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Reductions in Real versus Tariff Barriers: The Effects on Industry Concentration

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  • Schröder, Philipp J.H.
  • Jørgensen, Jan G.

Abstract

Economic integration in Europe has had ambiguous effects on industry concentration. The literature has proposed various explanations of the empirical findings. The present paper provides an additional theoretical argument. We show that in a world of monopolistic competition, integration in it self (modelled as a reduction of trade barriers) generates opposing effects on industry concentration, depending on wether the barrier is a real (frictional) or a tariff cost. In particular, the Herfindahl index of industry concentration falls for a reduction in real costs, but rises for a reduction in tariff costs. The reason is that real barriers burn up resources, such that industry profitability is reduced, reducing entry, and resulting in fewer firms and higher concentration. Under a tariff barrier, the redistributed tariff revenue stabilises industry profitability, resulting in more firms and lower concentration.

Suggested Citation

  • Schröder, Philipp J.H. & Jørgensen, Jan G., 2001. "Reductions in Real versus Tariff Barriers: The Effects on Industry Concentration," MPRA Paper 124, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:124
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    References listed on IDEAS

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    6. Krugman, Paul R, 1981. "Intraindustry Specialization and the Gains from Trade," Journal of Political Economy, University of Chicago Press, vol. 89(5), pages 959-973, October.
    7. Baier, Scott L. & Bergstrand, Jeffrey H., 2001. "The growth of world trade: tariffs, transport costs, and income similarity," Journal of International Economics, Elsevier, vol. 53(1), pages 1-27, February.
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    9. Drud Hansen, Jørgen & Guldager Jørgensen, Jan, 2001. "Market Integration and Industrial Specialization on a Monopolistic Competitive Market," Journal of Economic Integration, Center for Economic Integration, Sejong University, vol. 16, pages 279-298.
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    Cited by:

    1. Philipp J. H. Schröder, 2007. "Cartel Stability and Economic Integration," Review of International Economics, Wiley Blackwell, vol. 15(2), pages 313-320, May.
    2. Lücke Dorothea & Schröder Philipp J.Η. & Schumacher Dieter, 2005. "A Note on R&D and Price Elasticity of Demand," Journal of Economics and Statistics (Jahrbuecher fuer Nationaloekonomie und Statistik), De Gruyter, vol. 225(6), pages 688-698, December.

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    More about this item

    Keywords

    real costs; tariff costs; industry concentration; market structure; integration;
    All these keywords.

    JEL classification:

    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • F15 - International Economics - - Trade - - - Economic Integration
    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation

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