Centralized climate clubs and decentralized governance: A model of global CO2 mitigation

Shyam Nath and Yeti Nisha Madhoo

American Journal of Economics and Sociology, 2025, vol. 84, issue 1, 59-68

Abstract: This paper extends the climate literature by examining the feasibility of integrating sub‐national governance into global club governance for mitigating CO2 emissions. Global climate clubs become an argument for having separate bundles of emission targets and incentive mechanisms in the form of opportunities for climate finance and technology sharing among the club members. An exploratory analysis is important to examine the role of import and export taxes and other channels, such as the clean development mechanism, in meeting the objective of nonmember countries to join the club. The crux, however, is how, after determining national‐level quotas, the mitigation responsibilities are shared with subnational entities. We propose a design of a carbon entry tax at the subnational level, namely states, districts, and municipalities. The carbon entry tax uses the nighttime luminosity data published by NASA as a measure of carbon, which constitutes the tax base. The carbon entry tax serves as a fiscal instrument of decarbonization in a decentralized framework.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:bla:ajecsc:v:84:y:2025:i:1:p:59-68

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