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Zbl 1028.91563
Häckner, Jonas
A note on price and quantity competition in differentiated oligopolies. (English)
[J] J. Econ. Theory 93, No.2, 233-239 (2000). ISSN 0022-0531

Author's summary: The author shows that the results developed in {\it N. Singh} and {\it X. Vives} [Rand J. Econ. 15, 546-554 (1984)] are sensitive to the duopoly assumption. If there are more than two firms, prices may be higher under price competition than under quantity competition. This will be the case if quality differences are large and goods are complements. If goods are substitutes, high-quality firms may earn higher profits under price competition than under quantity competition. Hence, it is not evident which kind of competition is more efficient.

MSC 2000:: *91B38 Production theory etc.
91B52 Special types of equilibria in economics

Keywords: product differentiation; oligopoly; Cournot; Bertrand

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