NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Entry and Exit, Product Variety and the Business Cycle

Satyajit Chatterjee, Russell Cooper

NBER Working Paper No. 4562
Issued in December 1993
NBER Program(s):   EFG

We study the stochastic behavior of a dynamic general equilibrium model with monopolistic competition. Each seller sells his product in the consumption goods as well as the investment goods market and has market power in both. Consumers derive utility from a CES aggregate of all the consumption goods and augment their capital stock by a CES aggregate of all the investment goods. We analyze the equilibrium of this economy allowing for an endogenous determination of the number of firms and therefore of products. The principal effect we highlight is the endogenous propagation and magnification of technology and preference disturbances through product space variations.

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Document Object Identifier (DOI): 10.3386/w4562

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