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Technology, Market Structure and the Gains from Trade

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  • Impullitti, G.
  • Licandro, O.
  • Rendahl, P.

Abstract

We study the gains from trade in a new model with oligopolistic competition, firm heterogeneity, and innovation. Lowering trade costs reduces markups on domestic sales but increases markups on export sales, as firms do not pass the entire reduction in trade costs onto foreign consumers. Trade liberalisation can also reduce the number of firms competing in each market, thereby increasing markups on both domestic and export sales. For the majority of exporters, however, the procompetitive effect prevails and their avera ge markups decline. The incomplete pass-though and the reduction in the number of competitors instead dominate for top-exporters – the top 0:1% of firms which end up increasing their markup. In a quantitative exercise we find that the aggregate effect of trade-induced markup changes is pro-competitive and accounts for the majority of the welfare gains from trade. Trade-induced changes in competition affect survival on domestic and export markets and firms’ decision to innovate. All exporters, and especially the top exporters, increase their market size after liberalisation which, in turn, encourages them to innovate more. Hence, top exporters contribute negatively to welfare gains by increasing their markups but positively by increasing innovation and productivity. Firms’ innovation response accounts for a small but non-negligible share of the welfare gains while the contribution of selection is U-shaped, being negative for small liberalisations and positive otherwise. A more globalised economy is therefore populated by larger, fewer and more innovative firms, each feature representing an important source of the gains from trade.

Suggested Citation

  • Impullitti, G. & Licandro, O. & Rendahl, P., 2018. "Technology, Market Structure and the Gains from Trade," Cambridge Working Papers in Economics 1892, Faculty of Economics, University of Cambridge.
  • Handle: RePEc:cam:camdae:1892
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    Cited by:

    1. Impullitti, Giammario & Licandro, Omar & Rendahl, Pontus, 2022. "Technology, market structure and the gains from trade," Journal of International Economics, Elsevier, vol. 135(C).
    2. Laurent Cavenaile & Pau Roldan-Blanco & Tom Schmitz, 2023. "International Trade and Innovation Dynamics with Endogenous Markups," The Economic Journal, Royal Economic Society, vol. 133(651), pages 971-1004.
    3. Matias Covarrubias & Germán Gutiérrez & Thomas Philippon, 2019. "From Good to Bad Concentration? US Industries over the Past 30 Years," NBER Chapters, in: NBER Macroeconomics Annual 2019, volume 34, pages 1-46, National Bureau of Economic Research, Inc.
    4. Kazuhiro Takauchi & Tomomichi Mizuno & Katsufumi Fukuda, 2024. "Strategic Export Decisions in International Trade," Discussion Paper Series DP2024-21, Research Institute for Economics & Business Administration, Kobe University.
    5. Yu, Zhuangxiong & Cheng, Jiajia & Mukhopadhaya, Pundarik & Dong, Jiemiao, 2023. "Do information spillovers across products aggravate product market monopoly? An examination with Chinese data," Economic Modelling, Elsevier, vol. 125(C).
    6. Tchoffo, Rodrigue & Ngouhouo, Ibrahim & Nkemgha, Guivis, 2020. "Trade Liberalization and Macroeconomic Performance in Cameroon: An Imperfect Competition Approach," MPRA Paper 98558, University Library of Munich, Germany, revised 09 Feb 2020.
    7. Gutiérrez, Germán & Jones, Callum & Philippon, Thomas, 2021. "Entry costs and aggregate dynamics," Journal of Monetary Economics, Elsevier, vol. 124(S), pages 77-91.
    8. Kenji Fujiwara, 2024. "Firm heterogeneity in competition among the big and the small," Bulletin of Economic Research, Wiley Blackwell, vol. 76(1), pages 147-166, January.
    9. Giammario Impullitti & Richard Kneller & Danny McGowan, 2020. "Demand‐Driven Technical Change and Productivity Growth: Theory and Evidence FROM the Energy Policy Act," Journal of Industrial Economics, Wiley Blackwell, vol. 68(2), pages 328-363, June.
    10. Germán Gutiérrez & Callum Jones & Thomas Philippon, 2019. "Entry Costs and the Macroeconomy," NBER Working Papers 25609, National Bureau of Economic Research, Inc.
    11. Kyung In Hwang, 2022. "The pro‐competitive effects of foreign firm entry: Evidence from the Korean retail sector," The World Economy, Wiley Blackwell, vol. 45(5), pages 1587-1613, May.
    12. Bingxue Wang, 2024. "Towards a welfare model of trade and multinational firms with oligopolistic competition," International Journal of Economic Theory, The International Society for Economic Theory, vol. 20(1), pages 120-155, March.
    13. Impullitti, Giammario, 2022. "Credit constraints, selection and productivity growth," Economic Modelling, Elsevier, vol. 111(C).
    14. Luca Macedoni & Vladimir Tyazhelnikov, 2024. "Oligopoly and oligopsony in international trade," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 57(2), pages 401-429, May.

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    More about this item

    Keywords

    Gains from Trade; Heterogeneous Firms; Oligopoly; Innovation; Endogenous Markups; Endogenous Market Structure.;
    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
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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