The data displays the distribution of e-book acquisition models across academic libraries in the U.S. in 2016, by school type. In 2016, 79% of undergraduate academic libraries in the United States purchased e-books under a subscription model.
Subscription | 80 | 79 | 80 |
Perpetual access - title-by-title purchasing | 89 | 73 | 67 |
Demand-driven acquisition - purchase | 51 | 56 | 35 |
Upfront purchase with maintenance fee | 38 | 36 | 28 |
Demand-driven acquisition - short-term loan | 16 | 24 | 11 |
E-book approval plans | 20 | 9 | 4 |
Combined e-book and print approval plan | 18 | 8 | 4 |
Other | 7 | 5 | 2 |