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Distorted monopolistic competition

Author

Listed:
  • Kristian Behrens
  • Giordano Mion
  • Yasusada Murata
  • Jens Südekum

Abstract

We characterize the equilibrium and optimal resource allocations in a general equilibrium model of monopolistic competition with multiple asymmetric sectors and heterogeneous firms. We first derive general results for additively separable preferences and general productivity distributions, and then analyze specific examples that allow for closed-form solutions and a simple quantification procedure. Using data for France and the United Kingdom, we find that the aggregate welfare distortion -- due to inefficient labour allocation and firm entry between sectors and inefficient selection and output within sectors -- is equivalent to the contribution of 6-8% of the total labour input.

Suggested Citation

  • Kristian Behrens & Giordano Mion & Yasusada Murata & Jens Südekum, 2016. "Distorted monopolistic competition," CEP Discussion Papers dp1457, Centre for Economic Performance, LSE.
    • Handle: RePEc:cep:cepdps:dp1457
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    References listed on IDEAS

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    1. Yilmazkuday, Hakan, 2016. "Constant versus variable markups: Implications for the law of one price," International Review of Economics & Finance, Elsevier, vol. 44(C), pages 154-168.
    2. Parenti, Mathieu & Ushchev, Philip & Thisse, Jacques-François, 2017. "Toward a theory of monopolistic competition," Journal of Economic Theory, Elsevier, vol. 167(C), pages 86-115.
    3. Colin J. Hottman & Stephen J. Redding & David E. Weinstein, 2016. "Quantifying the Sources of Firm Heterogeneity," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 131(3), pages 1291-1364.
    4. Epifani, Paolo & Gancia, Gino, 2011. "Trade, markup heterogeneity and misallocations," Journal of International Economics, Elsevier, vol. 83(1), pages 1-13, January.
    5. Antonella Nocco & Gianmarco I. P. Ottaviano & Matteo Salto, 2014. "Monopolistic Competition and Optimum Product Selection," American Economic Review, American Economic Association, vol. 104(5), pages 304-309, May.
    6. E. Glen Weyl & Michal Fabinger, 2013. "Pass-Through as an Economic Tool: Principles of Incidence under Imperfect Competition," Journal of Political Economy, University of Chicago Press, vol. 121(3), pages 528-583.
    7. Marc J. Melitz, 2003. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity," Econometrica, Econometric Society, vol. 71(6), pages 1695-1725, November.
    8. Behrens, Kristian & Murata, Yasusada, 2007. "General equilibrium models of monopolistic competition: A new approach," Journal of Economic Theory, Elsevier, vol. 136(1), pages 776-787, September.
    9. N. Gregory Mankiw & Michael D. Whinston, 1986. "Free Entry and Social Inefficiency," RAND Journal of Economics, The RAND Corporation, vol. 17(1), pages 48-58, Spring.
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    Citations

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    Cited by:

    1. Parenti, Mathieu & Ushchev, Philip & Thisse, Jacques-François, 2017. "Toward a theory of monopolistic competition," Journal of Economic Theory, Elsevier, vol. 167(C), pages 86-115.
    2. Amelio, Andrea & Giardino-Karlinger, Liliane & Valletti, Tommaso, 2020. "Exclusionary pricing in two-sided markets," International Journal of Industrial Organization, Elsevier, vol. 73(C).
    3. Jacques-François Thisse & Philip Ushchev, 2018. "Monopolistic competition without apology," Chapters, in: Luis C. Corchón & Marco A. Marini (ed.), Handbook of Game Theory and Industrial Organization, Volume I, chapter 5, pages 93-136, Edward Elgar Publishing.
    4. Céline Bonnet & Jan Philip Schain, 2020. "An Empirical Analysis Of Mergers: Efficiency Gains And Impact On Consumer Prices," Journal of Competition Law and Economics, Oxford University Press, vol. 16(1), pages 1-35.
    5. Nocco, Antonella & Ottaviano, Gianmarco I.P. & Salto, Matteo, 2019. "Geography, competition, and optimal multilateral trade policy," Journal of International Economics, Elsevier, vol. 120(C), pages 145-161.
    6. Stef Proost & Jacques-François Thisse, 2019. "What Can Be Learned from Spatial Economics?," Journal of Economic Literature, American Economic Association, vol. 57(3), pages 575-643, September.
    7. Kristian Behrens & Sergey Kichko & Philip Ushchev & Sergei Kichko, 2018. "Intersectoral Markup Divergence," CESifo Working Paper Series 6965, CESifo.
    8. 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).
    9. Shunan Zhao & Bing Qian & Subal C. Kumbhakar, 2020. "Estimation of productivity and markups with price dispersion: Evidence from Chinese manufacturing during economic transition," Southern Economic Journal, John Wiley & Sons, vol. 87(2), pages 666-699, October.
    10. Bykadorov, Igor & Kokovin, Sergey, 2017. "Can a larger market foster R&D under monopolistic competition with variable mark-ups?," Research in Economics, Elsevier, vol. 71(4), pages 663-674.
    11. A. Shapoval & V. M. Goncharenko, 2020. "Industry equilibrium and welfare in monopolistic competition under uncertainty," Journal of Economics, Springer, vol. 130(2), pages 187-218, July.
    12. David Baqaee & Emmanuel Farhi, 2020. "Entry vs. Rents: Aggregation with Economies of Scale," NBER Working Papers 27140, National Bureau of Economic Research, Inc.
    13. Etro, Federico, 2017. "Research in economics and monopolistic competition," Research in Economics, Elsevier, vol. 71(4), pages 645-649.

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    More about this item

    Keywords

    monopolistic competition; welfare distortion; intersectoral distortions;
    All these keywords.

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets

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