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Inter-state dynamics of invention activities, 1930-2000

  • John S. Landon-Lane

    (Department of Economics, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA)

  • Catherine Y. Co

    (Department of Economics, University of Nebraska at Omaha, Omaha, NE, USA)

  • Myeong-Su Yun

    (Department of Economics, Tulane University, New Orleans, LA, USA)

We study the dynamics of the cross-section distribution of patents per capita for the 48 continental US states from 1930 to 2000 using a discrete-state Markov chain. We test for and find evidence in favor of the (knowledge) convergence hypothesis. The distribution of patents is converging to a limiting distribution that is significantly more concentrated than its initial distribution. States in the extreme are more mobile than states in the middle of the cross-sectional distribution and are likely to move to the middle. However, the rate of convergence to the limiting distribution is 'slow'. Copyright © 2006 John Wiley & Sons, Ltd.

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File URL: http://hdl.handle.net/10.1002/jae.909
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File URL: http://qed.econ.queensu.ca:80/jae/2006-v21.8/
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Article provided by John Wiley & Sons, Ltd. in its journal Journal of Applied Econometrics.

Volume (Year): 21 (2006)
Issue (Month): 8 ()
Pages: 1111-1134

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Handle: RePEc:jae:japmet:v:21:y:2006:i:8:p:1111-1134
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  1. Catherine Co & Mark Wohar, 2004. "Technological convergence among US regions and states," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 13(2), pages 101-126.
  2. Samuel Kortum & Josh Lerner, 1997. "Stronger Protection or Technological Revolution: What is Behind the Recent Surge in Patenting?," NBER Working Papers 6204, National Bureau of Economic Research, Inc.
  3. Kenneth L. Sokoloff, 1988. "Inventive Activity in Early Industrial America: Evidence From Patent Records, 1790 - 1846," NBER Working Papers 2707, National Bureau of Economic Research, Inc.
  4. Moshe Buchinsky & Jennifer Hunt, 1996. "Wage Mobility in the United States," NBER Working Papers 5455, National Bureau of Economic Research, Inc.
  5. Quah, Danny, 1993. " Galton's Fallacy and Tests of the Convergence Hypothesis," Scandinavian Journal of Economics, Wiley Blackwell, vol. 95(4), pages 427-43, December.
  6. Audretsch, David B & Feldman, Maryann P, 1996. "R&D Spillovers and the Geography of Innovation and Production," American Economic Review, American Economic Association, vol. 86(3), pages 630-40, June.
  7. Popp David & Juhl Ted & Johnson Daniel K.N., 2004. "Time In Purgatory: Examining the Grant Lag for U.S. Patent Applications," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 4(1), pages 1-45, November.
  8. Carlino, Gerald A. & Mills, Leonard O., 1993. "Are U.S. regional incomes converging? : A time series analysis," Journal of Monetary Economics, Elsevier, vol. 32(2), pages 335-346, November.
  9. Hall, Bronwyn H & Griliches, Zvi & Hausman, Jerry A, 1986. "Patents and R and D: Is There a Lag?," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 27(2), pages 265-83, June.
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