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Productivity Dispersion: Facts, Theory, and Implications

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Listed:
  • Hideaki Aoyama
  • Hiroshi Yoshikawa
  • Hiroshi Iyetomi
  • Yoshi Fujiwara

Abstract

We study productivity dispersions across workers, firms and industrial sectors. Empirical study of the Japanese data shows that they all obey the Pareto law, and also that the Pareto index decreases with the level of aggregation. In order to explain these two stylized facts, we propose a theoretical framework built upon the basic principle of statistical physics. In this framework, we employ the concept of superstatistics which accommodates fluctuations of aggregate demand.

Suggested Citation

  • Hideaki Aoyama & Hiroshi Yoshikawa & Hiroshi Iyetomi & Yoshi Fujiwara, 2008. "Productivity Dispersion: Facts, Theory, and Implications," Papers 0805.2792, arXiv.org.
  • Handle: RePEc:arx:papers:0805.2792
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    File URL: http://arxiv.org/pdf/0805.2792
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    References listed on IDEAS

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    1. Fay, Jon A & Medoff, James L, 1985. "Labor and Output over the Business Cycle: Some Direct Evidence," American Economic Review, American Economic Association, vol. 75(4), pages 638-655, September.
    2. Xavier Gabaix, 2011. "The Granular Origins of Aggregate Fluctuations," Econometrica, Econometric Society, vol. 79(3), pages 733-772, May.
    3. Steven J. Davis & John C. Haltiwanger & Scott Schuh, 1998. "Job Creation and Destruction," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262540932, January.
    4. Tobin, James, 1972. "Inflation and Unemployment," American Economic Review, American Economic Association, vol. 62(1), pages 1-18, March.
    5. Arthur M. Okun, 1973. "Upward Mobility in a High-Pressure Economy," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 4(1), pages 207-262.
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    Cited by:

    1. Aoki, Masanao & Yoshikawa, Hiroshi, 2009. "The nature of equilibrium in macroeconomics: A critique of equilibrium search theory," Economics - The Open-Access, Open-Assessment E-Journal, Kiel Institute for the World Economy (IfW), vol. 3, pages 1-9.

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