A computational model of economies of scale and market share instability
Replicator dynamics and computer simulation techniques are used to construct a reduced form model which explores negative and positive feedback processes between firm costs and market shares embodied in the dynamics of (dis)economies of scale. After reproducing the standard equilibrium results for decreasing returns to scale (unique equilibrium) and increasing returns to scale (multiple equilibrium) a more dynamic formulation of returns to scale is introduced where scale affects not the direction of costs but the rate of cost reduction. Here we find that negative feedback does not produce self-correcting stabilizing forces in market shares but rather instability and turbulence. Life-cycle phenomena are explored by combining positive and negative feedback in a firm's cost function. The alternating periods of market share stability and instability which emerge from the simulations are compared to empirical regularities in market share patterns.
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- Geroski, P A, 1990. "Innovation, Technological Opportunity, and Market Structure," Oxford Economic Papers, Oxford University Press, vol. 42(3), pages 586-602, July.
- Mariana Mazzucato & Willi Semmler, 1999. "Market share instability and stock price volatility during the industry life-cycle: the US automobile industry," Journal of Evolutionary Economics, Springer, vol. 9(1), pages 67-96.
- Jovanovic, Boyan & MacDonald, Glenn M, 1994.
Journal of Political Economy,
University of Chicago Press, vol. 102(1), pages 24-52, February.
- Boyan Jovanovic & Glenn MacDonald, 1993. "Competitive Diffusion," NBER Working Papers 4463, National Bureau of Economic Research, Inc.
- Macdonald, G.M., 1988. "Competitive Diffusion," University of Chicago - Economics Research Center 88-10, Chicago - Economics Research Center.
- Jovanovic, Boyan & MacDonald, Glenn M., 1988. "Competitive Diffusion," Working Papers 88-29, C.V. Starr Center for Applied Economics, New York University.
- Jovanovic, B. & MacDonald, G.M., 1991. "Competitive Diffusion," Papers 92-08, Rochester, Business - Financial Research and Policy Studies.
- Jovanovic, B. & Macdonald, G.M., 1988. "Competitive Diffusion," RCER Working Papers 160, University of Rochester - Center for Economic Research (RCER).
- Malerba, Franco & Orsenigo, Luigi, 1996. "The Dynamics and Evolution of Industries," Industrial and Corporate Change, Oxford University Press, vol. 5(1), pages 51-87.
- Geroski, Paul A & Machin, Stephen & Walters, Christopher F, 1997. "Corporate Growth and Profitability," Journal of Industrial Economics, Wiley Blackwell, vol. 45(2), pages 171-89, June.
- Rothblum, Uriel G. & Winter, Sidney G., 1985. "Asymptotic behavior of market shares for a stochastic growth model," Journal of Economic Theory, Elsevier, vol. 36(2), pages 352-366, August.
- Krugman, Paul R., 1979. "Increasing returns, monopolistic competition, and international trade," Journal of International Economics, Elsevier, vol. 9(4), pages 469-479, November.
- Kamien, Morton I & Schwartz, Nancy L, 1975. "Market Structure and Innovation: A Survey," Journal of Economic Literature, American Economic Association, vol. 13(1), pages 1-37, March.
- Lunn, John E, 1986. "An Empirical Analysis of Process and Product Patenting: A Simultaneous Equation Framework," Journal of Industrial Economics, Wiley Blackwell, vol. 34(3), pages 319-30, March.
- Pavitt, Keith, 1984. "Sectoral patterns of technical change: Towards a taxonomy and a theory," Research Policy, Elsevier, vol. 13(6), pages 343-373, December.
- Acs, Zoltan J & Audretsch, David B, 1987. "Innovation, Market Structure, and Firm Size," The Review of Economics and Statistics, MIT Press, vol. 69(4), pages 567-74, November.
- Jacquemin, Alexis P & Berry, Charles H, 1979. "Entropy Measure of Diversification and Corporate Growth," Journal of Industrial Economics, Wiley Blackwell, vol. 27(4), pages 359-69, June.
- David, Paul A, 1985. "Clio and the Economics of QWERTY," American Economic Review, American Economic Association, vol. 75(2), pages 332-37, May.
- Metcalfe, J S, 1994. "Competition, Fisher's Principle and Increasing Returns in the Selection Process," Journal of Evolutionary Economics, Springer, vol. 4(4), pages 327-46, November.
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