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Multi-product firms and business cycle dynamics

  • Antonio Minniti


    (Facoltà di Economia)

  • Francesco Turino

    (Universidad de Alicante)

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 a relevant share of aggregate output. In the present paper, and consistently with this evidence, we relax the standard assumption of mono-product firms that is typically made in dynamic general equilibrium models. Building on the work of Jaimovich and Floetotto (2008), we develop an RBC model with multi-product firms and endogenous markups to assess the implications of the intra-firm extensive margin on business cycle fluctuations. In this environment, the procyclicality of product creation emerges as a consequence of strategic interactions among firms. Because of the proliferation effect induced by changes in product scope, our model embodies a quantitatively important magnification mechanism of technology shocks.

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Paper provided by Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) in its series Working Papers. Serie AD with number 2011-20.

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Length: 33 pages
Date of creation: Sep 2011
Date of revision:
Publication status: Published by Ivie
Handle: RePEc:ivi:wpasad:2011-20
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  1. 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.
  2. Volker Nocke & Stephen Yeaple, 2006. "Globalization and Endogenous Firm Scope," PIER Working Paper Archive 06-015, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania.
  3. Satyajit Chatterjee & Russell W. Cooper, 1993. "Entry and exit, product variety and the business cycle," Working Papers 93-30, Federal Reserve Bank of Philadelphia.
  4. 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.
  5. 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.
  6. Morten O. Ravn & Stephanie Schmitt-Grohe, 2004. "Deep Habits," 2004 Meeting Papers 208, Society for Economic Dynamics.
  7. repec:bla:restud:v:77:y:2010:i:1:p:188-217 is not listed on IDEAS
  8. Timothy Cogley & James M. Nason, 1993. "Output dynamics in real business cycle models," Working Papers in Applied Economic Theory 93-10, Federal Reserve Bank of San Francisco.
  9. Nir Jaimovich, 2004. "Firm Dynamics, Markup Variations, and the Business Cycle," Discussion Papers 07-013, Stanford Institute for Economic Policy Research, revised Mar 2007.
  10. Allanson, Paul & Montagna, Catia, 2005. "Multiproduct firms and market structure: An explorative application to the product life cycle," International Journal of Industrial Organization, Elsevier, vol. 23(7-8), pages 587-597, September.
  11. Eckel, Carsten & Neary, J Peter, 2006. "Multi-Product Firms and Flexible Manufacturing in the Global Economy," CEPR Discussion Papers 5941, C.E.P.R. Discussion Papers.
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