articleDiscover EnvironmentMar 13, 2026DIAMOND OA

Revisiting the impact of political corruption on environmental policies by using data from 40 countries

CXChuangjian XinJKJeremy KoMRMohammad RidwanCLC. L. Guo

Chinese University of Hong Kong · University of Pennsylvania · +4 more institutions

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Abstract

Abstract Background Political corruption undermines the effectiveness of environmental governance by eroding institutional capacity, distorting regulatory frameworks, and weakening policy enforcement. This study revisits the relationship between political corruption and environmental policy stringency (EPS), focusing on how corruption influences the strength of environmental regulations across countries and over time. Methods A cross-national time-series analysis is conducted for 40 countries from 1990 to 2020 using data from the V-Dem Political Corruption Index and the OECD Environmental Policy Stringency Index. The baseline estimation employs a two-way fixed-effects model, complemented by robustness checks…

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Topics & keywords

Topics
Keywords
  • Language change
  • Corporate governance
  • Enforcement
  • Robustness (evolution)
  • Politics
  • Environmental policy
  • Generalized method of moments
  • Environmental governance
UN Sustainable Development Goals
  • Peace, Justice and strong institutions
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