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Government Policies in a Granular Global Economy

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  • Itskhoki, Oleg
  • Gaubert, Cécile
  • Vogler, Maximilian

Abstract

We use the granular model of international trade developed in Gaubert and Itskhoki (2021) to study the rationale and implications of three types of government interventions typically targeted at large individual firms - antitrust, trade and industrial policies. We find that in antitrust regulation, governments face an incentive to be overly lenient in accepting mergers of large domestic firms, which acts akin to beggar-thy-neighbor trade policy in sectors with strong comparative advantage. In trade policy, targeting large individual foreign exporters rather than entire sectors is desirable from the point of view of a national government. Doing so minimizes the pass-through of import tariffs into domestic consumer prices, placing a greater portion of the burden on foreign producers. Finally, we show that subsidizing `national champions' is generally suboptimal in closed economies as it leads to an excessive build-up of market power, but it may become unilaterally welfare improving in open economies. We contrast unilaterally optimal policies with the coordinated global optimal policy and emphasize the need for international policy cooperation in these domains.

Suggested Citation

  • Itskhoki, Oleg & Gaubert, Cécile & Vogler, Maximilian, 2021. "Government Policies in a Granular Global Economy," CEPR Discussion Papers 15896, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:15896
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    More about this item

    Keywords

    Granular comparative advantage; Antitrust; Import tariff; Industrial policy;
    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
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L40 - Industrial Organization - - Antitrust Issues and Policies - - - General
    • L52 - Industrial Organization - - Regulation and Industrial Policy - - - Industrial Policy; Sectoral Planning Methods

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