Digital Distribution and the Prohibition of Resale Markets for Information Goods Benjamin Reed Shiller, Economics Department, Brandeis University
Digital Distribution and the Prohibition of Resale Markets for Information Goods Benjamin Reed Shiller, Economics Department, Brandeis University Working Paper Series 2013 | 58 Digital Distribution and the Prohibition of Resale Markets for Information Goods Benjamin Reed Shiller∗ Brandeis University Dec, 2012 Abstract An existing theoretical literature finds that frictionless resale markets cannot reduce profits of monopolist producers of perfectly durable goods. This paper starts by presenting logical arguments suggesting this finding does not hold for goods consumers tire of with use, implying the impact of resale is an empirical question. The empirical impact is then estimated in the market for video games, one of many markets in which producers may soon legally prevent resale by distributing their products digitally as downloads or streamed rentals. Estimation proceeds in two steps. First, demand parameters are estimated using a dynamic discrete choice model in a market with allowed resale, using data on new sales and used trade- ins. Then, using these parameter estimates, prices, profits, and consumer welfare are simulated under counterfactual environments. When resale is allowed, firms are unable to prevent their goods from selling for low prices in later periods. The ability to do so by restricting resale outright yields significant profit increases. Renting, however, does not raise profits as much due to a revenue extraction problem. (JEL M30, L00, K19) 1 Introduction The standard theoretical model of perfectly durable goods finds that frictionless resale does not lower monopolist profits, implying producers would welcome well-functioning resale markets for their products. The reasoning behind this finding is that forward- looking consumers incorporate the expected resale price into initial willingness to pay, and the increase in revenue from higher initial prices offsets revenue lost from fewer sales.
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