Working Paper : 2214


Authors Cai, Y., Brock, W. and Xepapadeas, A.
Title Climate Change Impact on Economic Growth: Regional Climate Policy under Cooperation and Noncooperation
Abstract We compute regional social cost of carbon (SCC) in the face of climate change impact on the rate of growth of regional GDP under cooperation and noncooperation between regions with climate feedbacks and heat transfer present or missing. Climate damage to economic growth poses serious challenges for many countries, particularly in the tropic region. We find that in the presence of climate damage to economic growth, regional SCC is high in either a cooperative world or a noncooperative world, implying that it is optimal for each region to choose stringent climate policies. Moreover, relatively to cooperation, noncooperation reduces GDP of countries in both the high northern latitudes and the tropic region while the loss for the developing countries in the tropic region is significant. Our results are robust with different modeling of the climate impact.
Creation Date 2022-04-07
Keywords Integrated Assessment Model of climate and economy, spatial heat transport, regional social cost of carbon, carbon tax, Nash equilibrium, economic growth, climate feedbacks
Classification JEL Q54, Q58
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