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Heterogeneous Firms, Trade, and Economic Policy: Insights from a Simple Two-Sector Model

Author

Listed:
  • Pflüger, Michael P.

    (University of Würzburg)

  • Russek, Stephan

    (University of Passau)

Abstract

The robust empirical finding that exporting firms are systematically different from firms that merely serve domestic consumers has inspired the development of a new brand of trade theory, the theory of heterogeneous firms and trade. The establishment of a canonical model due to Melitz (2003) has induced a recent wave of research which explores various policy issues and policy instruments. This paper uses a simple tractable two-sector model of monopolistic competition as unifying framework to bring out key lessons of this recent research. We address the gains from trade, country asymmetries involving technology potentials, market sizes, trade openness and various business conditions as well as the international repercussions that emerge when countries non-cooperatively choose entry subsidies and their levels of basic research. We also reinvestigate the process of market exit.

Suggested Citation

  • Pflüger, Michael P. & Russek, Stephan, 2011. "Heterogeneous Firms, Trade, and Economic Policy: Insights from a Simple Two-Sector Model," IZA Discussion Papers 6109, Institute of Labor Economics (IZA).
  • Handle: RePEc:iza:izadps:dp6109
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    References listed on IDEAS

    as
    1. DEL GATTO, Massimo & MION, Giordano & OTTAVIANO, Gianmarco I.P., 2006. "Trade integration, firm selection and the costs of non-Europe," LIDAM Discussion Papers CORE 2006061, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    2. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June.
    3. Venables, Anthony J, 1987. "Trade and Trade Policy with Differentiated Products: A Chamberlinian-Ricardian Model," Economic Journal, Royal Economic Society, vol. 97(387), pages 700-717, September.
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    More about this item

    Keywords

    monopolistic competition; economic policies and welfare; firm heterogeneity;
    All these keywords.

    JEL classification:

    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations
    • F15 - International Economics - - Trade - - - Economic Integration
    • L25 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Performance

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