Abstract

http://ssrn.com/abstract=1588462
 
 

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Increasing Returns to Scale, Price Dispersion, and the Distribution of Returns to Innovation


Michael D. Makowsky


Johns Hopkins University - Department of Emergency Medicine, Center for Advanced Modeling in the Social, Behavioral, and Health Sciences; Hopkins Population Center

David M. Levy


George Mason University - Center for Study of Public Choice

January 3, 2013


Abstract:     
Models of endogenous growth have not been able to account for the variety of empirically observed distributional properties of the returns to innovation, in part, because of the limitations necessarily imposed on competition to cope with increasing returns to scale. Exponential growth, fat tails, Pareto-Levy distributed upper tails, and upper value outliers, are associated with increasing returns to scale and innovation. At the same time, properties such as bifurcated research investment strategies, bimodal returns to innovation, and Laplace distributed firm growth rates are products of competition. We build an agent-based model of endogenous technical change in which heterogeneous investments in patented knowledge and increasing returns to scale emerge these distributional properties within a competitive market. The combination of heterogeneous agents, costly information, and patents allow for a competitive landscape to persist amidst increasing returns. The ability of model to foster a coexistence of competition and increasing returns underlies the observed distributional properties.

Number of Pages in PDF File: 39

Keywords: Patents, Endogenous Growth, Increasing Returns to Scale, Price Dispersion, Search, Heterogeneous Agents

JEL Classification: C63, L11, O33, D83

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Date posted: April 15, 2010 ; Last revised: January 4, 2013

Suggested Citation

Makowsky, Michael D. and Levy, David M., Increasing Returns to Scale, Price Dispersion, and the Distribution of Returns to Innovation (January 3, 2013). Available at SSRN: http://ssrn.com/abstract=1588462 or http://dx.doi.org/10.2139/ssrn.1588462

Contact Information

Michael D. Makowsky (Contact Author)
Johns Hopkins University - Department of Emergency Medicine, Center for Advanced Modeling in the Social, Behavioral, and Health Sciences ( email )
Davis Building, Suite 3220
5801 Smith Avenue
Baltimore, MD 21209
United States
Hopkins Population Center ( email )
Baltimore, MD 21218
United States
David M. Levy
George Mason University - Center for Study of Public Choice ( email )
MSN 1d3 Carow Hall
4400 University
Fairfax, VA 22030
United States
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