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Multi-product firms and business cycle dynamics

  • Minniti, Antonio
  • Turino, Francesco

Recent empirical evidence provided by Bernard et al. (2010) and Broda and Weinstein (2010) shows that a significant share of product creation and destruction in U.S. industries occurs within existing firms and accounts for an important share of aggregate output. In the present paper, and consistent with this evidence, we relax the standard assumption of mono-product firms in a dynamic stochastic general equilibrium model. Our analysis is based on a model of firm dynamics with two deviations from the conventional real business cycle framework—imperfect competition with endogenous entry and multi-product firms. The combination of these two features enables our model to successfully generate a mechanism that accounts for the strong procyclicality of product creation. Due to the proliferation effect induced by firm-level adjustments in product scope, we show that our model embodies a quantitatively important magnification mechanism of aggregate shocks.

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Article provided by Elsevier in its journal European Economic Review.

Volume (Year): 57 (2013)
Issue (Month): C ()
Pages: 75-97

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Handle: RePEc:eee:eecrev:v:57:y:2013:i:c:p:75-97
Contact details of provider: Web page: http://www.elsevier.com/locate/eer

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  1. Paul Allanson & Catia Montagna, 1999. "Multiproduct Firms and Market Structure: An Explorative Application to the Product Life Cycle," Dundee Discussion Papers in Economics 101, Economic Studies, University of Dundee.
  2. Nir Jaimovich, 2004. "Firm Dynamics, Markup Variations, and the Business Cycle," Discussion Papers 07-013, Stanford Institute for Economic Policy Research, revised Mar 2007.
  3. 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.
  4. Eckel, Carsten & Neary, J. P., 2010. "Multi-product firms and flexible manufacturing in the global economy," Munich Reprints in Economics 20525, University of Munich, Department of Economics.
  5. Ravn, Morten O & Schmitt-Grohé, Stephanie & Uribe, Martín, 2004. "Deep Habits," CEPR Discussion Papers 4269, C.E.P.R. Discussion Papers.
  6. Volker Nocke & Stephen Yeaple, 2006. "Globalization and Endogenous Firm Scope," NBER Working Papers 12322, National Bureau of Economic Research, Inc.
  7. Satyajit Chatterjee & Russell W. Cooper, 1993. "Entry and exit, product variety and the business cycle," Working Papers 93-30, Federal Reserve Bank of Philadelphia.
  8. repec:bla:restud:v:77:y:2010:i:1:p:188-217 is not listed on IDEAS
  9. Devereux, Michael B. & Head, Allen C. & Lapham, Beverly J., 1996. "Aggregate fluctuations with increasing returns to specialization and scale," Journal of Economic Dynamics and Control, Elsevier, vol. 20(4), pages 627-656, April.
  10. Cogley, Timothy & Nason, James M, 1995. "Output Dynamics in Real-Business-Cycle Models," American Economic Review, American Economic Association, vol. 85(3), pages 492-511, June.
  11. Anderson, Simon P & de Palma, Andre, 1992. "Multiproduct Firms: A Nested Logit Approach," Journal of Industrial Economics, Wiley Blackwell, vol. 40(3), pages 261-76, September.
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