This document analyzes research on service innovation (SI) from 2001-2011. It examines growth, productivity, impact, and cross-country comparisons based on bibliometric analysis of over 7,600 publications. Key indexes are calculated, including the activity index (AI), attractive index (AAI), and publication efficiency index (PEI) to measure performance. The productive institution index (PII), productive author index (PAI), and productive journal index (PJI) identify highly influential institutions, authors, and journals in SI research. The analysis finds the US is the leading country in publications and impact, while countries like the US, UK, Germany, Netherlands, Canada, and Australia show above average research efforts and impact.

1. Md. Abul Kalam Siddike & Youji Kohda
School of Knowledge Science
Japan Advanced Institute of Science and Technology, Japan
siddike@jaist.ac.jp; kohda@jaist.ac.jp
1

2.  Overview
 Objectives
 Methodology
 Overall growth of Service innovation (SI) research
 Cross-country comparisons (publications; citations)
 Activity index (AI)
 Attractive index (AAI)
 Publication efficiency index (PEI)
 Productive institution index (PII)
 Productive author index (PAI)
 Productive journal index (PJI)
 Summaries, limitations, future research
Agenda
2

3.  SSME is widely recognized as a key driver for the economic growth.
 The study aims to examine the growth and development of research
and productivity in service innovation (SI) bibliometrically.
Overview
3

4.  To identify the growth and make cross-country comparison of SI
research.
 To measure the performance of SI research and development.
 To calculate the impact of publications in SI research.
Objectives
4

5.  Inputs
 Search conducted in Web of Science database on November 05, 2012.
 2001-2011 used as time period.
 “Service innovation” used as a keyword.
 7,600 records retrieved.
 4,565 journal papers selected for analysis.
 Top 10 countries were sample for analysis.
 Outputs
 Activity index (AI); Attractive index (AAI); Publication efficiency index
(PEI).
 Productive institution index (PII); Productive author index (PAI);
Productive journal index (PJI).
Methodology
5

6. SI research is growing rapidly
4,565 journal
papers published
during 2001-2011
30,626 citations
received by 4,565
papers
6

7. Cross-country comparison (Publications)
USA shares one third
of world’s total in SI
research
In Europe, England
has the biggest share
In Asia, Taiwan has
the biggest share
7

8. Cross-country comparison (Citations)
USA has a
predominant
impact of SI field
In Europe,
England is the
top for sharing
of SI citations
In Asia, Taiwan
received the
lowest citations
in the world 8

9. 9
 Use three indexes
 Activity index (AI)
 Attractive index (AAI)
 Publication efficiency index (PEI)
 Develop three indexes
 Productive institution index (PII)
 Productive author index (PAI)
 Productive journal index (PJI)
Indexes for measuring performance,
impact, quality of SI research
Measure performance,
impact and quality of
SI research
Identify productive
institutions, authors,
and journals

10.  It is used to characterize the relative research effort of a country.
 AI =1 means the country’s research effort to the world average.
 AI >1 indicates that the country publishes more than world
average.
 AI <1 shows that the country’s research effort less than the world
average.
Activity index (AI)
10

11. Result of AI
Devoted more
efforts over the
world average
Only USA
maintains a stable
research effort.
Year USA England Germany
Netherl
ands
Spain Canada Aus. Italy Taiwan France
2001 1.35 1.17 0.77 0.71 0.22 0.90 0.53 0.64 0.17 1.40
2002 1.34 0.69 1.17 0.76 0.52 1.15 0.98 1.05 0.36 1.47
2003 1.31 0.90 0.82 1.01 0.59 0.77 1.21 0.86 0.13 0.40
2004 0.93 1.53 0.49 1.21 0.09 0.76 0.78 1.64 0.29 1.19
2005 0.97 1.28 1.04 0.79 0.92 1.21 1.10 0.48 0.93 1.26
2006 1.05 1.12 1.50 1.12 0.24 0.74 0.51 0.71 0.67 0.87
2007 0.98 1.23 0.82 0.95 1.24 1.05 0.99 0.68 0.72 0.66
2008 1.02 0.97 0.89 1.47 1.12 1.10 0.94 1.20 0.88 0.89
2009 1.01 0.80 1.05 0.97 1.12 0.97 1.22 1.04 0.85 0.98
2010 0.90 0.90 0.84 0.90 1.49 1.05 0.91 0.95 1.84 1.04
2011 1.44 1.57 2.13 1.81 2.17 1.75 2.10 2.20 2.63 1.86
Mean 1.12 1.11 1.05 1.06 0.88 1.04 1.03 1.04 0.86 1.09
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12.  Impact (citation) of publications is more important than publications.
 It characterizes a country’s publications reflected by the citations.
 AAI =1 means the country’s citation impact to the world average.
 AAI >1 indicates that the country’s citation impact more than
world average.
 AAI <1 shows that the country’s citation impact less than the
world average.
Attractive index (AAI)
12

13. Result of AAI
In general, USA,
Germany, Canada
and Australia have
more citation impact
than the world
average.
Year USA England Germany
Netherl
ands
Spain Canada Aus. Italy Taiwan France
2001 0.99 0.40 1.66 0.0 0.00 3.37 3.62 0.00 0.00 0.94
2002 1.29 0.67 1.28 0.82 0.22 0.35 1.12 0.86 0.30 0.83
2003 1.24 0.84 0.79 0.63 0.00 0.73 0.98 1.36 0.00 1.26
2004 1.29 0.55 0.88 0.45 0.46 1.29 0.57 0.81 0.00 1.24
2005 1.15 0.87 0.74 0.94 0.62 0.96 1.03 0.97 0.34 0.88
2006 1.15 0.83 0.75 0.91 0.48 0.95 1.16 0.85 0.40 0.83
2007 1.13 0.91 0.71 0.73 0.51 1.02 1.07 0.79 0.49 1.09
2008 1.04 1.04 0.92 0.93 0.73 0.84 0.89 1.06 0.72 0.68
2009 0.98 1.06 1.05 1.01 0.81 0.95 0.88 0.89 0.86 0.99
2010 0.94 1.04 1.11 1.02 0.88 1.01 1.10 1.03 1.19 1.03
2011 0.88 1.04 1.10 1.20 1.74 1.06 0.98 1.10 1.59 1.10
Mean 1.10 0.84 1.00 0.79 0.59 1.14 1.22 0.97 0.53 0.99
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14.  PEI is used to measure the research quality.
 It indicates whether the impact of publications in a country in a
research field is compatible with the research efforts.
 PEI =1 means the impact of publications to the world average.
 PEI >1 indicates that the impact of publication is more than world
average.
 PEI <1 shows that the impact of publication is less than world
average.
Publication efficiency index (PEI)
14

15. Result of PEI
All countries display
irregularly fluctuant
trends
Year USA England Germany
Netherl
ands
Spain Canada Aus. Italy Taiwan France
2001 0.21 0.16 0.21 0.19 0.00 0.25 0.38 0.42 0.00 0.18
2002 0.54 0.30 0.27 0.22 0.27 0.40 0.20 0.26 0.00 0.30
2003 0.45 0.49 0.43 0.36 0.40 0.60 0.39 0.41 0.81 1.03
2004 1.13 0.48 1.26 0.64 3.56 1.04 1.21 0.41 0.75 0.57
2005 1.07 0.63 0.57 0.81 0.38 0.71 0.81 1.33 0.29 0.72
2006 1.17 0.94 0.66 0.91 2.62 1.22 1.86 1.54 0.76 0.83
2007 1.36 1.14 1.59 1.35 0.66 1.12 1.09 1.55 0.96 1.85
2008 1.16 1.31 1.43 0.97 0.74 1.05 1.32 0.94 1.01 1.30
2009 1.31 1.91 1.43 1.74 1.74 1.50 1.08 1.38 2.67 1.52
Mean 0.93 0.82 0.87 0.80 1.15 0.88 0.93 0.92 0.80 0.92
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16. 16
 PII indicates the impact of institutions in SI research field.
 PII =1 means the impact of institution is average to the research
effort.
 PII >1 indicates that the impact of institution is more than the
research effort.
 PII <1 shows that the impact of institution is less than the research
effort.
Productive institution Index (PII)

17. Result of PII
SN Name of the institutions PB CI SC WSC PII
1
The University of Manchester,
England
56 751 166 585 1.05
2 Harvard University, USA 54 866 6 860 1.59
3
University of California, Berkeley,
USA
50 475 2 473 0.95
4 University of Toronto, Canada 40 237 3 234 0.58
5 Erasmus University, Netherlands 37 289 14 275 0.74
6
University of California, Los
Angeles, USA
36 451 11 440 1.22
7
University of North Carolina,
USA
36 263 0 263 0.73
8 University of Washington, USA 35 366 0 366 1.05
9
Delft University of Technology,
Netherlands
32 153 2 151 0.47
10 University of Illinois, USA 32 427 0 427 1.34
Note: PB-Publications; CI-Citations; SC-Self Citations; WSC-Without Self Citations; PAI-Productive
Authors Index
The University of
Manchester gains
more publications
The impact of
publications of
Harvard
University is the
most followed by
University of
Illinois, University
of California
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18. 18
Productive author index (PAI)
 PAI indicates the impact of authors in SI research field.
 PAI =1 means the impact of author is average to the research effort.
 PAI >1 indicates that the impact of author is more than the
research effort.
 PAI <1 shows that the impact of author is less than the research
effort.

19. Result of PAI
SN Authors Affiliation (Institution) PB CI SC WSC PAI
1 Walker, RM
University of Hong Kong,
Hong Kong, Peoples R of
China
12 222 28 194 1.72
2 Kodama, M
Nihon University, Tokyo,
Japan
11 52 6 46 0.44
3 Lee, J
University of Cincinnati,
USA
11 43 1 42 0.4
4 Miozzo, M
University of Manchester,
England
9 111 11 100 1.18
5 Aarons. GA
University of California,
San Diego, USA
9 200 20 180 2.13
6 Gallouj, F.
Universite de Lille 1,
France
9 59 13 46 0.54
7 Knudsen, HK
University of Kentucky,
USA
9 96 6 90 1.06
8 Grimshaw, D
University of Manchester,
England
8 52 3 49 0.65
9 Hartley, J
Queensland University of
Technology, Australia
8 84 6 78 1.04
10 Has-Verdu, F
Polytechnic University of
Valencia, Spain
8 66 7 59 0.78
PB-Publications; CI-Citations; SC-Self Citations; WSC-Without Self Citations; PAI-Productive Authors Index
Walker, RM is
the most prolific
author
Aarons, GA is
the most
productive
authors followed
by Walker, RM;
Miozzo,M;
Knudsen, HK
19

20. 20
 PJI indicates the impact of journals in SI research field.
 PJI =1 means the impact of journal is average to the research effort.
 PJI >1 indicates that the impact of journal is more than the research
effort.
 PJI <1 shows that the impact of journal is less than the research
effort.
Productive journal index (PJI)

21. Result of PJI
SN Name of the Journals PB CI SC WSC PJI
1 Service Industries Journal 87 474 54 420 0.61
2 Research Policy 67 1610 52 1558 2.93
3 Technovation 64 656 18 638 1.26
4
International Journal of
Technology Management
55 108 1 107 0.24
5
Journal of Product Innovation
Management
50 596 22 574 1.45
6 Health Affairs 48 241 6 235 0.62
7
Information and Communication
Technologies and the Knowledge
Economy
35 11 0 11 0.04
8 Telecommunications Policy 33 129 7 122 0.46
9
Technological Forecasting and
Social Change
31 292 7 285 1.16
10
African Journal of Business
Management
30 24 6 18 0.075
PB-Publications; CI-Citations; SC-Self Citations; WSC-Without Self Citations; PAI-Productive Authors Index
Research Policy is
the most Productive
journals in SI
research followed by
Journal of Product
Innovation
Management;
Technovation
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22.  USA is the leading country in terms of both world publication and
impact share.
 USA, England, Germany, Netherlands, Canada, Australia, Italy, and
France denoted more efforts than the world average in SI research.
 The impact of publications of USA, Netherlands, Canada and
Australia is higher than the world average.
Summaries
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23.  Rerecords from Web of Science database.
 Selection of keyword.
 This study considered only top 10 countries in the world.
Limitations
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24.  Future research can carry out to compare results obtained from
different databases.
 Future work can be carried out on how many disciplines and which
disciplines contribute to the new discipline (service innovation) and
this will be real power of bibliometric study.
Future research
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25. Questions or comments, Please
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