Erschienen in:ZenTra Working Paper in Transnational Studies ; No. 32 / 2014
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Englisch
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In: ZenTra Working Paper in Transnational Studies No. 32 / 2014
Nach Informationen von SSRN wurde die ursprüngliche Fassung des Dokuments January 31, 2014 erstellt
Beschreibung:
We consider contracting of a principal with an agent if multilateral externalities are present. The motivating example is that of an international climate agreement given private information about the willingness-to-pay (WTP) for emissions abatement. Due to multilateral externalities the principal uses her own emissions besides subsidies to incentivize the agent and to assure his participation. Optimal contracts equalize marginal abatement costs and, thus, can be implemented by a system of competitive permit trading. Moreover, optimal contracts can include a boundary part (i.e., the endogenous, type dependent participation constraint is binding), which is not a copy of the outside option of no contract. Compared to this outside option, a contract can increase emissions of the principal for types with a low WTP, and reduce her payoff for high types. Subsidies can be constant or even decreasing in emission reductions, and turn negative so that the agent reduces emissions and pays the principal