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DIRECTED SEARCH AND THE BERTRAND PARADOX
Author(s) -
Geromichalos Athanasios
Publication year - 2014
Publication title -
international economic review
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.658
H-Index - 86
eISSN - 1468-2354
pISSN - 0020-6598
DOI - 10.1111/iere.12082
Subject(s) - bertrand competition , economics , oligopoly , mathematical economics , class (philosophy) , competition (biology) , microeconomics , computer science , cournot competition , ecology , artificial intelligence , biology
I study a directed search model of oligopolistic competition, extended to incorporate general capacity constraints, congestion effects, and pricing based on ex post demand. In the presence of any one of these ingredients, the Bertrand paradox fails to hold. Hence, despite the emphasis that has been placed by the literature on sellers' capacity constraints as a resolution to the paradox, the existence of such constraints is only a subcase of a general class of environments where the paradox fails. Specifically, Bertrand's paradox will not arise whenever the buyers' expected utility from visiting a seller is decreasing in that seller's realized demand.

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