Minh Ha-Duong () (CIRED - Centre international de recherche sur l'environnement et le développement - CIRAD : UMR56 - CNRS : UMR8568 - Ecole des Hautes Etudes en Sciences Sociales - Ecole Nationale des Ponts et Chaussées - Ecole Nationale du Génie Rural des Eaux et des Forêts) Nicolas Treich (LEERNA - Laboratoire d'Economie de l'Environnement et des Ressources Naturelles - INRA - Université des Sciences Sociales - Toulouse I)
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The paper investigates a climate-economy model with an iso-elastic welfare function in which one parameter gamma measures relative risk-aversion and a distinct parameter rho measures resistance to intertemporal substitution. We show both theoretically and numerically that climate policy responds differently to variations in the two parameters. In particular, we show that higher gamma but lower rho leads to increase emissions control. We also argue that climate-economy models based on intertemporal expected utility maximization, i.e. models where gamma = rho, may misinterpret the sensitivity of the climate policy to risk-aversion.
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Paper provided by HAL in its series Post-Print with number
halshs-00000680_v2.
Length: Date of creation: Jun 2004 Date of revision: Publication status: Published, Environmental and Resource Economics, 2004, 28, 2, 195-207 Handle: RePEc:hal:journl:halshs-00000680_v2
Note: View the original document on HAL open archive server: http://halshs.archives-ouvertes.fr/halshs-00000680/en/ Contact details of provider: Web page: http://hal.archives-ouvertes.fr/
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