Inter-state dynamics of invention activities, 1930-2000

John Landon-Lane (), Catherine Y. Co () and Myeong-Su Yun ()

Journal of Applied Econometrics, 2006, vol. 21, issue 8, pages 1111-1134

Abstract: 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.

Date: 2006
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Working Paper: Inter-State Dynamics of Invention Activities, 1930-2000 (2005)
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