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Marże monopolistyczne i przychody skali w gospodarce polskiej
[Monopolistic markups and returns to scale in the Polish economy]


  • Gradzewicz, Michal
  • Hagemejer, Jan


This article estimates returns to scale and monopolistic markups on a large sample of Polish firms in the manufacturing and services sectors during 1996-2004. Methodology based on instrumental variables allows joint estimation of both, scale elasticities as well as markups, while the unobserved changes in firm-specific productivities are under control. Results show significant and positive markups in the aggregate manufacturing sector and in several narrowly defined industries. Returns to scale vary, but they are more pronounced in manufacturing, than in service sectors. Markups in service sector are lower than expected. Sensitivity analysis suggests sufficient overall stability of results.

Suggested Citation

  • Gradzewicz, Michal & Hagemejer, Jan, 2007. "Marże monopolistyczne i przychody skali w gospodarce polskiej
    [Monopolistic markups and returns to scale in the Polish economy]
    ," MPRA Paper 46496, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:46496

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    References listed on IDEAS

    1. Klette, Tor Jakob, 1999. "Market Power, Scale Economies and Productivity: Estimates from a Panel of Establishment Data," Journal of Industrial Economics, Wiley Blackwell, vol. 47(4), pages 451-476, December.
    2. D. W. Jorgenson & Z. Griliches, 1967. "The Explanation of Productivity Change," Review of Economic Studies, Oxford University Press, vol. 34(3), pages 249-283.
    3. Hall, Robert E, 1988. "The Relation between Price and Marginal Cost in U.S. Industry," Journal of Political Economy, University of Chicago Press, vol. 96(5), pages 921-947, October.
    4. Konings, Jozef & Vandenbussche, Hylke, 2005. "Antidumping protection and markups of domestic firms," Journal of International Economics, Elsevier, vol. 65(1), pages 151-165, January.
    5. Roeger, Werner, 1995. "Can Imperfect Competition Explain the Difference between Primal and Dual Productivity Measures? Estimates for U.S. Manufacturing," Journal of Political Economy, University of Chicago Press, vol. 103(2), pages 316-330, April.
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    Cited by:

    1. Tyrowicz, Joanna, 2009. "When Eastern Labour Markets Enter Western Europe CEECs. Labour Market Institutions upon Euro Zone Accession," MPRA Paper 15045, University Library of Munich, Germany.
    2. Monika Lewandowska – Kalina, 2013. "Productivity dispersion and misallocation of resources: evidence from Polish industries," Working Papers 66, Department of Applied Econometrics, Warsaw School of Economics.
    3. Jakub Growiec, 2009. "Determinants of the Labor Share: Evidence from a Panel of Firms," NBP Working Papers 69, Narodowy Bank Polski, Economic Research Department.

    More about this item


    Poland; returns to scale; monopolistic markups; sectoral returns to scale and markups;

    JEL classification:

    • L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General
    • L6 - Industrial Organization - - Industry Studies: Manufacturing


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