Endogenous learning in international environmental agreements: the impact of research spillovers and the degree of cooperation

Francisco André and Michael Finus

Oxford Economic Papers, 2024, vol. 76, issue 3, 877-900

Abstract: We consider an endogenous learning-by-doing process where countries can invest in research that reduces the systematic uncertainty about climate change damages. We analyse a coalition model in which countries decide whether to join a treaty and then choose their level of research and abatement. Countries can cooperate on research and abatement or only on one of these items. We consider the entire range of possible research spillovers. Cooperation on all issues and large research spillovers are generally welfare improving, but lead to smaller coalitions, as they encourage free-riding. However, on balance, in equilibrium, we find that cooperation should not be confined to research and should include abatement, and research findings should freely travel.

JEL-codes: C71 D62 H87 Q54 (search for similar items in EconPapers)
Date: 2024
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