Imperfect Price Discrimination, Market Structure and Efficiency
18 Pages Posted: 8 Nov 2004
There are 2 versions of this paper
Imperfect Price Discrimination, Market Structure and Efficiency
Imperfect Price Discrimination, Market Structure, and Efficiency
Date Written: January 14, 2005
Abstract
We introduce a flexible framework by modeling the information firms possess about consumers' locations (preferences) on the Salop circle as a partition. Higher information quality is translated into a partition refinement. In the limit, we obtain the perfect price discrimination paradigm. We show that the free-entry equilibrium number of firms exhibits a U-shape as a function of the quality of information. This implies that some (but not too much) price discrimination yields the most efficient non-cooperative outcome.
Keywords: Free-entry, Price discrimination, Market structure, Efficiency
JEL Classification: D43, L11, L43
Suggested Citation: Suggested Citation
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