Do environmental taxes corrupt governments?

Canh Phuc Nguyen, Nadia Doytch, Binh Quang Nguyen and Duyen Thuy Le Tran

Economic Systems, 2025, vol. 49, issue 2

Abstract: In this study, we examine the effects of four environmental taxes (taxes on carbon, energy, resources, and transport) on two indices of anti-corruption (the Control of Corruption Index [CC] and the Corruption Perceptions Index [CPI]) and a third index, the Political Corruption Index (PCI), shedding light on the question whether the implementation of environmental taxes leads to more government corruption. Our hypothesis is that firms that are affected by environmental taxes may compensate for or evade the loss of revenue through some corrupt practices and behaviors. We conduct a rich empirical analysis for a global sample of 111 countries and two subsamples (45 high-income countries and 66 low- and middle-income countries) from 2002 to 2020. Most environmental taxes have significant positive effects on CC and CPI, while they have negative effects on PCI, implying that environmental taxes appear to increase anti-corruption indices. We also discuss the possible channels for the effects of environmental taxes on corruption: general government expenditure, and taxes on income, profits, and capital gains. Accordingly, we uncover a plethora of interesting findings that are robust to multiple secondary tests.

Keywords: Tax; Environmental Tax; Corruption; Government; Environment (search for similar items in EconPapers)
JEL-codes: D73 H11 H23 Q54 (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecosys:v:49:y:2025:i:2:s0939362524000906

DOI: 10.1016/j.ecosys.2024.101268

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