Eventually, noise and imitation implies balanced growth
This paper adds imitation by incumbent firms, and not just by new entrants, to the model of selection and growth developed in Luttmer . Noisy firm-level innovation and imitation give rise to a long-run growth rate that exceeds the average rate at which individual firms innovate. It can be shown, in simple examples, that the economy converges to a long-run balanced growth path from compactly supported initial productivity distributions. The right tail of the stationary distribution of de-trended productivity is approximately Pareto. The tail index of this distribution depends on the rate at which incumbents are able to imitate only indirectly, through general equilibrium effects of this parameter on the equilibrium growth rate.
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- Zilibotti, Fabrizio & König, Michael & Lorenz, Jan, 2016.
"Innovation vs. imitation and the evolution of productivity distributions,"
Econometric Society, vol. 11(3), September.
- König, Michael & Lorenz, Jan & Zilibotti, Fabrizio, 2012. "Innovation vs imitation and the evolution of productivity distributions," CEPR Discussion Papers 8843, C.E.P.R. Discussion Papers.
- Michael Koenig & Jan Lorenz & Fabrizio Zilibotti, 2012. "Innovation vs. Imitation and the Evolution of Productivity Distributions," Discussion Papers 11-008, Stanford Institute for Economic Policy Research.
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- Satyajit Chatterjee & Esteban Rossi-Hansberg, 2007. "Spin-offs and the Market for Ideas," NBER Working Papers 13198, National Bureau of Economic Research, Inc.
- Satyajit Chatterjee & Esteban Rossi-Hansberg, 2007. "Spin-offs and the market for ideas," Working Papers 07-15, Federal Reserve Bank of Philadelphia.
- Robert E. Lucas Jr. & Benjamin Moll, 2014. "Knowledge Growth and the Allocation of Time," Journal of Political Economy, University of Chicago Press, vol. 122(1), pages 1-51.
- Benjamin Moll & Robert E. Lucas, 2011. "Knowledge Growth and the Allocation of Time," 2011 Meeting Papers 1030, Society for Economic Dynamics.
- Robert E. Lucas, Jr. & Benjamin Moll, 2011. "Knowledge Growth and the Allocation of Time," NBER Working Papers 17495, National Bureau of Economic Research, Inc.
- Fernando E. Alvarez & Francisco J. Buera & Robert E. Lucas, Jr., 2008. "Models of Idea Flows," NBER Working Papers 14135, National Bureau of Economic Research, Inc.
- Jesse Perla & Christopher Tonetti, 2014. "Equilibrium Imitation and Growth," Journal of Political Economy, University of Chicago Press, vol. 122(1), pages 52-76.
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