Journal
ECOLOGICAL ECONOMICS
Volume 65, Issue 2, Pages 375-385Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ecolecon.2007.07.001
Keywords
cointegration; distribution; emission; EKC; inequality; LR and SCR
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This paper explores the relationship between the inter-country income inequality and CO2 emission and temporal shifts in such a relationship. It also examines how the mean per capita CO2 emission and its distributional inequality are related to the corresponding mean and the distributional inequality of income. The analysis is based on a cross-country panel data set at the level of country-group. Here environmental damage is treated as a private good and the technique of Lorenz and specific concentration curve analysis have been used as the basic analytical framework to argue that distributional inequality of income should be an explanatory variable in the Environmental Kuznets Curve relationship, along with the mean income level. In the empirical exercise, Johansen's cointegration analysis technique is used to explore existence of statistically significant cointegrating vector(s) relating mean emission and Specific Concentration Ratio of emission to mean income level and Lorenz Ratio of income, using a set of country-group specific time series data set which covers four country-groups (viz., Africa, America, Asia and Europe) and the World as a whole. The empirical results confirm that the inter-country income inequality has significant effect on the mean emission level and inter-country inequality of emission level for most of the country-groups considered. (c) 2007 Elsevier B.V. All rights reserved.
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