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On se propose de montrer, dans cet article, que la non-prise en compte des coûts de défrichement ne permet pas de construire une dynamique de l’extension des terres cultivées lorsque la pression de la demande des produits de l’agriculture voudrait qu’il faille consacrer aux activités...
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We study a dynamic carbon pollution model where carbon accumulates both inside a nonrenewable and a renewable reservoir with a constant regeneration rate. Two primary energy sources are available: a cheap exhaustible fossil fuel (coal) and an expensive clean energy alternative (solar). To avoid...
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There exist specific factor scarcities if, and only if, the inputs of the production process are not perfect substitutes. Under the extreme assumption of strict factor complementarity between labour and resources in the production of some aggregate consumption good, and assuming that the...
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Inside a standard growth model with exhaustible resources, we study the optimal growth policy of an economy submitted to a climate constraint, taking the form of a ceiling over admissible atmospheric carbon concentrations. The optimal scenario is a three phases path: a rise of carbon...
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[fre] Exploitation d'une ressource non renouvelable,possibilité de stockage et règle d'Hotelling . . Rares sont les modèles de l'entreprise minière qui tiennent compte explicitement des possibilités de stockage de la firme. Nous montrons qu'un monopole peut être conduit à stocker tout ou...
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