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The Non-Convexity Issues in a Limited-Commitment Economy

  • Christian Calmès

    ()

    (Département des sciences administratives, Université du Québec (Outaouais), et LRSP)

  • Raymond Théoret

    ()

    (Département de stratégie des affaires, Université du Québec (Montréal), et Chaire d'information financière et organisationnelle)

After reviewing some basic self-enforcing labour contracts models, we expose how self-enforcing labour market theory can help explain some important dynamic properties of key macroeconomic variables. Calmès (1999, 2003) detail how self-enforcing labour contracts improve the way macroeconomic models account for the response of the economy to external shocks. The introduction of a state-dependent outside opportunity for the manager is the first step in generalizing the theory (Calmès 2007, Thomas and Worrall 2007). In this paper, we discuss the next step, the endogenization of capital. Although desirable, this task is not straightforward as the contract set might no longer be compact in this case. Relatedly, we also discuss the introduction of a third agent (the financial intermediary) in the model. We also analyse the link between stationarity and set convexity when incorporating growth in the model. A stochastic trend may be considered but then the non-convexity issue arises again. The aggregation of heterogeneous individual contracts can also lead to the same problem.

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Paper provided by Département des sciences administratives, UQO in its series RePAd Working Paper Series with number UQO-DSA-wp012009.

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Length: 41 pages
Date of creation: 05 Jan 2009
Date of revision:
Handle: RePEc:pqs:wpaper:012009
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  1. S. Rebelo., 2010. "Real Business Cycle Models: Past, Present, and Future," VOPROSY ECONOMIKI, N.P. Redaktsiya zhurnala "Voprosy Economiki", vol. 10.
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  4. Paul J. Devereux & Robert A. Hart, 2005. "The spot market matters : evidence on implicit contracts from Britain," Open Access publications 10197/741, School of Economics, University College Dublin.
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  6. Sherwin Rosen, 1985. "Implicit Contracts: A Survey," NBER Working Papers 1635, National Bureau of Economic Research, Inc.
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  8. Kim, H Youn, 1993. "Frisch Demand Functions and Intertemporal Substitution in Consumption," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 25(3), pages 445-54, August.
  9. Rotemberg, Julio J & Woodford, Michael, 1996. "Real-Business-Cycle Models and the Forecastable Movements in Output, Hours, and Consumption," American Economic Review, American Economic Association, vol. 86(1), pages 71-89, March.
  10. Michele Boldrin & Michael Horvath, 1994. "Labor Contracts and Business Cycles," Discussion Papers 1068, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  11. Jean-Pierre DANTHINE & John B. DONALDSON, 1991. "Risk Sharing in the Business Cycle," Cahiers de Recherches Economiques du Département d'Econométrie et d'Economie politique (DEEP) 9109, Université de Lausanne, Faculté des HEC, DEEP.
  12. Beaudry, Paul & DiNardo, John, 1991. "The Effect of Implicit Contracts on the Movement of Wages over the Business Cycle: Evidence from Micro Data," Journal of Political Economy, University of Chicago Press, vol. 99(4), pages 665-88, August.
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  15. King, Robert G. & Plosser, Charles I. & Rebelo, Sergio T., 1988. "Production, growth and business cycles : I. The basic neoclassical model," Journal of Monetary Economics, Elsevier, vol. 21(2-3), pages 195-232.
  16. Timothy Cogley & James M. Nason, 1993. "Output dynamics in real business cycle models," Working Papers in Applied Economic Theory 93-10, Federal Reserve Bank of San Francisco.
  17. Greenwood, Jeremy & Hercowitz, Zvi & Huffman, Gregory W, 1988. "Investment, Capacity Utilization, and the Real Business Cycle," American Economic Review, American Economic Association, vol. 78(3), pages 402-17, June.
  18. Azariadis, Costas, 1975. "Implicit Contracts and Underemployment Equilibria," Journal of Political Economy, University of Chicago Press, vol. 83(6), pages 1183-1202, December.
  19. Paul Beaudry & John DiNardo, 1995. "Is the Behavior of Hours Worked Consistent with Implicit Contract Theory?," The Quarterly Journal of Economics, Oxford University Press, vol. 110(3), pages 743-768.
  20. Martin Neil Baily, 1974. "Wages and Employment under Uncertain Demand," Review of Economic Studies, Oxford University Press, vol. 41(1), pages 37-50.
  21. Gordon, Donald F, 1974. "A Neo-Classical Theory of Keynesian Unemployment," Economic Inquiry, Western Economic Association International, vol. 12(4), pages 431-59, December.
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