Costless CO2 emissions abatement through improved government effectiveness

Woon Kan Yap, Farhana Roslan, Jenny Gryzelius and Dayana Elissa Mohammad Irman

Journal of Environmental Economics and Policy, 2025, vol. 14, issue 1, 23-43

Abstract: The withdrawal of Canada, Japan, New Zealand, and Russia from the Kyoto Protocol, the non-ratification of the United States at the onset, and the exemption given to China and India indicate that five out of the ten largest economies in the world, accounting for approximately 50% of the world GDP (as of 2021), have turned away from the Kyoto Protocol. This apprehension can plausibly be explained by the potential loss of productivity resulting from abatement of CO2 emissions. Therefore, this study examines the marginal effect of CO2 emission abatement on technical efficiency and how it can be moderated by government effectiveness. The following are the findings of this study: (1) inclusion of the pollution effect in the modelling of technical efficiency is necessary as it significantly changes the technical efficiency score ranking; (2) the opportunity cost of CO2 emissions abatement exists in the form of productivity loss but is significantly moderated by government effectiveness. These findings are important as they aid policymakers in mapping out a strategy for the desired costless abatement of CO2 emissions.

Date: 2025
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DOI: 10.1080/21606544.2024.2325163

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