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Leadership and self-enforcing international environmental agreements with non-negative emissions

Rubio, S. and Ulph, A. (2002) Leadership and self-enforcing international environmental agreements with non-negative emissions , Southampton University of Southampton (Discussion Papers in Economics and Econometrics, 211).

Record type: Monograph (Discussion Paper)

Abstract

For the widely-used linear-quadratic model of stable IEAs the key results are: (i) if the members of the IEA act in a Cournot fashion with respect to non-signatories, a stable IEA has no more than 2 signatories; (ii) if the signatories act as Stackelberg leaders, a stable IEA can have any number of signatories. These results were derived using numerical simulations and ignored the non-negativity constraint on emissions. Recent papers using analytical approaches and explicitly recognising the non-negativity constraint have suggested that with Stackelberg leadership a stable IEA has at most four signatories. Such papers have introduced non-negativity constraints by restricting parameter values to ensure interior solutions for emissions, which restricts the number of signatories. We use the more appropriate approach of directly imposing the non-negativity constraint on emissions, recognising that for some parameter values this will entail corner solutions, and show, analytically, that the key results from the literature go through.

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Published date: 2002

Identifiers

Local EPrints ID: 33382
URI: http://eprints.soton.ac.uk/id/eprint/33382
PURE UUID: 51dde1a3-9050-4347-b1c0-15cb5b157cc6

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Date deposited: 18 May 2006
Last modified: 17 Jul 2017 15:53

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Contributors

Author: S. Rubio
Author: A. Ulph

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