Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/312886 
Year of Publication: 
2025
Series/Report no.: 
Economics Working Paper Series No. 25/397
Publisher: 
ETH Zurich, CER-ETH - Center of Economic Research, Zurich
Abstract: 
As climate changes and natural disasters intensify, the threat of human displacement increases. This paper studies carbon taxation in the presence of international climate displacement. After providing evidence on the migration response to disasters, forced climate migration is introduced into a quantitative climate-macroeconomic model to theoretically characterize the global and local social cost of carbons - SCCs, equivalently, optimal carbon taxes. These change substantially when this type of migration is considered. A North-South calibration reveals that, while migration increases the local SCC in host regions-more so if political conflict is considered-the global and origin region's SCCs remain largely unaffected.
Subjects: 
Climate change
social cost of carbon
forced climate migration
optimal and unilateral policy
JEL: 
E60
F22
O44
Q54
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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