The environmental Kuznets curve for US counties: A spatial econometric analysis with extensions |
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Authors: | Email author" target="_blank">Anil?RupasinghaEmail author Stephan?J?Goetz David?L?Debertin Angelos?Pagoulatos |
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Affiliation: | (1) Department of Economics, American University of Sharjah, UAE 26666, USA;(2) Department of Agricultural Economics and Rural Sociology, NERCRD, University Park, PA 16802, USA;(3) Department of Agricultural Economics, University of Kentucky, KY 40546 Lexington, USA |
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Abstract: | We examine the relationship between county per capita income and toxic pollutants using a comprehensive model of the Environmental Kuznets Curve. The model incorporates ethnic diversity, spatial effects and most independent variables used in previous studies. Initial results suggest that the relationship follows an inverted-U-shape. However, incorporation of a cubic term for income reveals that toxic pollution eventually increases again as income continues to rise. Ethnic diversity and spatial effects are found to be important in understanding toxic pollution in US counties. We also detect an EKC-type relationship with respect to income inequality.Received: 25 January 2002, Accepted: 8 March 2003, JEL Classification:
R11, Q20The authors gratefully acknowledge funding from the US Department of Agriculture under NRI Grant No. 00-5401-9320, as well as the comments of three anonymous reviewers. An earlier version of this article was presented at the North American Regional Science Association meetings in Charleston, SC in November 2001. |
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Keywords: | Environmental Kuznets curve toxic waste ethnic diversity spatial dependence |
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