March 2003
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50 Reads
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10 Citations
Journal of Economics and Business
This paper develops a model of journal photocopying in order to explain the existence and extent of price discrimination—the disparity between individual- and library-subscription rates—for scientific journals. We develop an algorithm for computing how many generations of copies will be made and the distribution of readers among the generations of copies. Based on this algorithm, we are able to analyze the factors that determine how publishers discriminate between library- and individual-subscription rates.