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Truncated Firm Productivity Distributions and Trade Margins

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  • Subhayu Bandyopadhyay
  • Cletus C. Coughlin

Abstract

A standard theoretical prediction is that average exports are independent of tariff rates when the underlying distribution of firm productivities is assumed to be the widely-used Pareto distribution. Assuming that the underlying distribution has no upper bound is undoubtedly inaccurate and produces theoretical results at odds with empirical results. In contrast, we show that upper-truncation of the Pareto distribution makes average exports rise with trade liberalization. This result is derived analytically, and is supported by simulations. We extend our analysis to the cases of lognormal and Frchet distributions, which are also frequently used by trade economists. Our findings for lognormal and Frchet distributions are qualitatively similar to the findings using the truncated Pareto.

Suggested Citation

  • Subhayu Bandyopadhyay & Cletus C. Coughlin, 2017. "Truncated Firm Productivity Distributions and Trade Margins," Working Papers 2017-18, Federal Reserve Bank of St. Louis.
    • Handle: RePEc:fip:fedlwp:2017-018
    DOI: 10.20955/wp.2017.018
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    References listed on IDEAS

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    More about this item

    Keywords

    Truncated probability distributions; Extensive and intensive margins of trade; Import tariff; Pareto; Lognormal; Fréchet.;
    All these keywords.

    JEL classification:

    • F1 - International Economics - - Trade

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