2010 Study of Subscription Prices for Scholarly Journals: Society Journal Pricing Trends and Industry Overview by Mike Peine (Business Analyst, Allen Press), 2010 Supplement #1. 15 pages. http://allenpress.com/resources/education/jps
This is a very meaty report. Points to themes in cancellation criteria: elimination of subscription duplications; measuring usage; scrutiny of “big deals”; and use of interlibrary loan.