Third-Degree Price Discrimination: A Clarification
University of Neuchatel - Institute for Research in Economics (IRENE)
Cyril D. Pasche
University of Geneva - Department of Economics
April 29, 2008
The objective of this paper is to assess how the marginal revenue of a monopoly should be plotted when the market is segmented between consumers with different demands, both in the discriminating and non-discriminating cases. The presentations offered by industrial organization textbooks concerning third-degree price discrimination are not always clear, and we believe this is due to the fact that the marginal revenue is different for both types of monopolies, even though the demands they face are absolutely identical. The quantity produced in equilibrium can therefore diverge significantly if price discrimination is feasible or not. Under certain circumstances, price discrimination may improve the situation of every market agent, producer as well as consumers.
Number of Pages in PDF File: 14
Keywords: Monopoly, Price Discrimination, Kinked Demand
JEL Classification: A20, D42, L12
Date posted: October 29, 2007 ; Last revised: May 2, 2008
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