Levine-Clark, Michael, “Reinventing the Library Collection through Demand-Driven Acquisition,” Power to the Patron: From Systems to Services, A Library Journal Virtual Technology Summit, December 8, 2011.

1. Reinventing the Library
Collection through
Demand-Driven Acquisition
Michael Levine-Clark
Collections Librarian
University of Denver
December 8, 2011

2. Definitions
 Patron-Driven Acquisition (PDA)
 Faculty Requests/Input
 Use Data
 Demand-Driven Acquisition (DDA)
 Meets immediate need

3. Why DDA?

4. Annual Book Production, 2009
1200000
1000000
800000
600000
400000
200000
0
DU Purchases North All United World
American States (UNESCO)
Scholarly
(YBP)

5. Books Cataloged 2000-2004
(126,953 Titles)
4+
uses, 18.8%
0
uses, 39.6%
3 uses, 8.2%
2
uses, 12.8%
1 use, 20.6%

6. Books Cataloged 2000-2004
(126,953 Titles)
4+
uses, $1,084,
576
0 3
uses, $2,284, uses, $473,06
532 0
2
1
uses, $738,43
use, $1,188,4
5
18

7. Demand-Driven Acquisitions Goals
 Broaden the collection
 More titles
 More publishers
 More subjects
 Match acquisitions to immediate
demand
 Pay at point of need
 Pay for amount of need
 Short-term loans
 Purchase-on-demand

8. Redefining the Collection
 Everything we can provide in a
timely manner
 Ultimately, bounded only by budget

9. What We’re Doing at DU

10. eBook Library (EBL)
 Began May 2010
 Loaded 42,000 records into catalog
(now 65,000)
 No budget for FY 2010
 Budgeted $150,000 for FY 2011

11. The EBL Model
 First five minutes free
 STL for three uses
 One day or one week
 10-15% list price
 Purchase on fourth use
 List price

12. DU EBL Data (5/1/10-6/30/11)
Actual List
325 titles purchased $23,753 $23,753
3,599 titles with at least $49,171 $236,037
one STL
6,477 titles with at least $0 $473,378
one browse
Total (10,076 titles) $72,924 $733,168
Savings $660,244

13. Cost Per Transaction
Purchase Type Total Cost Cost per
Transaction
STL $49,171 $9.21
Autopurchase $23,753 $73.09

14. The Future
 E-Books on demand
 Local print-on-demand option
 Make accessible all that we can
afford

15. Thank You
Michael Levine-Clark
Collections Librarian
University of Denver
michael.levine-clark@du.edu