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Reexamining the Empirical Evidence for an Environmental Kuznets Curve

William T. Harbaugh¹; Arik Levinson²; David Molloy Wilson³

¹ University of Oregon · ² Georgetown University · ³ Oregon Social Learning Center

This paper uses an updated and revised panel data set on ambient air pollution in cities worldwide to examine the robustness of the evidence for the existence of an inverted U-shaped relationship between national income and pollution. We test the sensitivity of the pollution-income relationship to functional forms, to additional covariates, and to changes in the nations, cities, and years sampled. We find that the results are highly sensitive to these changes, and conclude that there is little empirical support for an inverted U-shaped relationship between several important air pollutants and national income in these data.

DOI

10.1162/003465302320259538

Volume

84 (3)

Pages

541-551

Language

en

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