The Effects of the Length of the Period of Commitment on the Size of Stable International Environmental Agreements
This paper extends the standard model of self-enforcing dynamic international environmental agreements by allowing the length of the period of commitment of such agreements to vary as a parameter. It analyzes the pattern of behavior of the size of stable coalitions, the stock of pollutant and the emission rate as a function of the length of the period of commitment. It is shown that the length of the period of commitment can have very significant effects on the equilibrium. Three distinct intervals for the length of the period of commitment are identified, across which the equilibrium and its dynamic behavior differ considerably. Whereas for sufficiently high values of the period of commitment only self-enforcing agreements of two countries are possible, for sufficiently low such values full cooperation can be generated. Lengths of periods of commitment between those two thresholds are characterized by an inverse relationship between the length of commitment and the membership size of the agreement. This suggests that considerable attention should be given to the determination of the length of such international agreements.
|Date of creation:||2010|
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- Rubio, Santiago J. & Ulph, Alistair, 2007.
"An infinite-horizon model of dynamic membership of international environmental agreements,"
Journal of Environmental Economics and Management,
Elsevier, vol. 54(3), pages 296-310, November.
- Rubio, S. J. & Ulph, A., 2002. "An infinite-horizon model of dynamic membership of international environmental agreements," Discussion Paper Series In Economics And Econometrics 210, Economics Division, School of Social Sciences, University of Southampton.
- Santiago Rubio & Alistair Ulph, 2003. "An Infinite-Horizon Model of Dynamic Membership of International Environmental Agreements," Working Papers 2003.57, Fondazione Eni Enrico Mattei.
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- Carraro, Carlo & Siniscalco, Domenico, 1993. "Strategies for the international protection of the environment," Journal of Public Economics, Elsevier, vol. 52(3), pages 309-328, October.
- Carraro, Carlo & Siniscalco, Domenico, 1991. "Strategies for the International Protection of the Environment," CEPR Discussion Papers 568, C.E.P.R. Discussion Papers.
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