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The choice of modeling firm heterogeneity and trade restrictions

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  • Matthew T. Cole

Abstract

There has been great focus in the recent trade theory literature on the introduction of firm heterogeneity into trade models. However, these models tend to rely heavily on symmetry assumptions and assume melting iceberg transport costs as the only form of trade restrictions. Moreover, a standard assumption is that firms differ across marginal cost, yet empirical evidence suggests this is not the only important source of heterogeneity. I provide a highly tractable model, in which firms differ across fixed costs, that qualitatively maintains the main results of these models, but allows for asymmetric changes in trade restrictions, a necessary step towards studying strategic trade policy. In addition, I highlight the differences in the effects on product variety associated with changes in an ad valorem tariff, iceberg transport costs, and additional beachhead costs to become an exporter. This is important as there are potential offsetting effects on firm entry.

Suggested Citation

  • Matthew T. Cole, 2009. "The choice of modeling firm heterogeneity and trade restrictions," Working Papers 200920, School of Economics, University College Dublin.
  • Handle: RePEc:ucn:wpaper:200920
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    File URL: http://hdl.handle.net/10197/2618
    File Function: First version, 2009
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    References listed on IDEAS

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    Cited by:

    1. Bauer, Christian & Davies, Ronald B. & Haufler, Andreas, 2014. "Economic integration and the optimal corporate tax structure with heterogeneous firms," Journal of Public Economics, Elsevier, vol. 110(C), pages 42-56.
    2. Matthew T. Cole (University College Dublin) Ronald B. Davies (University College Dublin), 2009. "Optimal Tariffs, Tariff Jumping, and Heterogeneous Firms," The Institute for International Integration Studies Discussion Paper Series iiisdp302, IIIS.
    3. Ronald Davies & Lourenço Paz, 2011. "Tariffs versus VAT in the presence of heterogeneous firms and an informal sector," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 18(5), pages 533-554, October.
    4. Cole, Matthew T. & Davies, Ronald B., 2011. "Strategic tariffs, tariff jumping, and heterogeneous firms," European Economic Review, Elsevier, vol. 55(4), pages 480-496, May.
    5. Igor Bagayev & Ronald B. Davies, 2017. "The Impact of Protection on Observed Productivity Distributions," Working Papers 201705, School of Economics, University College Dublin.
    6. Jan Jørgensen & Philipp Schröder & Zhihao Yu, 2012. "Globalization beyond partitioning: back to Krugman’s world," Review of World Economics (Weltwirtschaftliches Archiv), Springer;Institut für Weltwirtschaft (Kiel Institute for the World Economy), vol. 148(1), pages 73-87, April.

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    More about this item

    Keywords

    Intra-industry trade; Trade policy; Firm heterogeneity; Monopolistic competition; Intra-industry trade--Econometric models; Commercial policy; Monopolistic competition;
    All these keywords.

    JEL classification:

    • F10 - International Economics - - Trade - - - General
    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations
    • F15 - International Economics - - Trade - - - Economic Integration

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