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Selection Effects with Heterogeneous Firms

  • Peter Neary
  • Monika Mrazova

We provide a general characterization of which firms will select alternative ways of serving a market. If and only if firms' maximum profits are supermodular in production and market-access costs, more efficient firms will select into the activity with lower market-access costs. Our result applies in a range of models and under a variety of assumptions about market structure. We show that supermodularity holds in many cases but not in all.Exceptions include FDI (both horizontal and vertical) when demands are "sub-convex" (i.e., less convex than CES), fixed costs that vary with access mode, and R&D with threshold effects.

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File URL: http://www.economics.ox.ac.uk/materials/papers/5560/paper588.pdf
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Paper provided by University of Oxford, Department of Economics in its series Economics Series Working Papers with number 588.

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Date of creation: 01 Dec 2011
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Handle: RePEc:oxf:wpaper:588
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  1. Elhanan Helpman & Oleg Itskhoki & Stephen Redding, 2009. "Inequality and Unemployment in a Global Economy," CEP Discussion Papers dp0940, Centre for Economic Performance, LSE.
  2. Swati Dhingra & John Morrow, 2012. "The Impact of Integration on Productivity and Welfare Distortions Under Monopolistic Competition," CEP Discussion Papers dp1130, Centre for Economic Performance, LSE.
  3. Susan Athey, 2002. "Monotone Comparative Statics under Uncertainty," The Quarterly Journal of Economics, Oxford University Press, vol. 117(1), pages 187-223.
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  5. Dermot Leahy & Catia Montagna, 2009. "Outsourcing vs FDI in Oligopoly Equilibrium," Spatial Economic Analysis, Taylor & Francis Journals, vol. 4(2), pages 149-166.
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  11. Richard Baldwin & Toshihiro Okubo, 2012. "International Trade, Offshoring and Heterogeneous Firms," Keio/Kyoto Joint Global COE Discussion Paper Series 2012-014, Keio/Kyoto Joint Global COE Program.
  12. Paula Bustos, 2011. "Trade Liberalization, Exports, and Technology Upgrading: Evidence on the Impact of MERCOSUR on Argentinian Firms," American Economic Review, American Economic Association, vol. 101(1), pages 304-40, February.
  13. Petit, Maria-Luisa & Sanna-Randaccio, Francesca, 2000. "Endogenous R&D and foreign direct investment in international oligopolies," International Journal of Industrial Organization, Elsevier, vol. 18(2), pages 339-367, February.
  14. Ronald B. Davies & Carsten Eckel, 2007. "Tax Competition for Heterogeneous Firms with Endogenous Entry," University of Oregon Economics Department Working Papers 2007-6, University of Oregon Economics Department.
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  18. Lynda A. Porter, 2012. "Asymmetric Oligopoly and Foreign Direct Investment: Implications for Host-Country Tax-Setting," International Economic Journal, Taylor & Francis Journals, vol. 26(2), pages 229-246, June.
  19. Kohler Wilhelm K & Smolka Marcel, 2011. "Sourcing Premia with Incomplete Contracts: Theory and Evidence," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 11(1), pages 1-39, February.
  20. Gene M. Grossman & Elhanan Helpman, 2002. "Integration versus Outsourcing in Industry Equilibrium," The Quarterly Journal of Economics, Oxford University Press, vol. 117(1), pages 85-120.
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  23. Hartmut Egger & Udo Kreickemeier, 2009. "Firm Heterogeneity And The Labor Market Effects Of Trade Liberalization," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 50(1), pages 187-216, 02.
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  29. Oldenski, Lindsay, 2012. "Export Versus FDI and the Communication of Complex Information," Journal of International Economics, Elsevier, vol. 87(2), pages 312-322.
  30. Krugman, Paul R., 1979. "Increasing returns, monopolistic competition, and international trade," Journal of International Economics, Elsevier, vol. 9(4), pages 469-479, November.
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