the six
performance measures, while two others were found to be different at a more
moderate significance level ( p < 0.10). Low volume firms were found to be
significantly more effective at improving customer relations, containing costs,
and reducing inventory investment than were high volume firms. Furthermore,                33
low volume firms were also moderately more effective at recovery of assets and
environmental regulatory compliance. For only one performance item,
improved profitability, was no significant difference found between the two
sales volume groups.
   These results indicate that smaller volume firms are doing a better job with
respect to reverse logistics effectiveness. This is an interesting finding, as it
might be expected that larger volume firms would enjoy performance
advantages due to economies of scale. However, although the electronics
catalog retailers are selling large volumes of goods, these volumes are being
achieved via a large number of small transactions. Many small return
shipments would not allow the firms to achieve economies and performance
may actually be impacted negatively. Also, with many small shipments
(returns of one item, for example) there are more opportunities for things to go
wrong, e.g. slow returns. Thus, smaller volume firms would have fewer
opportunities for mistakes and/or problems.
   Although Table V presents a case for sales volume impacting reverse
logistics performance, Table VI indicates that sales volume is not significantly
associated with the firm's satisfaction with its manufacturers/vendors relative
to their reverse logistics service. No significant differences were found between
the sales volume groups on the service component measures. It seems likely
that firms of both the high and low sales volume groups face many of the same
service-related problems. Further research will have to be undertaken to better
understand how economies of scale and economies of scope affect levels of
satisfaction associated with reverse logistics service.

                                                           t-tests for differences in means
Satisfaction measure                                       High volume          Low volume

Quality of rework/repair                                        4.79              5.22
Vendor's overall compliance with buying agreement               4.73              5.03
Level of returns allowed (use of cap programs)                  4.76              4.78
Ease of obtaining return authorization                          4.44              5.00
Timeliness of rework/repair                                     4.60              4.21
Length of time for credit processing                            4.37              4.40                      Table VI.
Handling reconciliation of charge backs                         4.34              4.42                Satisfaction with
Use of Internet in processing returns                           4.04              3.44         reverse logistics service
                                                                                               by sales volume: t-tests
Notes: Seven-point scale: 1 = not at all satisfied ± 7 = extremely satisfied                  for differences in means
IJPDLM                     Sales disposition responsibility effects on performance and satisfaction
31,1                       To examine the possibility that reverse logistics performance and satisfaction
                           with reverse logistics service might vary according to the internal/external
                           assignment of reverse logistics responsibility, respondents were asked to
                           indicate what happens to products that are returned by their customers.
                           Specifically, the respondents were asked to estimate the percentage of their
34                         returns handled through given disposition options.
                              Based on the responses, the sample was divided into two groups based on
                           the assignment of responsibility for disposition of returned product. Firms that
                           elect to handle the majority of their disposition activities internally (via
                           donation, destruction, recycling, refurbishment, repackaging and/or reselling)
                           were placed in one group, while firms that forward the majority of their returns
                           to the manufacturer or supplier for handling were placed into another. Results
                           of t-tests performed to examine differences in reverse logistics performance and
                           satisfaction by internal vs. external disposition are presented in Table VII and
                           Table VIII, respectively.

                                                                                      t-tests for differences in means
                                                                                      More internal       More external
                           Performance measure                                         disposition          disposition

                           Environmental regulatory compliance                             6.20             5.35**
                           Improved customer relations                                     5.58             5.75
                           Recovery of assets (products)                                   5.11             5.00
                           Cost containment                                                4.84             5.03
Table VII.                 Improved profitability                                          4.73             4.75
Reverse logistics          Reduced inventory investment                                    4.67             4.81
effectiveness by
disposition: t-tests for   Notes: Seven-point scale: 1 = not at all effective ± 7 = extremely effective
differences in means       ** = Significantly different at p < 0.10



                                                                                      t-tests for differences in means
                                                                                      More internal       More external
                           Satisfaction measure                                        disposition          disposition

                          Quality of rework/repair                                       5.12               4.86
                          Vendor's overall compliance with buying agreement              4.96               4.87
                          Level of returns allowed (use of cap programs)                 4.96               4.70
                          Ease of obtaining return authorization                         4.91               4.58
                          Timeliness of rework/repair                                    4.92               4.05**
Table VIII.               Length of time for credit processing                           4.66               4.20
Satisfaction with         Handling reconciliation of charge backs                        4.66               4.19
reverse logistics service Use of Internet in processing returns                          3.95               3.68
by disposition: t-test
for differences in        Notes: Seven-point scale: 1 = not at all satisfied ± 7 = extremely satisfied
means                     ** = significantly different at p < 0.05
The results indicate that assignment of disposition responsibility has The challenge of
negligible impact on reverse logistics performance and satisfaction with the reverse logistics
service provided by manufacturers/vendors. Only one of the reverse logistics
performance measures, environmental regulatory compliance, was even
moderately significant ( p < 0.10). Furthermore, only one of the reverse logistics
satisfaction components had a significantly different mean across the two
groups ( p < 0.05). Firms with more internal responsibility for disposition were           35
significantly more satisfied with the timeliness of rework/repair. This result is
somewhat intuitive. If the returned product is handled internally, it may be
completed in less time than if the product is returned for rework to the vendor
or manufacturer. Thus, with the internal handling, the retailer is likely to
reclaim value faster.

Conclusions and future research
More and more companies are having to deal with reverse logistics. Even those
who have tried to ignore it in the past are working to develop standardized
reverse logistics processes. For example, in the early to mid-1990s, Hallmark
Cards representatives would collect and destroy out-of-season merchandise. No
value was reclaimed. Today, Hallmark uses a third-party firm to collect excess
seasonal inventory and repackage it for sale in secondary markets. Firms in the
greeting card and many other types of consumer goods industries are finding it
useful or even necessary to deal with returns in a more effective and efficient
manner.
   The current research sought to investigate reverse logistics program
success. The general performance and satisfaction levels reported by
respondents reflect the challenges and enormity of the reverse logistics task.
Although retailers appear to believe that they are performing reverse logistics
tasks fairly well ± they rate themselves moderately effective on key
performance measures ± they are considerably less satisfied with the reverse
logistics service provided by their trading partners. Several potential
explanations exist. It is possible that the surveyed retailers possess some
internal biases working against the manufacturer, i.e. they may be adopting an
egocentric or ``us versus them'' attitude related to service provided by their
trading partners. Another possible explanation may be related to perceived
service quality. There may be a ``gap'' between the expectations held by the
retailers in terms of service quality and the actual performances of their trading
partners. Furthermore, the complexity of reverse logistics programs,
particularly within the catalog industry, makes it difficult for partners to
understand exactly what the retailer wants in terms of service. In such cases,
improved communications within the dyadic relationship could minimize the
gap in service quality.
   In order to address these and other concerns related to the future of reverse
logistics, further research is necessary. The current research examined reverse
logistics programs only from the viewpoint of the catalog retailer. Different
perspectives related to reverse logistics performance and satisfaction might be
IJPDLM   discovered when measuring the attitudes of the reverse logistics trading
31,1     partner. Thus, to better understand the nature of gaps in service quality
         perceived and service quality provided, it would be useful to study both sides
         of the reverse logistics dyad using paired comparisons.
            Research should also focus on reverse logistics implementation within
         different industries. Catalog retailing is an especially challenging area for
36       reverse logistics implementation given the aforementioned complexity of its
         systems. Research should be conducted that examines systems being
         implemented in other industries as well to develop generalizable results. These
         studies could be performed within the contexts of other catalog and non-catalog
         industries, and could also be used to identify ``best practices'' or pockets of
         excellence which could be imitated by firms in early stages of program
         development. The research should also try to isolate learning curve effects, if
         any, via the use of longitudinal techniques.
            Finally, future reverse logistics research should be conducted to determine
         the impact of outsourcing on program performance and satisfaction. In the
         current research, there was virtually no outsourcing used. However, some
         catalog retailers and many other retailers extensively use third-party firms for
         fulfillment and/or returns handling.

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McKeefry, H.L. (1997), ```Reverse logistics' finding a ready market in high tech ± returned
      products yield savings for many OEMs'', Electronic Buyers' News, 17 March, p. 78.
Meyer, H. (1999), ``Many happy returns'', Journal of Business Strategy, Vol. 20 No. 4, pp. 27-31.
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Minahan, T. (1998), ``Manufacturers take aim at the end of the supply chain'', Purchasing, Vol. 124
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Rogers, D.S. and Tibben-Lembke, R.S. (1999), Going Backwards: Reverse Logistics Trends and
      Practices, Reverse Logistics Executive Council, Reno, NV.
South, S. (1998), ``Managing returned freight'', Inbound Logistics, Vol. 18 No. 12, p. 48.
Stock, J.R (1998), Development and Implementation of Reverse Logistics Programs, Council of
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Witt, C.E. (1995), ``What goes around just might come around'', Material Handling Engineering,
      Vol. 50 No. 7, p. 22.
Wu, H. and Dunn, S.C. (1995), ``Environmentally responsible logistics systems'', International
      Journal of Physical Distribution & Logistics Management, Vol. 25 No. 2, pp. 20-39.

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Ref paper for rl 2

  • 1. The research register for this journal is available at The current issue and full text archive of this journal is available at http://www.mcbup.com/research_registers http://www.emerald-library.com/ft IJPDLM 31,1 The challenge of reverse logistics in catalog retailing Chad W. Autry, Patricia J. Daugherty and R. Glenn Richey 26 Division of Marketing, The University of Oklahoma, Norman, Oklahoma, USA Received April 2000 Revised June 2000, Keywords Reverse logistics, Catalogue retailing, Customer service, Channel management September 2000 Abstract Many firms are placing greater emphasis on managing returned product. Reverse logistics programs are being used to recover assets that would otherwise be lost. Research results are presented covering reverse logistics programs in the electronics industry, specifically among firms selling through catalogs. The paper looks at how reverse logistics performance and satisfaction with reverse logistics service are influenced by industry, firm size/sales volume, and internal or external assignment of responsibility for disposition. The results are mixed. Performance is significantly impacted by sales volume, while industry effects significantly impact satisfaction. Neither performance nor satisfaction was significantly influenced by location of responsibility for disposition. All sales are not final. Firms are finding that they must cope with an escalating volume of returned/unsold/damaged product. The tremendous growth in returns has stimulated new interest in reverse logistics as firms attempt to meet the challenge. As Witt (1995) notes, ``It's one thing to say you'll take the merchandise back; something else when you're the person in the distribution center who has to figure out how to get it back and what to do with it when it arrives'' (p. 22). Two recent books, Development and Implementation of Reverse Logistics Programs by Stock (1998) and Going Backwards: Reverse Logistics Trends and Practices co-authored by Rogers and Tibben-Lembke (1999), provide comprehensive coverage of reverse logistics practices. The current research was undertaken to gain greater insights by examining one industry, i.e. electronics retail firms selling through catalogs. The electronics industry can be further broken down into several segments ± computer/office equipment, household appliances, household audio/video, and communications equipment. The intent was to allow assessment of current practices and to identify variations in performance based on firm characteristics or operations. Following a brief review of relevant literature, results of the research are provided detailing a profile of reverse logistics program performance and satisfaction among the electronics retailing firms. Reverse logistics Reverse logistics has important environmental dimensions, i.e. green logistics (Byrne and Deeb, 1993; Carter and Ellram, 1998; Wu and Dunn, 1995), as well as dimensions relating to value reclamation. The latter is of the most interest in the current research. The research focuses on companies' efforts to reclaim value through the returns process. This may be prompted by a wide range of International Journal of Physical Distribution & Logistics reasons including the reclamation of unsold, damaged, or mis-shipped product. Management, Vol. 31 No. 1, 2001, pp. 26-37. # MCB University Effective reverse logistics is believed to result in direct benefits, including Press, 0960-0035 improved customer satisfaction, decreased resource investment levels, and
  • 2. reductions in storage and distribution costs (Guintini and Andel, 1995a; Andel, The challenge of 1997). Reverse logistics can significantly impact a company's bottom line by reverse logistics recapturing value (Andel, 1997; Clendenin, 1997; South, 1998). In fact, if a firm does reverse logistics well, it will make money (Stock 1998). Recovery of products for remanufacturing, repair, reconfiguration, and recycling can create profitable business opportunities (Giuntini and Andel, 1995b). Companies that are able to take advantage of economies of scale may do especially well. 27 Reverse logistics also influences customer service/satisfaction. For example, the ability to quickly and efficiently handle the return of product for necessary repair can be critical (Blumberg, 1999). In spite of the fact that reverse logistics can so dramatically influence firm finances and customer relations, too often it is overlooked and the strategic value ignored. Rogers and Tibben-Lembke (1999) found that four in ten logistics managers consider reverse logistics unimportant compared to other company issues. It is estimated that some industries have return rates in the range of 30 per cent to 50 per cent (Meyer, 1999); other estimates are as high as 60 per cent (Jedd, 1999). Considering this, the perspective that reverse logistics is unimportant is dangerous and likely to negatively impact firm performance. Reverse logistics is not optional and it is not unimportant. Liberal return policies are standard marketing practice at many firms. Customers are often allowed to return products for any reason, no questions asked. This, coupled with the need to accommodate damaged or defective merchandise, product recalls, maintenance and repairs, and recycling, means logistics professionals must place a higher priority on effectively managing returns. According to Minahan (1998), efficient management of returns can reduce companies' annual logistics costs by as much as 10 per cent. About 20 per cent of potential cost savings from improved reverse logistics typically come from labor savings; the other 80 per cent relates to savings in freight costs and reductions in pipeline inventory (McKeefry, 1997). Research questions Three research questions were addressed. Q1 ± Are there differences in reverse logistics program performance or satisfaction by industry? In spite of the fact that the importance of developing reverse logistics capabilities is widely talked about, little empirical research is available detailing historical accounts or profiling program performance. Reverse logistics is highly industry-specific. Industry segments react differently with respect to the strategic allocation of resources and reverse logistics program development due to the special challenges and differences in operating characteristics across or between industry segments (Marien, 1998). Reverse logistics is often ``tailored'' to fit industry/customer requirements (Blumberg, 1999). Such differences in reverse logistics programs can be explained by the tenets of contingency theory. Contingency theory states that different
  • 3. IJPDLM environments place differing requirements on organizations (Lawrence and 31,1 Lorsch, 1967). This was tested in the current research by examining whether differences could be identified based on industry affiliation of the respondents and whether different programs are likely to provide differential value to customers. Langley and Holcomb (1992) have proposed that logistics program value can 28 be measured along three dimensions: effectiveness, efficiency, and differentiation. Effectiveness refers to the level of performance provided by the program, efficiency refers to resource commitments or cost controls, and differentiation refers to program uniqueness. Thus, according to Langley and Holcomb (1992), effectiveness is synonymous with performance, and efficiency leads to satisfaction with the programs. The first research question addresses these issues within a reverse logistics context. Q2 ± Are there differences in reverse logistics program performance or satisfaction by firm size, i.e. sales volume? The implementation of internal reverse logistics programs often involves significant allocations of capital and/or resources for the construction of reclamation and redistribution facilities, purchasing of recycling equipment, re-training of employees, etc. In order to justify expenditures on in-house programs, sufficient volumes of reverse logistics activities are required (Stock, 1998). In general, the viability of investment in reverse logistics programs can be linked to the volume of business being handled by the organizational unit. Volume has been presented as a key driver of reverse logistics strategies, and distinctive characteristics have been identified between organizations based on their levels of reverse logistics activity (Johnson and Leenders, 1997). Specifically, as organizations experience higher volumes of returned product, they tend to develop expertise or experience that allows them to operate reverse logistics programs more efficiently and effectively (Johnson, 1998). These issues are examined by the second research question. Q3 ± Are there differences in reverse logistics program performance or satisfaction by internal vs. external assignment of responsibility? Reverse logistics responsibility can be retained within the firm (catalog retailers within the current context) or transferred/assigned to trading partners (manufacturers or their intermediaries). Additionally, reverse logistics is frequently considered a prime candidate for outsourcing, i.e. use of a third- party firm. Handling reverse logistics internally, a do-it-yourself approach, allows the firm to keep control over the process. Internal managers are expected to be familiar with the process, the products, and potential outlets for disposal or sale of products (Johnson, 1998). Of course, the do-it-yourself internal approach requires the commitment of considerable firm resources (time and financial) and assumes internal capabilities and expertise which may or may not be present. Alternatively, in some instances, firms elect to hand off reverse
  • 4. logistics to the trading partner. In such instances, it is assumed that the trading The challenge of partner (i.e. manufacturer in the current context) will be better suited to reverse logistics handling returns due to prior experience and/or handling of greater volumes thus allowing economies that the retailer could not achieve. However, external handling of reverse logistics is not without drawbacks either. When reverse logistics is handled externally, close coordination between the parties is required to ensure maximum efficiency (Blumberg, 1999). The third research 29 question explores the relationship between internal or external handling of reverse logistics and program performance/satisfaction. Methodology Based on a review of the literature and interviews with logistics professionals, a survey of reverse logistics practices was developed. The survey was pretested with other logistics professionals and modified with respect to their input. A commercial mailing list of 212 CEOs at US catalog companies selling electronic goods was purchased. Questionnaires were mailed to this group and reminder cards sent after two weeks. A total of 81 surveys were returned, of which ten had excessive missing values, yielding 71 usable surveys (33.5 per cent). The respondent base represents a variety of electronics industry segments, including computers, office equipment, household applicances, household audio, household video, and communications equipment. The average annual sales volume and average number of employees for respondent firms were $32.5 million and 160, respectively. An analysis of non-response bias was performed by comparing early and late responses, per guidelines established by Armstrong and Overton (1977). Responses from the last quartile of respondents (assumed to be most similar to those of non-respondents) were compared to responses provided by the first three quartiles of respondents. Comparisons of means on survey items across groups ( p < 0.05) revealed no significant differences for relevant variables. Thus, non-response bias is not considered to be a problem. Results and discussion The research results indicate respondents' satisfaction levels and performance of their firms' reverse logistics programs. Respondents were provided with a list of reverse logistics-related performance measures and asked to indicate how effective their firms have been in achieving each of them. The specific items were developed, based on a review of the literature and refined following input from pretesting. A total of six items were included. The items were measured on a seven-point Likert-type scale with 1 = not at all effective and 7 = extremely effective. The means and standard deviations for the performance items are presented in Table I. As indicated in Table I, reverse logistics programs have been effective in achieving two of the more externally-driven program-related goals. The respondents reported that their firms have been successful in terms of environmental regulatory compliance (5.69) and in achieving improved customer
  • 5. IJPDLM relations (5.66) via reverse logistics programs. However, the respondents indicated 31,1 less effectiveness in achieving the more internally-focused program goals. They have only been moderately successful at recovery of assets (5.00), cost containment (4.96), improved profitability (4.72), and reduced inventory investment (4.70). Respondents were also questioned about their levels of satisfaction relating to the reverse logistics programs provided by their trading partners. A series of eight 30 reverse logistics related service components was provided and respondents were asked to indicate how satisfied they were with their trading partners relative to those areas. The list of satisfaction measures was developed following a literature search and subsequent pretesting with logistics professionals. The items were measured on a seven-point scale with 1 = not at all satisfied and 7 = extremely satisfied. Satisfaction item means and standard deviations are included in Table II. In general, firms are only somewhat satisfied with the reverse logistics service being provided by their trading partners. Respondents indicated moderate levels of satisfaction with their partners in the areas of quality of rework/repair (4.95), compliance with the buying agreement (4.88), levels of returns allowed (4.77), and ease of obtaining return authorization (4.71). Even lower satisfaction was reported for timeliness of rework/repair (4.44), length of time for credit processing (4.39), and reconciliation of chargebacks (4.37). Finally, respondent firms are least satisfied with their trading partners' ability to use the Internet to process returns (3.76). Standard Performance measure Mean deviation Environmental regulatory compliance 5.69 1.60 Improved customer relations 5.66 1.34 Recovery of assets (products) 5.00 1.71 Cost containment 4.96 1.48 Table I. Improved profitability 4.72 1.59 Effectiveness in Reduced inventory investment 4.70 1.79 achieving reverse logistics goals Notes: Seven-point scale: 1 = not at all effective ± 7 = extremely effective Standard Satisfaction measure Mean deviation Quality of rework/repair 4.95 1.36 Vendor's overall compliance with buying agreement 4.88 1.41 Level of returns allowed (use of cap programs) 4.77 1.65 Ease of obtaining return authorization 4.71 1.53 Timeliness of rework/repair 4.44 1.51 Length of time for credit processing 4.39 1.54 Handling reconciliation of charge backs 4.37 1.54 Table II. Use of Internet in processing returns 3.76 1.99 Satisfaction with reverse logistics service Notes: Seven-point scale: 1 = not at all satisfied ± 7 = extremely satisfied
  • 6. Industry effects on performance and satisfaction The challenge of The literature suggests that reverse logistics performance and satisfaction with reverse logistics reverse logistics service will vary by industry. The respondents were asked to indicate their primary industry from a listing including the computer/office equipment industry, the household appliance industry, the household audio/ video industry, or the communications equipment industry. If none of the categories accurately characterized their business, the respondents were asked 31 to write in alternate responses. Based on the responses, the sample was divided into two groups. Firms that are participating in the computer/office equipment industry or the communications equipment industry were placed in one group, while firms specializing in household audio/video or appliances were placed into another. Write-in responses were evaluated by the authors and placed into the appropriate grouping. Results of t-tests performed to examine differences in means by industry group on the reverse logistics performance measures are presented in Table III. T-tests were also performed to examine differences in means for satisfaction with the reverse logistics service. These results are presented in Table IV. The results suggest no significant industry effect relative to reverse logistics performance. None of the six performance measures were found to be significantly different across the two groups. However, the results do indicate that industry has significant implications for level of satisfaction with reverse logistics service. The household goods industries had significantly higher levels of satisfaction ( p < 0.05) on four of the reverse logistics service components. Satisfaction was significantly higher for levels of returns allowed, ease of obtaining return authorization, length of time for credit processing, and handling reconciliation of chargebacks. The results also indicated moderate differences ( p < 0.10) for two other components, quality and timeliness of rework/repair. In only two instances, use of the Internet in processing returns and vendor compliance with the buying agreement, were no significant differences found between industry groups. Thus, it appears as though respondents in the household goods industries are more satisfied overall with their reverse logistics service. Though the research did not attempt to discover reasons t-tests for differences in means Computer/office/ communications Household goods Performance measure industries industries Environmental regulatory compliance 5.56 5.87 Improved customer relations 5.58 5.81 Recovery of assests (products) 4.86 5.30 Cost containment 4.90 5.08 Table III. Improved profitability 4.68 4.87 Reverse logistics Reduced inventory investment 4.51 5.15 effectiveness by industry: t-test for Notes: Seven-point scale: 1 = not at all effective ± 7 = extremely effective differences in means
  • 7. IJPDLM t-tests for differences in means 31,1 Computer/office/ communications Household goods Satisfaction measure industries industries Quality of rework/repair 4.71 5.31*** Vendor's overall compliance with buying agreement 4.75 5.09 32 Level of returns allowed (use of cap programs) 4.36 5.42** Ease of obtaining return authorization 4.34 5.30** Timeliness of rework/repair 4.17 4.88*** Length of time for credit processing 4.00 4.96** Handling reconciliation of charge backs 4.02 4.95** Table IV. Use of Internet in processing returns 3.59 4.16 Satisfaction with reverse logistics service Notes: Seven-point scale: 1 = not at all satisfied ± 7 = extremely satisfied by industry: t-test for ** = Significantly different at p < 0.05 differences in means *** = Significantly different at p < 0.10 for differences in satisfaction by industry, it is possible that the computer, office, and communications industries might be evaluated more strictly with respect to the satisfaction components, i.e. their target customers may hold them to higher standards because they perceive business-related products to be more critical than household goods. Sales volume effects on performance and satisfaction In order to examine associations between sales volume and reverse logistics performance and satisfaction, respondents were asked to estimate their firms' sales volume during the most recent fiscal year. The sample was divided into two groups (at the fiftieth percentile) based on sales dollars. Thus, firms that sold in excess of $32 million were designated as high volume firms, and those selling at that volume or below that amount were designated as low volume firms. T-tests were utilized to identify differences in performance and satisfaction with reverse logistics service based on sales volume. The results are presented in Tables V and VI. t-tests for differences in means Performance measure High volume Low volume Environmental regulatory compliance 5.34 6.20*** Improved customer relations 5.26 6.09** Recovery of assets (products) 4.73 5.44*** Cost containment 4.45 5.50** Improved profitability 4.45 5.07 Table V. Reduced inventory investment 4.29 5.34** Reverse logistics effectiveness by sales Notes: Seven-point scale: 1 = not at all effective ± 7 = extremely effective volume: t-tests for ** = Significantly different at p < 0.05 differences in means *** = Significantly different at p < 0.10
  • 8. The results presented in Table V suggest that sales volume plays an important The challenge of role in determining firm reverse logistics performance. Highly significant reverse logistics differences ( p < 0.05) between groups were discovered for three of the six performance measures, while two others were found to be different at a more moderate significance level ( p < 0.10). Low volume firms were found to be significantly more effective at improving customer relations, containing costs, and reducing inventory investment than were high volume firms. Furthermore, 33 low volume firms were also moderately more effective at recovery of assets and environmental regulatory compliance. For only one performance item, improved profitability, was no significant difference found between the two sales volume groups. These results indicate that smaller volume firms are doing a better job with respect to reverse logistics effectiveness. This is an interesting finding, as it might be expected that larger volume firms would enjoy performance advantages due to economies of scale. However, although the electronics catalog retailers are selling large volumes of goods, these volumes are being achieved via a large number of small transactions. Many small return shipments would not allow the firms to achieve economies and performance may actually be impacted negatively. Also, with many small shipments (returns of one item, for example) there are more opportunities for things to go wrong, e.g. slow returns. Thus, smaller volume firms would have fewer opportunities for mistakes and/or problems. Although Table V presents a case for sales volume impacting reverse logistics performance, Table VI indicates that sales volume is not significantly associated with the firm's satisfaction with its manufacturers/vendors relative to their reverse logistics service. No significant differences were found between the sales volume groups on the service component measures. It seems likely that firms of both the high and low sales volume groups face many of the same service-related problems. Further research will have to be undertaken to better understand how economies of scale and economies of scope affect levels of satisfaction associated with reverse logistics service. t-tests for differences in means Satisfaction measure High volume Low volume Quality of rework/repair 4.79 5.22 Vendor's overall compliance with buying agreement 4.73 5.03 Level of returns allowed (use of cap programs) 4.76 4.78 Ease of obtaining return authorization 4.44 5.00 Timeliness of rework/repair 4.60 4.21 Length of time for credit processing 4.37 4.40 Table VI. Handling reconciliation of charge backs 4.34 4.42 Satisfaction with Use of Internet in processing returns 4.04 3.44 reverse logistics service by sales volume: t-tests Notes: Seven-point scale: 1 = not at all satisfied ± 7 = extremely satisfied for differences in means
  • 9. IJPDLM Sales disposition responsibility effects on performance and satisfaction 31,1 To examine the possibility that reverse logistics performance and satisfaction with reverse logistics service might vary according to the internal/external assignment of reverse logistics responsibility, respondents were asked to indicate what happens to products that are returned by their customers. Specifically, the respondents were asked to estimate the percentage of their 34 returns handled through given disposition options. Based on the responses, the sample was divided into two groups based on the assignment of responsibility for disposition of returned product. Firms that elect to handle the majority of their disposition activities internally (via donation, destruction, recycling, refurbishment, repackaging and/or reselling) were placed in one group, while firms that forward the majority of their returns to the manufacturer or supplier for handling were placed into another. Results of t-tests performed to examine differences in reverse logistics performance and satisfaction by internal vs. external disposition are presented in Table VII and Table VIII, respectively. t-tests for differences in means More internal More external Performance measure disposition disposition Environmental regulatory compliance 6.20 5.35** Improved customer relations 5.58 5.75 Recovery of assets (products) 5.11 5.00 Cost containment 4.84 5.03 Table VII. Improved profitability 4.73 4.75 Reverse logistics Reduced inventory investment 4.67 4.81 effectiveness by disposition: t-tests for Notes: Seven-point scale: 1 = not at all effective ± 7 = extremely effective differences in means ** = Significantly different at p < 0.10 t-tests for differences in means More internal More external Satisfaction measure disposition disposition Quality of rework/repair 5.12 4.86 Vendor's overall compliance with buying agreement 4.96 4.87 Level of returns allowed (use of cap programs) 4.96 4.70 Ease of obtaining return authorization 4.91 4.58 Timeliness of rework/repair 4.92 4.05** Table VIII. Length of time for credit processing 4.66 4.20 Satisfaction with Handling reconciliation of charge backs 4.66 4.19 reverse logistics service Use of Internet in processing returns 3.95 3.68 by disposition: t-test for differences in Notes: Seven-point scale: 1 = not at all satisfied ± 7 = extremely satisfied means ** = significantly different at p < 0.05
  • 10. The results indicate that assignment of disposition responsibility has The challenge of negligible impact on reverse logistics performance and satisfaction with the reverse logistics service provided by manufacturers/vendors. Only one of the reverse logistics performance measures, environmental regulatory compliance, was even moderately significant ( p < 0.10). Furthermore, only one of the reverse logistics satisfaction components had a significantly different mean across the two groups ( p < 0.05). Firms with more internal responsibility for disposition were 35 significantly more satisfied with the timeliness of rework/repair. This result is somewhat intuitive. If the returned product is handled internally, it may be completed in less time than if the product is returned for rework to the vendor or manufacturer. Thus, with the internal handling, the retailer is likely to reclaim value faster. Conclusions and future research More and more companies are having to deal with reverse logistics. Even those who have tried to ignore it in the past are working to develop standardized reverse logistics processes. For example, in the early to mid-1990s, Hallmark Cards representatives would collect and destroy out-of-season merchandise. No value was reclaimed. Today, Hallmark uses a third-party firm to collect excess seasonal inventory and repackage it for sale in secondary markets. Firms in the greeting card and many other types of consumer goods industries are finding it useful or even necessary to deal with returns in a more effective and efficient manner. The current research sought to investigate reverse logistics program success. The general performance and satisfaction levels reported by respondents reflect the challenges and enormity of the reverse logistics task. Although retailers appear to believe that they are performing reverse logistics tasks fairly well ± they rate themselves moderately effective on key performance measures ± they are considerably less satisfied with the reverse logistics service provided by their trading partners. Several potential explanations exist. It is possible that the surveyed retailers possess some internal biases working against the manufacturer, i.e. they may be adopting an egocentric or ``us versus them'' attitude related to service provided by their trading partners. Another possible explanation may be related to perceived service quality. There may be a ``gap'' between the expectations held by the retailers in terms of service quality and the actual performances of their trading partners. Furthermore, the complexity of reverse logistics programs, particularly within the catalog industry, makes it difficult for partners to understand exactly what the retailer wants in terms of service. In such cases, improved communications within the dyadic relationship could minimize the gap in service quality. In order to address these and other concerns related to the future of reverse logistics, further research is necessary. The current research examined reverse logistics programs only from the viewpoint of the catalog retailer. Different perspectives related to reverse logistics performance and satisfaction might be
  • 11. IJPDLM discovered when measuring the attitudes of the reverse logistics trading 31,1 partner. Thus, to better understand the nature of gaps in service quality perceived and service quality provided, it would be useful to study both sides of the reverse logistics dyad using paired comparisons. Research should also focus on reverse logistics implementation within different industries. Catalog retailing is an especially challenging area for 36 reverse logistics implementation given the aforementioned complexity of its systems. Research should be conducted that examines systems being implemented in other industries as well to develop generalizable results. These studies could be performed within the contexts of other catalog and non-catalog industries, and could also be used to identify ``best practices'' or pockets of excellence which could be imitated by firms in early stages of program development. The research should also try to isolate learning curve effects, if any, via the use of longitudinal techniques. Finally, future reverse logistics research should be conducted to determine the impact of outsourcing on program performance and satisfaction. In the current research, there was virtually no outsourcing used. However, some catalog retailers and many other retailers extensively use third-party firms for fulfillment and/or returns handling. References Andel, T. (1997), ``Reverse logistics: a second chance to profit: whether through refurbishment or recycling, companies are finding profit in returned products'', Transportation & Distribution, Vol. 38 No. 7, pp. 61-4. Armstrong, J.S. and Overton, T.S. (1977), ``Estimating non-response bias in mail surveys'', Journal of Marketing Research, Vol. 14 No. 3, pp. 396-402. Blumberg, D.F. (1999), ``Strategic examination of reverse logistics and repair service requirements, needs, market size, and opportunities'', Journal of Business Logistics, Vol. 20 No. 2, pp. 141-59. Byrne, P.M. and Deeb, A. (1993), ``Logistics must meet the `green' challenge'', Transportation & Distribution, Vol. 34 No. 2, pp. 33-7. Carter, C.R. and Ellram, L.M. (1998), ``Reverse logistics: a review of the literature and framework for future investigation'', Journal of Business Logistics, Vol. 19 No. 1, pp. 85-102. Clendenin, J.A. (1997), ``Closing the supply chain loop: reengineering the returns channel process'', International Journal of Logistics Management, Vol. 8 No. 1, pp. 75-85. Giuntini, R. and Andel, T. (1995a), ``Reverse logistics role models Part 3'', Transportation & Distribution, Vol. 36 No. 4, pp. 97-8. Guintini, R. and Andel, T. (1995b), ``Advance with reverse logistics'', Transportation & Distribution, Vol. 36 No. 2, pp. 73-4, 77. Jedd, M. (1999), ``Going forward with reverse logistics'', Inbound Logistics, Vol. 19 No. 8, pp. 46-52. Johnson, P.F. (1998), ``Managing value in reverse logistics systems'', Transportation Research Part E (Logistics and Transportation Review), Vol. 34 No. 3, pp. 217-27. Johnson, P.F. and Leenders, M.R. (1997), ``Make-or-buy alternatives in plant disposition strategies'', International Journal of Purchasing and Materials Management, Vol. 33 No. 2, pp. 20-6. Langley, C.J. and Holcomb, M.C. (1992), ``Creating customer logistics value'', Journal of Business Logistics, Vol. 13 No. 2, pp. 1-27.
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