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Tariffs and Goods-Market Search Frictions

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Abstract

We study uniform tariffs in a general equilibrium dynamic model with search frictions between heterogeneous exporting producers and importing retailers. We analytically characterize unilateral import tariffs that maximize domestic welfare. Search frictions lower these tariffs because of market thickness effects, which reinforce aggregate production nonconvexities. A calibration using 2016 U.S. and Chinese data suggests that optimal U.S. unilateral and Nash equilibrium tariffs with baseline search frictions are 10 ppt. below those in a model with reduced search frictions. Changes in welfare in response to changes in tariffs are smaller in the model with baseline search frictions than in the model with reduced frictions. In the Nash equilibrium with baseline search frictions, U.S. (Chinese) tariffs are 17 (8) ppt. higher and welfare is 0.1 (0.9) percent lower relative to 2016 tariff levels.

Suggested Citation

  • Pawel Krolikowski & Andrew H. McCallum, 2025. "Tariffs and Goods-Market Search Frictions," Working Papers 25-03, Federal Reserve Bank of Cleveland.
  • Handle: RePEc:fip:fedcwq:99459
    DOI: 10.26509/frbc-wp-202503
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    References listed on IDEAS

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    5. Julien, Benoît & Mangin, Sephorah, 2017. "Efficiency of job creation in a search and matching model with labor force participation," Economics Letters, Elsevier, vol. 150(C), pages 149-151.
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    More about this item

    Keywords

    optimal tariffs; trade policy; efficiency; search; welfare; social planner;
    All these keywords.

    JEL classification:

    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
    • D62 - Microeconomics - - Welfare Economics - - - Externalities
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations

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