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The Replacement Problem In Frictional Economies: A Near-Equivalence Result

Author

Listed:
  • Andreas Hornstein

    (Federal Reserve Bank of Richmond.)

  • Per Krusell

    (Princeton University and Institute for International Economic Studies.)

  • Giovanni L. Violante

    (New York University)

Abstract

We examine how technological change affects wage inequality and unemployment in a cali-brated model of matching frictions in the labor market. We distinguish between two polar cases studied in the literature: a "creative destruction" economy, where new machines enter chiefly through new matches and an "upgrading" economy, where machines in existing matches are replaced by new machines. Our main results are: (i) these two economies produce very similar quantitative outcomes, and (ii) the total amount of wage inequality generated by frictions is very small. We explain these findings in light of the fact that, in the model calibrated to the US economy, both unemployment and vacancy durations are very short, i.e., the matching frictions are quantitatively minor. Hence, the equilibrium allocations of the model are remarkably close to those of a frictionless version of our economy where firms are indifferent between upgrading and creative destruction, and where every worker is paid the same market-clearing wage. These results are robust to the inclusion of machine-specific or match-specific heterogeneity into the benchmark model. (JEL: J41, J64, O33) Copyright (c) 2005 by the European Economic Association.

Suggested Citation

  • Andreas Hornstein & Per Krusell & Giovanni L. Violante, 2005. "The Replacement Problem In Frictional Economies: A Near-Equivalence Result," Journal of the European Economic Association, MIT Press, vol. 3(5), pages 1007-1057, September.
    • Handle: RePEc:tpr:jeurec:v:3:y:2005:i:5:p:1007-1057
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    Citations

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    Cited by:

    1. Canova, Fabio & Michelacci, Claudio & López-Salido, J David, 2007. "The Labour Market Effects of Technology Shocks," CEPR Discussion Papers 6365, C.E.P.R. Discussion Papers.
    2. Fabio Canova & David Lopez-Salido & Claudio Michelacci, 2009. "The ins and outs of unemployment: An analysis conditional on technology shocks," Economics Working Papers 1213, Department of Economics and Business, Universitat Pompeu Fabra, revised Jan 2012.
    3. Kudoh, Noritaka & Miyamoto, Hiroaki, 2025. "Robots, AI, and unemployment," Journal of Economic Dynamics and Control, Elsevier, vol. 174(C).
    4. Costain, James S. & Reiter, Michael, 2008. "Business cycles, unemployment insurance, and the calibration of matching models," Journal of Economic Dynamics and Control, Elsevier, vol. 32(4), pages 1120-1155, April.
    5. Chen, Been-Lon & Hsu, Mei & Lai, Chih-Fang, 2016. "Relation between growth and unemployment in a model with labor-force participation and adverse labor institutions," Journal of Macroeconomics, Elsevier, vol. 50(C), pages 273-292.
    6. Andreas Hornstein & Per Krusell & Giovanni L. Violante, 2007. "Technology—Policy Interaction in Frictional Labour-Markets," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 74(4), pages 1089-1124.
    7. Fabio Canova & David Lopez-Salido & Claudio Michelacci, 2006. "Schumpeterian technology shocks," Economics Working Papers 1012, Department of Economics and Business, Universitat Pompeu Fabra, revised Nov 2007.
    8. Hairault, Jean-Olivier & Zhutova, Anastasia, 2018. "The cyclicality of labor-market flows: A multiple-shock approach," European Economic Review, Elsevier, vol. 103(C), pages 150-172.
    9. Jean-Baptiste Michau, 2013. "Creative Destruction with On-the-Job Search," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 16(4), pages 691-707, October.

    More about this item

    JEL classification:

    • J41 - Labor and Demographic Economics - - Particular Labor Markets - - - Labor Contracts
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes

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