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Market Foreclosure and the Welfare Impacts of Price Discrimination

Economics Bulletin 36 (1), 337-348 (2016).

13 Pages Posted: 2 Aug 2011 Last revised: 19 Apr 2016

Qihong Liu

University of Oklahoma - Department of Economics

Date Written: December 4, 2015

Abstract

There is an extensive literature studying the welfare comparison of third-degree price discrimination vs. uniform pricing, typically under the assumption that all markets are served under uniform pricing. In this study, we allow market foreclosure and show that the welfare comparison of price discrimination vs. uniform pricing depends on whether market foreclosure is allowed. We also analyze how firms' foreclosure incentives vary with competition intensity. Our results show that an increase in competition intensity makes complete foreclosure less likely to be an equilibrium. On the other hand, the impact of competition intensity on partial foreclosure is non-monotonic. We also show that equilibrium under uniform pricing may feature strategic market foreclosure, defined as committing not to serve a market when demand there is positive.

Keywords: Price discrimination; Market foreclosure; Strategic market foreclosure

JEL Classification: D40, L13, L40

Suggested Citation

Liu, Qihong, Market Foreclosure and the Welfare Impacts of Price Discrimination (December 4, 2015). Economics Bulletin 36 (1), 337-348 (2016). . Available at SSRN: https://ssrn.com/abstract=1903857 or http://dx.doi.org/10.2139/ssrn.1903857

Qihong Liu (Contact Author)

University of Oklahoma - Department of Economics ( email )

Norman, OK 73019-2103
United States
405-325-5846 (Phone)

HOME PAGE: http://qliu.oucreate.com

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