Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/216730 
Erscheinungsjahr: 
2020
Schriftenreihe/Nr.: 
DICE Discussion Paper No. 336
Verlag: 
Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE), Düsseldorf
Zusammenfassung: 
We analyze oligopolistic third-degree price discrimination relative to uniform pricing, when markets are always covered. Pricing equilibria are critically determined by supply-side features such as the number of firms and their marginal cost differences. It follows that each firm's Lerner index under uniform pricing is equal to the weighted harmonic mean of the firm's relative margins under discriminatory pricing. Uniform pricing then decreases average prices and raises consumer surplus. We provide an intriguingly simple approach to calculate the consumer surplus gain from uniform pricing only based on market data of the discriminatory equilibrium (prices and quantities).
Schlagwörter: 
Third-Degree Price Discrimination
Uniform Pricing
Harmonic Mean Formula
Covered Demand
JEL: 
D43
L13
L41
K21
ISBN: 
978-3-86304-335-3
Dokumentart: 
Working Paper

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