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Research Cycles

  • Bramoullé, Yann
  • Saint-Paul, Gilles

This paper studies the dynamics of fundamental research. We develop a simple model where researchers allocate their effort between improving existing fields and inventing new ones. A key assumption is that scientists derive utility from recognition from other scientists. We show that the economy can be either in a regime where new fields are constantly invented, and then converges to a steady state, or in a cyclical regime where periods of innovation alternate with periods of exploitation. We characterize the cyclical dynamics of the economy, show that indeterminacy may appear, and establish some comparative statics and welfare implications.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 6075.

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Date of creation: Feb 2007
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Handle: RePEc:cpr:ceprdp:6075
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  1. Jovanovic, B. & Nyarko, Y., 1996. "Learning by Doing and the Choice of Technology," Working Papers 96-25, C.V. Starr Center for Applied Economics, New York University.
  2. Michele Boldrin & David K. Levine, 2005. "The economics of ideas and intellectual property," Staff Report 357, Federal Reserve Bank of Minneapolis.
  3. Boyan Jovanovic & Rafael Rob, 1990. "Long Waves and Short Waves: Growth Through Intensive and Extensive Search," Levine's Working Paper Archive 2082, David K. Levine.
  4. Partha, Dasgupta & David, Paul A., 1994. "Toward a new economics of science," Research Policy, Elsevier, vol. 23(5), pages 487-521, September.
  5. Shleifer, Andrei, 1986. "Implementation Cycles," Journal of Political Economy, University of Chicago Press, vol. 94(6), pages 1163-90, December.
  6. Arthur M. Diamond Jr., 1986. "What is a Citation Worth?," Journal of Human Resources, University of Wisconsin Press, vol. 21(2), pages 200-215.
  7. Paula E. Stephan, 1996. "The Economics of Science," Journal of Economic Literature, American Economic Association, vol. 34(3), pages 1199-1235, September.
  8. William A. Brock & Steven N. Durlauf, 1999. "A formal model of theory choice in science," Economic Theory, Springer, vol. 14(1), pages 113-130.
  9. Matsuyama, Kiminori, 1996. "Growing Through Cycles," Economics Series 40, Institute for Advanced Studies.
  10. Sanjeev Goyal & Marco van der Leij & José Luis Moraga-Gonzàlez, 2004. "Economics: An Emerging Small World?," Working Papers 2004.84, Fondazione Eni Enrico Mattei.
  11. Acemoglu, Daron, 1997. "Why Do New Technologies Complement Skills? Directed Technical Change and Wage Inequality," CEPR Discussion Papers 1707, C.E.P.R. Discussion Papers.
  12. Black, Fischer & Scholes, Myron S, 1972. "The Valuation of Option Contracts and a Test of Market Efficiency," Journal of Finance, American Finance Association, vol. 27(2), pages 399-417, May.
  13. Levin, Sharon G & Stephan, Paula E, 1991. "Research Productivity over the Life Cycle: Evidence for Academic Scientists," American Economic Review, American Economic Association, vol. 81(1), pages 114-32, March.
  14. Carmichael, H Lorne, 1988. "Incentives in Academics: Why Is There Tenure?," Journal of Political Economy, University of Chicago Press, vol. 96(3), pages 453-72, June.
  15. Aghion, Philippe & Howitt, Peter, 1996. " Research and Development in the Growth Process," Journal of Economic Growth, Springer, vol. 1(1), pages 49-73, March.
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