Stability of a Cournot-Nash equilibrium: the multiproduct case
Article Abstract:
Specialized stability conditions were obtained for cases involving a single-product oligopoly with product heterogeneity, a multiproduct oligopoly with homogeneous products, and a multiproduct duopoly. Models, where each company produces many outputs in related markets, were presented to examine the stability conditions of Cournot-Nash equilibria. A conclusion established that the ability conditions of the markets individually are in general neither needed nor enough for the stability of the markets as a whole.
Publication Name: The Journal of Mathematical Economics
Subject: Mathematics
ISSN: 0304-4068
Year: 1996
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Comparative statics tests between decision models under risk
Article Abstract:
A number of comparative statics tests have been conducted to distinguish between three models of decision making under risk, namely, expected utility (EU), expected utility with rank dependence and implicit weighted utility. Results showed a distinction between EU and other models and also established differences between models that may negate the expected utility hypothesis. Researchers need to find an alternative to EU and evaluate the validity or plausibility of EU in a given application.
Publication Name: The Journal of Mathematical Economics
Subject: Mathematics
ISSN: 0304-4068
Year: 1999
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