Third-Degree Price Discrimination, Consumption Externalities and Social Welfare

8 Pages Posted: 10 Feb 2005

See all articles by Takanori Adachi

Takanori Adachi

Kyoto University - Graduate School of Management; Kyoto University - Graduate School of Economics

Abstract

This paper analyses monopolistic third-degree price discrimination in the presence of consumption externalities within two separate markets. Assuming linear inverse demands, we investigate an associated change in social welfare (the sum of the consumers' surpluses and the producer's profit) with the regime change from uniform pricing to price discrimination when both markets are open under either regime. It is shown that social welfare can improve even if total output is unaffected by the regime change. Moreover, it is possible that the sum of the consumers' surpluses also increases.

Suggested Citation

Adachi, Takanori, Third-Degree Price Discrimination, Consumption Externalities and Social Welfare. Available at SSRN: https://ssrn.com/abstract=664711

Takanori Adachi (Contact Author)

Kyoto University - Graduate School of Management ( email )

36-1 Yoshida-honmachi
Sakyo-ku
Kyoto, 606-8501
Japan

Kyoto University - Graduate School of Economics ( email )

36-1 Yoshida-honmachi
Sakyo-ku
Kyoto, 606-8501
Japan

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