Abstract
This paper examines the effect of democratic countries which encourage economic freedom on the environment, measured by Carbon Dioxide (〖CO〗_2) emission. For the empirical analysis, an annual panel data sample consisting of 179 countries from 1990 to 2018 is collected. Applying the Ordinary Least Squares and Two-Step Generalized Method of Moments estimation techniques, we find that the environmental quality is enhanced with a higher degree of democracy and economic freedom. The results firmly hold for high and middle-income countries when the sample is decomposed across income levels.
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