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On the Measure of Distortions


  • Hugo A. Hopenhayn



The paper considers formally the mapping from distortions to the allocations of resources across firms to aggregate productivity. TFP gaps are characterized as the integral of a strictly concave function with respect to an employment-weighted measure of distortions. Size related distortions are shown to correspond to a mean preserving spread of this measure, explaining the stronger effects on TFP found in the literature. An empirical lower bound on distortions based on size distribution of firms is derived and analyzed. The effect of curvature on the impact and measurement of distortions is also considered.

Suggested Citation

  • Hugo A. Hopenhayn, 2013. "On the Measure of Distortions," 2013 Meeting Papers 189, Society for Economic Dynamics.
  • Handle: RePEc:red:sed013:189

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    References listed on IDEAS

    1. Nezih Guner & Gustavo Ventura & Xu Yi, 2008. "Macroeconomic Implications of Size-Dependent Policies," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 11(4), pages 721-744, October.
    2. Chang-Tai Hsieh & Peter J. Klenow, 2009. "Misallocation and Manufacturing TFP in China and India," The Quarterly Journal of Economics, Oxford University Press, vol. 124(4), pages 1403-1448.
    3. Diego Restuccia & Richard Rogerson, 2008. "Policy Distortions and Aggregate Productivity with Heterogeneous Plants," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 11(4), pages 707-720, October.
    4. Eric Bartelsman & John Haltiwanger & Stefano Scarpetta, 2013. "Cross-Country Differences in Productivity: The Role of Allocation and Selection," American Economic Review, American Economic Association, vol. 103(1), pages 305-334, February.
    5. Francisco J. Buera & Joseph P. Kaboski & Yongseok Shin, 2011. "Finance and Development: A Tale of Two Sectors," American Economic Review, American Economic Association, vol. 101(5), pages 1964-2002, August.
    6. 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.
    7. Robert E. Lucas Jr., 1978. "On the Size Distribution of Business Firms," Bell Journal of Economics, The RAND Corporation, vol. 9(2), pages 508-523, Autumn.
    8. Hopenhayn, Hugo & Rogerson, Richard, 1993. "Job Turnover and Policy Evaluation: A General Equilibrium Analysis," Journal of Political Economy, University of Chicago Press, vol. 101(5), pages 915-938, October.
    9. Banerjee, Abhijit V. & Duflo, Esther, 2005. "Growth Theory through the Lens of Development Economics," Handbook of Economic Growth,in: Philippe Aghion & Steven Durlauf (ed.), Handbook of Economic Growth, edition 1, volume 1, chapter 7, pages 473-552 Elsevier.
    10. Hopenhayn, Hugo A, 1992. "Entry, Exit, and Firm Dynamics in Long Run Equilibrium," Econometrica, Econometric Society, vol. 60(5), pages 1127-1150, September.
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