The Dynamics of Entry and Exit
The relation between profits and the number of firms in a market is one of the essential topics in the field of industrial organization. Usually, the relation is modeled in an error-correction framework where profits and/or the number of firms respond to out-of-equilibrium situations. In an out-of-equilibrium situation one or both of these variables deviate from some long-term sustainable level. These models predict that in situations of equilibrium, the number of firms does not change and hence, entry equals exit. Moreover, in equilibrium entry and exit are expected to be equal to zero. These predictions are at odds with real life observations showing that entry and exit levels are significantly positive in all markets of substantial size and that entry and exit levels often differ drastically. In this paper we develop a new model for the relation between profit levels and the number of firms by specifying not only an equation for the equilibrium level of profits in a market but also equations for the equilibrium levels of entry and exit. In our empirical application we show that our entry and exit equations satisfy the usual errorcorrection conditions. We also find that a one-time positive shock to entry or profits has a small but permanent positive effect on both the number of firms and total industry profits.
|Date of creation:||03 Mar 2009|
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- David B. Audretsch & Roy Thurik & Andre van Stel & M.A. Carree, 2006.
"Does Self-Employment Reduce Unemployment?,"
Papers on Entrepreneurship, Growth and Public Policy
2005-07, Max Planck Institute of Economics, Entrepreneurship, Growth and Public Policy Group.
- André van Stel & Roy Thurik & David Audretsch & Martin Carree, 2007. "Does Self-Employment Reduce Unemployment?," Scales Research Reports H200709, EIM Business and Policy Research.
- André van Stel & Roy Thurik & David Audretsch & Martin Carree, 2005. "Does Self-Employment Reduce Unemployment?," Scales Research Reports N200504, EIM Business and Policy Research.
- A. Roy Thurik & Martin A. Carree & Andre van Stel & David B. Audretsch, 2007. "Does Self-Employment reduce Unemployment?," Jena Economic Research Papers 2007-089, Friedrich-Schiller-University Jena.
- Audretsch, David B & Carree, Martin A & Thurik, A R Roy & van Stel, André, 2005. "Does Self-Employment Reduce Unemployment?," CEPR Discussion Papers 5057, C.E.P.R. Discussion Papers.
- Carree, Martin & Thurik, Roy, 1994.
"The Dynamics of Entry, Exit and Profitability: An Error Correction Approach for the Retail Industry,"
Small Business Economics,
Springer, vol. 6(2), pages 107-16, April.
- Carree, M. & Thutik, R., 1993. "The Dynamics of Entry, Exit and Profitability: An Error Correction Approach for the Retail Industry," Papers 9308-g, Erasmus University of Rotterdam - Institute for Economic Research.
- Schumpeter, Joseph A., 1947. "Theoretical Problems of Economic Growth," The Journal of Economic History, Cambridge University Press, vol. 7(S1), pages 1-9, January.
- Peter Pedroni, 2004.
"Panel Cointegration: Asymptotic and Finite Sample Properties of Pooled Time Series Tests with an Application to the PPP Hypothesis,"
Department of Economics Working Papers
2004-15, Department of Economics, Williams College.
- Pedroni, Peter, 2004. "Panel Cointegration: Asymptotic And Finite Sample Properties Of Pooled Time Series Tests With An Application To The Ppp Hypothesis," Econometric Theory, Cambridge University Press, vol. 20(03), pages 597-625, June.
- Pasaran, M.H. & Im, K.S. & Shin, Y., 1995.
"Testing for Unit Roots in Heterogeneous Panels,"
Cambridge Working Papers in Economics
9526, Faculty of Economics, University of Cambridge.
- Choi, In, 2001. "Unit root tests for panel data," Journal of International Money and Finance, Elsevier, vol. 20(2), pages 249-272, April.
- Maddala, G S & Wu, Shaowen, 1999. " A Comparative Study of Unit Root Tests with Panel Data and a New Simple Test," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 61(0), pages 631-52, Special I.
- Pedroni, Peter, 1999.
" Critical Values for Cointegration Tests in Heterogeneous Panels with Multiple Regressors,"
Oxford Bulletin of Economics and Statistics,
Department of Economics, University of Oxford, vol. 61(0), pages 653-70, Special I.
- Peter Pedroni, 1999. "Critical Values for Cointegration Tests in Heterogeneous Panels with Multiple Regressors," Department of Economics Working Papers 2000-02, Department of Economics, Williams College.
- Levin, Andrew & Lin, Chien-Fu & James Chu, Chia-Shang, 2002.
"Unit root tests in panel data: asymptotic and finite-sample properties,"
Journal of Econometrics,
Elsevier, vol. 108(1), pages 1-24, May.
- Tom Doan, . "LEVINLIN: RATS procedure to perform Levin-Lin-Chu test for unit roots in panel data," Statistical Software Components RTS00242, Boston College Department of Economics.
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