Endogenous Business Cycles with Small and Large Firms

Qazi Haque (), Oscar Pavlov () and Mark Weder ()
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Qazi Haque: The University of Adelaide, Australia
Oscar Pavlov: Tasmanian School of Business & Economics, University of Tasmania, https://discover.utas.edu.au/oscar.pavlov
Mark Weder: Aarhus University, Denmark, https://www.au.dk/en/mweder@econ.au.dk

No 2025-02, Working Papers from University of Tasmania, Tasmanian School of Business and Economics

Abstract: Recent decades have seen a rise in the market power of large firms. We propose a theory in which their technology involves the ability to produce multiple products. Large firms interact with smaller competitors and market share reallocations via product creation generate heterogeneous markup dynamics across the firm types. Higher market shares of large firms increase the parameter space for macroeconomic indeterminacy. Bayesian estimation of the general equilibrium model suggests the importance of the endogenous amplification of the product creation channel and animal spirits play a non-trivial role in driving U.S. business cycles.

Keywords: Indeterminacy; business cycles; multi-product Örms; animal spirits; Bayesian estimation. (search for similar items in EconPapers)
JEL-codes: E32 (search for similar items in EconPapers)
Pages: 41 pages
Date: 2025
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Published by the University of Tasmania. Discussion paper 2025-02

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