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Together at Last: Trade Costs, Demand Structure, and Welfare

Author

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  • Peter Neary
  • Monika Mrazova
Abstract
We show that relaxing the assumption of CES preferences in monopolistic competition has surprising implications when trade is restricted. Integrated and segmented markets behave differently, the latter typically exhibiting reciprocal dumping. Globalization and lower trade costs have different effects: the former reduces spending on all existing varieties, the latter switches spending from home to imported varieties; when demands are less convex than CES, globalization raises whereas lower trade costs reduce firm output. Finally,calibrating gains from trade is harder. Many more parameters are needed, while import demand elasticities typically overestimate the true elasticities, and so underestimate the gains from trade.

Suggested Citation

  • Peter Neary & Monika Mrazova, 2014. "Together at Last: Trade Costs, Demand Structure, and Welfare," Economics Series Working Papers 694, University of Oxford, Department of Economics.
    • Handle: RePEc:oxf:wpaper:694
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    References listed on IDEAS

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    Cited by:

    1. Maxim Goryunov & Sergey Kokovin & Takatoshi Tabuchi, 2022. "Continuous spatial monopolistic competition: matching goods with consumers," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 74(3), pages 793-832, October.
    2. Igor Bykadorov & Andrea Ellero & Stefania Funari & Sergey Kokovin & Pavel Molchanov, 2016. "Painful Birth of Trade Under Classical Monopolistic Competition," HSE Working papers WP BRP 132/EC/2016, National Research University Higher School of Economics.
    3. Stark, Oded & Zawojska, Ewa & Kohler, Wilhelm & Szczygielski, Krzysztof, 2018. "An adverse social welfare effect of a doubly gainful trade," Journal of Development Economics, Elsevier, vol. 135(C), pages 77-84.
    4. Matveenko, Andrei, 2020. "Logit, CES, and rational inattention," Economics Letters, Elsevier, vol. 186(C).
    5. Monika Mrázová & J. Peter Neary, 2017. "Not So Demanding: Demand Structure and Firm Behavior," American Economic Review, American Economic Association, vol. 107(12), pages 3835-3874, December.
    6. Igor A. Bykadorov & Alexey A. Gorn & Sergey G. Kokovin & Evgeny V. Zhelobodko, 2014. "Losses From Trade In Krugman’s Model: Almost Impossible," HSE Working papers WP BRP 61/EC/2014, National Research University Higher School of Economics.
    7. Ligon, Ethan, 2016. "Some $\lambda$-separable Frisch demands with utility functions," Department of Agricultural & Resource Economics, UC Berkeley, Working Paper Series qt6p05c81z, Department of Agricultural & Resource Economics, UC Berkeley.
    8. Mrázová, Monika & Neary, J. Peter, 2020. "IO for exports(s)," International Journal of Industrial Organization, Elsevier, vol. 70(C).
    9. Marco Bee & Stefano Schiavo, 2018. "Powerless: gains from trade when firm productivity is not Pareto distributed," Review of World Economics (Weltwirtschaftliches Archiv), Springer;Institut für Weltwirtschaft (Kiel Institute for the World Economy), vol. 154(1), pages 15-45, February.
    10. Heid, Benedikt & Stähler, Frank, 2024. "Structural gravity and the gains from trade under imperfect competition: Quantifying the effects of the European Single Market," Economic Modelling, Elsevier, vol. 131(C).
    11. Lota D. Tamini & Zakaria Sorgho, 2018. "Trade in Environmental Goods: Evidences from an Analysis Using Elasticities of Trade Costs," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 70(1), pages 53-75, May.
    12. Kokovin, Sergey & Molchanov, Pavel & Bykadorov, Igor, 2022. "Increasing returns, monopolistic competition, and international trade: Revisiting gains from trade," Journal of International Economics, Elsevier, vol. 137(C).
    13. Cees A. Withagen, 2018. "The Social Cost of Carbon and the Ramsey Rule," CESifo Working Paper Series 7359, CESifo.
    14. Dao‐Zhi Zeng & Shin‐Kun Peng, 2021. "Symmetric tax competition and welfare with footloose capital," Journal of Regional Science, Wiley Blackwell, vol. 61(2), pages 472-491, March.
    15. J. Peter Neary, 2016. "International Trade in General Oligopolistic Equilibrium," Review of International Economics, Wiley Blackwell, vol. 24(4), pages 669-698, September.
    16. Bykadorov, Igor & Gorn, Alexey & Kokovin, Sergey & Zhelobodko, Evgeny, 2015. "Why are losses from trade unlikely?," Economics Letters, Elsevier, vol. 129(C), pages 35-38.
    17. Wang, Xichao & Gibson, Mark J., 2015. "Trade, non-homothetic preferences, and the impact of country size on wages," Economics Letters, Elsevier, vol. 132(C), pages 121-124.
    18. Heiland, Inga & Kohler, Wilhelm, 2022. "Heterogeneous workers, trade, and migration," European Economic Review, Elsevier, vol. 144(C).
    19. Abbassi, Abdessalem & Tamini, Lota D. & Dakhlaoui, Ahlem, 2015. "Import quota allocation between regions under Cournot competition," Economic Modelling, Elsevier, vol. 51(C), pages 484-490.
    20. Natalya Ayzenberg & Igor Bykadorov & Sergey Kokovin, 2018. "Optimal Reciprocal Import Tariffs Under Variable Elasticity Of Substitution," HSE Working papers WP BRP 204/EC/2018, National Research University Higher School of Economics.
    21. Lota Dabio Tamini & Sorgho Zakaria, 2016. "Trade in environmental goods: how important are trade costs elasticities?," Cahiers de recherche CREATE 2016-3, CREATE.

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    More about this item

    Keywords

    Additively Separable Preference; CES Preference; Iceberg Trade Costs; Quantifying Gains from Trade; Super- and Subconvexity of Demand; Super- and Subconcavity of Utility;
    All these keywords.

    JEL classification:

    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • F15 - International Economics - - Trade - - - Economic Integration
    • F17 - International Economics - - Trade - - - Trade Forecasting and Simulation

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