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The Life Cycle of a Competitive Industry

  • Jovanovic, B.
  • MacDonald, G.

Firm numbers first rise, and then fall as the typical industry evolves. This nonmonotonicity in the number of producers is explained in this paper using a competitive model in which innovation opportunities induce firms to enter, but in which a firm's failure to implement new technology causes it to exit. The model is estimated with data from the U.S. Automobile Tire Industry, a particularly dramatic example of the nonmonotonicity in firm numbers: A big shakeout took place during the 1920s. The number of automobiles sold in the U.S. does not appear to explain this shakeout. Instead, the data point to the invention of the Banbury mixer in 1916 as the event that caused the big exit wave. There were, of course, other major inventions in the tire industry, but none seems to have raised the optimal scale of its adopters by enough to cause further shakeouts.

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Paper provided by C.V. Starr Center for Applied Economics, New York University in its series Working Papers with number 93-34.

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Length: 30 pages
Date of creation: 1993
Date of revision:
Handle: RePEc:cvs:starer:93-34
Contact details of provider: Postal: C.V. Starr Center, Department of Economics, New York University, 19 W. 4th Street, 6th Floor, New York, NY 10012
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Order Information: Postal: C.V. Starr Center, Department of Economics, New York University, 19 W. 4th Street, 6th Floor, New York, NY 10012

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  1. Jovanovic, Boyan & MacDonald, Glenn M, 1994. "The Life Cycle of a Competitive Industry," Journal of Political Economy, University of Chicago Press, vol. 102(2), pages 322-47, April.
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