Building Better Collections: Demand-

Driven Acquisition at the University of Denver

Michael Levine-ClarkCollections LibrarianUniversity of DenverSeptember 26, 2011

DefinitionsPatron-Driven Acquisition (PDA)

Faculty Requests/InputUse Data

Demand-Driven Acquisition (DDA)Meets immediate need

Why DDA?

Annual Book Production, 2009

DU Pur

chas

es

North

Am

erican

Sch

olar

ly (Y

BP)

All U

nite

d St

ates

Wor

ld (U

NESCO)

0200000400000600000800000

10000001200000

Books Cataloged 2000-2004 (126,953 Titles)

4+ uses; 18.8%

3 uses; 8.2%

2 uses; 12.8%

1 use; 20.6%

0 uses; 39.6%

Books Cataloged 2000-2004 (126,953 Titles)

4+ uses; $1,084,576

3 uses; $473,060

2 uses; $738,435

1 use; $1,188,418

0 uses; $2,284,53

2

Demand-Driven Acquisitions Goals

Broaden the collectionMore titlesMore publishersMore subjects

Match acquisitions to immediate demandPay at point of needPay for amount of needShort-term loansPurchase-on-demand

Redefining the CollectionEverything we can provide in a

timely manner

Ultimately, bounded only by budget

What We’ve Done at DU

netLibraryColorado Alliance of Research

Libraries

1999-2005

First use free

Purchase on second use

Shared access

Purchase ILL RequestsPrice

Publisher

Publication Date

eBook Library (EBL)Began May 2010

Loaded 42,000 records into catalog (now 6,000)

No budget for FY 2010

Budgeted $1450,000 for FY 2011

The EBL ModelFirst five minutes free

STL for three usesOne day or one week10-15% list price

Purchase on fourth useList price

DU EBL Data (5/1/10-6/30/11)

Actual List

325 titles purchased $23,753 $23,753

3,599 titles with at least one STL

$49,171 $236,037

6,477 titles with at least one browse

$0 $473,378

Total (10,076 titles) $72,924 $733,168

Savings $660,244

Cost Per Transaction

Purchase Type

Total Cost Cost per Transaction

STL $49,171 $9.21

Autopurchase $23,753 $73.09

Transactions by Month

May

-10

Jul-1

0

Sep-

10

Nov-1

0

Jan-

11

Mar

-11

May

-11

0

200

400

600

800

1000

1200

TransactionsAutopurchaseSTL

Relation to Print Holdings

13.7%

8.0%

6.0%0.8%

0.5%

0.7%70.3%

Same Edition

Same Edition Checked Out

Earlier Edition(s)

Earler Edition(s) Checked Out

Library Use Only

Other

No Print

What We Want to Do at DU

A Multi-Format ModelE-Books from multiple

vendors/publishers

Print booksWhen electronic not availableWhen electronic not desired

Managed by YBP

The FutureE-Books on demand

Local print-on-demand option

Make accessible all that we can afford

Budget GoalsCommit most of the

monographs budget

Spend the same to access more titles

What Should Publishers Do?

Be FlexibleTitle-by-title selection

All books

All e-book aggregators

All DDA models

Print-on-Demand

Be PredictableLots of subject-based packages

is confusingWhich product?Which package?

Title lists to vendors/aggregatorsIntegration into approval plan

Work With Approval Vendors

Through e-book aggregators

DirectlyOffer DDA model including

Discovery periodShort-term loan optionPurchase option

Help With DiscoverabilityProvide good MARC records

Work with all discovery tools

Work with all vendors

Provide robust metadata

Thank YouMichael Levine-ClarkCollections LibrarianUniversity of Denver

michael.levine-clark@du.edu