IV-38c: Average List Price of New North American Academic Ebooks, by Field, 2009–2013 (Adjusted for Inflation*)

* “Ebooks” are titles that were released first in electronic form but may have been released in print form later. Please see Supplemental Table IV-12 for information about which disciplines were included in the broad field categories used in the graph.

Source: Developed from a compilation by Stephen Bosch, University of Arizona, of data provided by Ingram Content Group (Coutts Information Services) and YBP Library Services. Prices adjusted for inflation using the gross domestic product deflators produced by the U.S. Department of Commerce’s Bureau of Economic Analysis.

The data providers, Ingram Content Group and YBP Library Services, use the Library of Congress Classification (LCC) to sort books by their subject matter. For the LCC categories included by the Humanities Indicators under each of the field and discipline headings used as part of this analysis, please see Supplemental Table IV-12.

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