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Monopoly Power and Endogenous Product Variety: Distortions and Remedies

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  • Bilbiie, Florin Ovidiu
  • Ghironi, Fabio
  • Melitz, Marc J

Abstract

The inefficiencies related to endogenous product creation and variety under monopolistic competition are two-fold: one static---the misalignment between consumers and producers regarding the value of a new variety; and one dynamic---time variation in markups. Quantitatively, the welfare costs of the former are potentially very large relative to the latter. For a calibrated version of our model with these distortions, their total cost amounts to 2 percent of consumption. Appropriate taxation schemes can implement the optimum amount of entry and variety. Elastic labor introduces a further distortion that should be corrected by subsidizing labor at a rate equal to the markup for goods, in order to preserve profit margins and hence entry incentives.

Suggested Citation

  • Bilbiie, Florin Ovidiu & Ghironi, Fabio & Melitz, Marc J, 2016. "Monopoly Power and Endogenous Product Variety: Distortions and Remedies," CEPR Discussion Papers 11294, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:11294
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    Cited by:

    1. Fabio Ghironi & Sanjay K. Chugh, 2010. "Optimal Fiscal Policy with Endogenous Product Variety," 2010 Meeting Papers 812, Society for Economic Dynamics.
    2. Lewis, Vivien & Poilly, Céline, 2012. "Firm entry, markups and the monetary transmission mechanism," Journal of Monetary Economics, Elsevier, vol. 59(7), pages 670-685.
    3. Cacciatore, Matteo & Fiori, Giuseppe & Ghironi, Fabio, 2016. "Market deregulation and optimal monetary policy in a monetary union," Journal of International Economics, Elsevier, vol. 99(C), pages 120-137.
    4. 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.
    5. Cambell Leith & Simon Wren-Lewis, 2008. " Electoral Uncertainty and the Deficit Bias in a New Keynesian Economy," CDMA Conference Paper Series 0803, Centre for Dynamic Macroeconomic Analysis.
    6. Kristian Behrens & Yasusada Murata, 2011. "Trade, Competition, and Efficiency (revised version)," Cahiers de recherche 1118, CIRPEE.
    7. Campbell Leith & Simon Wren‐Lewis, 2013. "Fiscal Sustainability in a New Keynesian Model," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 45(8), pages 1477-1516, December.
    8. Federico Etro & Andrea Colciago, 2010. "Endogenous Market Structures and the Business Cycle," Economic Journal, Royal Economic Society, vol. 120(549), pages 1201-1233, December.
    9. Berentsen, Aleksander & Waller, Christopher, 2015. "Optimal Stabilization Policy With Search Externalities," Macroeconomic Dynamics, Cambridge University Press, vol. 19(03), pages 669-700, April.
    10. Inga Heiland & Wilhelm Kohler, 2013. "Heterogeneous Workers, Trade, and Migration," CESifo Working Paper Series 4387, CESifo Group Munich.
    11. Bilbiie, Florin O. & Fujiwara, Ippei & Ghironi, Fabio, 2014. "Optimal monetary policy with endogenous entry and product variety," Journal of Monetary Economics, Elsevier, vol. 64(C), pages 1-20.
    12. Jung, Benjamin, 2015. "Allocational efficiency with heterogeneous firms: Disentangling love of variety and market power," Economics Letters, Elsevier, vol. 134(C), pages 141-143.
    13. Bilbiie, Florin Ovidiu, 2017. "Monetary Neutrality with Sticky Prices and Free Entry," CEPR Discussion Papers 12068, C.E.P.R. Discussion Papers.
    14. Hassan Molana & Catia Montagna, 2015. "Selection, Trade, and Employment: the Strategic Use of Subsidies," WWWforEurope Policy Paper series 21, WWWforEurope.
    15. Fabio Ghironi, 2018. "Macro needs micro," Oxford Review of Economic Policy, Oxford University Press, vol. 34(1-2), pages 195-218.
    16. Andrea Colciago & Lorenza Rossi, 2011. "Endogenous Market Structures and Labor Market Dynamics," Quaderni di Dipartimento 139, University of Pavia, Department of Economics and Quantitative Methods, revised Feb 2011.
    17. Etro, Federico, 2016. "The Ramsey model with monopolistic competition and general preferences," Economics Letters, Elsevier, vol. 145(C), pages 141-144.
    18. Grafeneder-Weissteiner, Theresa & Kubin, Ingrid & Prettner, Klaus & Prskawetz, Alexia & Wrzaczek, Stefan, 2015. "Coping with inefficiencies in a New Economic Geography model: The unintended consequences of policy interventions," Mathematical Social Sciences, Elsevier, vol. 76(C), pages 146-157.
    19. Behrens, Kristian & Murata, Yasusada, 2012. "Trade, competition, and efficiency," Journal of International Economics, Elsevier, vol. 87(1), pages 1-17.
    20. Matteo Cacciatore & Giuseppe Fiori, 2016. "The Macroeconomic Effects of Goods and Labor Marlet Deregulation," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 20, pages 1-24, April.
    21. Theresa Grafeneder-Weissteiner & Ingrid Kubin & Klaus Prettner & Alexia Prskawetz & Stefan Wrzaczek, 2012. "Coping with Inefficiencies in a New Economic Geography Model," VID Working Papers 1204, Vienna Institute of Demography (VID) of the Austrian Academy of Sciences in Vienna.
    22. Cacciatore, Matteo & Fiori, Giuseppe & Ghironi, Fabio, 2015. "The domestic and international effects of euro area market reforms," Research in Economics, Elsevier, vol. 69(4), pages 555-581.
    23. Maria José Gil-Moltó & Dimitrios Varvarigos, 2012. "Industry Dynamics and Indeterminacy in an OLG Economy with Endogenous Occupational Choice," Discussion Papers in Economics 12/09, Department of Economics, University of Leicester, revised Sep 2012.
    24. Opp, Marcus M. & Parlour, Christine A. & Walden, Johan, 2014. "Markup cycles, dynamic misallocation, and amplification," Journal of Economic Theory, Elsevier, vol. 154(C), pages 126-161.
    25. repec:wfo:wstudy:57894 is not listed on IDEAS

    More about this item

    Keywords

    efficiency; Entry; Monopoly power; Optimal fiscal policy; Product creation; Variety; Welfare costs;

    JEL classification:

    • D42 - Microeconomics - - Market Structure, Pricing, and Design - - - Monopoly
    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • E60 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - General
    • H21 - Public Economics - - Taxation, Subsidies, and Revenue - - - Efficiency; Optimal Taxation
    • H32 - Public Economics - - Fiscal Policies and Behavior of Economic Agents - - - Firm
    • L16 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Industrial Organization and Macroeconomics; Macroeconomic Industrial Structure

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