TASTE FOR VARIETY AND ENDOGENOUS FLUCTUATIONS IN A MONOPOLISTIC COMPETITION MODEL

Thomas Seegmuller

Macroeconomic Dynamics, 2008, vol. 12, issue 4, 561-577

Abstract: In past years, imperfect competition has been introduced in several dynamic models to show how markup variability, increasing returns (decreasing marginal cost), and monopoly profits affect the occurrence of endogenous fluctuations. In this paper, we focus on another possible feature of imperfectly competitive economies: consumers' taste for variety as a result of endogenous product diversity. Introducing monopolistic competition [Dixit and Stiglitz (1977), Benassy (1996)] in an overlapping generations model in which consumers have taste for variety, we show that local indeterminacy can occur under the three following conditions: a high substitution between capital and labor, increasing returns arbitrarily small, and a not too elastic labor supply. The key mechanism for this result is based on the fact that, because of taste for variety, the aggregate price decreases with the procyclical product diversity, which has a direct influence on the real wage and the real interest rate.

Date: 2008
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Related works:
Working Paper: Taste for Variety and Endogenous Fluctuations in a Monopolistic Competition Model (2008)
Working Paper: Taste for Variety and Endogenous Fluctuations in a Monopolistic Competition Model (2008)
Working Paper: Taste for Variety and Endogenous Fluctuations in a Monopolistic Competition Model (2008)
Working Paper: Taste for variety and endogenous fluctuations in a monopolistic competition model (2007)
Working Paper: Taste for variety and endogenous fluctuations in a monopolistic competition model (2007)
Working Paper: Taste for variety and endogenous fluctuations in a monopolistic competition model (2007)
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