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Endogenous Market Structures and the Business Cycle

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  • Federico Etro
  • Andrea Colciago

Abstract

We characterise endogenous market structures under Bertrand and Cournot competition in a DSGE model. Short-run mark ups vary countercyclically because of the impact of entry on competition. Long-run mark ups are decreasing in the discount factor and in productivity, and increasing in the exit rate and in the entry costs. Dynamic inefficiency can emerge due to excessive entry under Cournot competition. Positive temporary shocks attract entry, which strengthens competition so as to reduce the mark ups temporarily and increase real wages: this competition effect creates an intertemporal substitution effect which boosts consumption and employment. Endogenous market structures improve the ability of a flexible prices model in matching impulse response functions and second moments for US data. Copyright (C) The Author(s). Journal compilation (C) Royal Economic Society 2010.

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Bibliographic Info

Article provided by Royal Economic Society in its journal The Economic Journal.

Volume (Year): 120 (2010)
Issue (Month): 549 (December)
Pages: 1201-1233

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Handle: RePEc:ecj:econjl:v:120:y:2010:i:549:p:1201-1233

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References

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  1. Andrea Colciago & Federico Etro, 2007. "Real Business Cycles with Cournot Competition and Endogenous Entry," Working Papers 135, University of Milano-Bicocca, Department of Economics, revised Feb 2008.
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Citations

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Cited by:
  1. Martina Cecioni, 2010. "Firm entry, competitive pressures and the US inflation dynamics," Temi di discussione (Economic working papers) 773, Bank of Italy, Economic Research and International Relations Area.
  2. V. Lewis, 2010. "Product Diversity, Strategic Interactions and Optimal Taxation," Working Papers of Faculty of Economics and Business Administration, Ghent University, Belgium 10/661, Ghent University, Faculty of Economics and Business Administration.
  3. colciago, andrea & Rossi, Lorenza, 2011. "Endogenous Market Structures and the Business Cycle," MPRA Paper 29629, University Library of Munich, Germany.
  4. Andrea Colciago & Lorenza Rossi, 2011. "Endogenous Market Structures and Labor Market Dynamics (New version)," Quaderni di Dipartimento 155, University of Pavia, Department of Economics and Quantitative Methods.
  5. Florin Bilbiie & Fabio Ghironi & Marc J. Melitz, 2007. "Endogenous Entry, Product Variety, and Business Cycles," NBER Working Papers 13646, National Bureau of Economic Research, Inc.
  6. Colciago, Andrea & Etro, Federico, 2010. "Real business cycles with Cournot competition and endogenous entry," Journal of Macroeconomics, Elsevier, vol. 32(4), pages 1101-1117, December.
  7. Colciago, Andrea & Rossi, Lorenza, 2011. "Endogenous Market Structures and Labor Market Dynamics," MPRA Paper 29311, University Library of Munich, Germany.
  8. Andrea Colciago & Lorenza Rossi, 2013. "Firm Entry, Endogenous Markups and the Dynamics of the Labor Share of Income," DNB Working Papers 367, Netherlands Central Bank, Research Department.
  9. Totzek, Alexander, 2011. "Banks, oligopolistic competition, and the business cycle: A new financial accelerator approach," Economics Working Papers 2011,02, Christian-Albrechts-University of Kiel, Department of Economics.
  10. V. Lewis & C. Poilly, 2011. "Firm Entry, Inflation and the Monetary Transmission Mechanism," Working Papers of Faculty of Economics and Business Administration, Ghent University, Belgium 11/705, Ghent University, Faculty of Economics and Business Administration.
  11. Lilia Cavallari, 2012. "Modelling Entry Costs: Does It Matter For Business Cycle Transmission?," Working Papers 0712, CREI Università degli Studi Roma Tre, revised 2012.
  12. Maria José Gil-Moltó & Dimitrios Varvarigos, 2012. "Industry Dynamics and Indeterminacy in an OLG Economy with Endogenous Occupational Choice," Discussion Papers in Economics 12/09, Department of Economics, University of Leicester, revised Sep 2012.

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