Market Structure and Schumpeterian Growth

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Market Structure and Schumpeterian Growth

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Kerk Phillips & Val Lambson

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Abstract

We present a discrete-time version of an otherwise standard Schumpeterian growth model. Discrete time exhibits two important differences from continuous time. First, the probability of successful innovation cannot be homogeneous of degree one in inputs. A natural R&D analogue to constant returns to scale implies a Poisson production function with diminishing marginal product of inputs. Second, R&D firms sometimes innovate simultaneously. The resulting market conduct is critical. We consider both Bertrand competition and collusion among successful innovators. Surprisingly, the industry demand for R&D inputs does not depend on the number of firms in the R&D sector if Bertrand competition ensues following ties. In contrast, demand for R&D inputs is higher if ties are expected to result in collusion. In general equilibrium, Bertrand competition leads to random switching between monopoly and competitive production. Under collusion, production is always at the monopoly level, but there is faster growth. Numerical simulations suggest that this also leads to higher welfare.

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Paper provided by Econometric Society in its series Econometric Society 2004 Far Eastern Meetings with number 490.

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Date of creation: 11 Aug 2004
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Handle: RePEc:ecm:feam04:490

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Article
- Lambson, Val E. & Phillips, Kerk L., 2007. "Market structure and Schumpeterian growth," Journal of Economic Behavior & Organization, Elsevier, vol. 62(1), pages 47-62, January. [Downloadable!] (restricted)

Find related papers by JEL classification:
L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
O31 - Economic Development, Technological Change, and Growth - - Technological Change - - - Innovation and Invention: Processes and Incentives
O40 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General

This paper has been announced in the following NEP Reports:

NEP-ALL-2004-10-30 (All new papers)
NEP-COM-2004-10-30 (Industrial Competition)

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

Phillips, Kerk L., 1993. "Quality ladders, growth, and R&D: an assessment from U.S. industry," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 38(1), pages 239-273, June. [Downloadable!] (restricted)
Robert E. Hall, 1988. "The Relation Between Price and Marginal Cost in U.S. Industry," NBER Working Papers 1785, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
Segerstrom, Paul S & Anant, T C A & Dinopoulos, Elias, 1990. "A Schumpeterian Model of the Product Life Cycle," American Economic Review, American Economic Association, vol. 80(5), pages 1077-91, December. [Downloadable!] (restricted)
Hall, Robert E, 1988. "The Relation between Price and Marginal Cost in U.S. Industry," Journal of Political Economy, University of Chicago Press, vol. 96(5), pages 921-47, October. [Downloadable!] (restricted)
Gene M. Grossman & Elhanan Helpman, 1991. "Quality Ladders in the Theory of Growth," NBER Working Papers 3099, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
Other versions:
- Grossman, G.M. & Helpman, E., 1989. "Quality Ledders In The Theory Of Growth," Papers 148, Princeton, Woodrow Wilson School - Public and International Affairs.
- Grossman, Gene M & Helpman, Elhanan, 1991. "Quality Ladders in the Theory of Growth," Review of Economic Studies, Blackwell Publishing, vol. 58(1), pages 43-61, January. [Downloadable!] (restricted)
Deissenberg, Christophe & Nyssen, Jules, 1998. "A simple model of Schumpeterian growth with complex dynamics," Journal of Economic Dynamics and Control, Elsevier, vol. 22(2), pages 247-266, February. [Downloadable!] (restricted)
Other versions:
- Deissenberg, C & Nyssen, J., 1997. "A Simple Model of Schumpeterian Growth with Complex Dynamics," G.R.E.Q.A.M. 97a01, Universite Aix-Marseille III.
Aghion, Philippe & Howitt, Peter, 1992. "A Model of Growth through Creative Destruction," Econometrica, Econometric Society, vol. 60(2), pages 323-51, March. [Downloadable!] (restricted)
Other versions:
- Aghion, P. & Howitt, P., 1990. "A Model Of Growth Through Creative Destruction," DELTA Working Papers 90-12, DELTA (Ecole normale supérieure).
- Aghion, P. & Howitt, P., 1989. "A Model Of Growth Through Creative Destruction," UWO Department of Economics Working Papers 8904, University of Western Ontario, Department of Economics.
- Philippe Aghion & Peter Howitt, 1990. "A Model of Growth Through Creative Destruction," NBER Working Papers 3223, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
- Aghion, P. & Howitt, P., 1989. "A Model Of Growth Through Creative Destruction," Working papers 527, Massachusetts Institute of Technology (MIT), Department of Economics.

Full references

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(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

Cecilia García-Peñalosa & Jean-François Wen, 2008. "Redistribution and entrepreneurship with Schumpeterian growth," Journal of Economic Growth, Springer, vol. 13(1), pages 57-80, March. [Downloadable!] (restricted)
Ryo Horii & Tatsuro Iwaisako, 2005. "Economic Growth with Imperfect Protection of Intellectual Property Rights," Discussion Papers in Economics and Business 05-23-Rev., Osaka University, Graduate School of Economics and Osaka School of International Public Policy (OSIPP), revised Apr 2006. [Downloadable!]
Other versions:
- Ryo Horii & Tatsuro Iwaisako, 2005. "Economic Growth with Imperfect Protection of Intellectual Property Rights," Discussion Papers in Economics and Business 05-23, Osaka University, Graduate School of Economics and Osaka School of International Public Policy (OSIPP).
- Ryo Horii & Tatsuro Iwaisako, 2005. "Economic Growth with Imperfect Protection of Intellectual Property Rights," Development and Comp Systems 0508001, EconWPA. [Downloadable!]
- Ryo Horii & Tatsuro Iwaisako, 2007. "Economic Growth with Imperfect Protection of Intellectual Property Rights," Journal of Economics, Springer, vol. 90(1), pages 45-85, January. [Downloadable!] (restricted)
Cecilia Garcia-Peñalosa & Jean-François Wen, 2004. "Redistribution and Occupational Choice in a Schumpeterian Growth Model," CESifo Working Paper Series CESifo Working Paper No. , CESifo Group Munich. [Downloadable!]

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