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A Test for Parameter Homogeneity in CO 2Panel EKC Estimations

  • Elbert Dijkgraaf
  • Herman Vollebergh


This paper casts doubt on empirical results based on panel estimations of an “inverted-U” relationship between per capita GDP and pollution. Using a new dataset for OECD countries on carbon dioxide emissions for the period 1960–1997, we find that the crucial assumption of homogeneity across countries is problematic. Decisively rejected are model specifications that feature even weaker homogeneity assumptions than are commonly used. Furthermore, our results challenge the existence of an overall Environmental Kuznets Curve for carbon dioxide emissions. Copyright Springer 2005

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Article provided by European Association of Environmental and Resource Economists in its journal Environmental & Resource Economics.

Volume (Year): 32 (2005)
Issue (Month): 2 (October)
Pages: 229-239

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Handle: RePEc:kap:enreec:v:32:y:2005:i:2:p:229-239
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  1. List, John A. & Gallet, Craig A., 1999. "The environmental Kuznets curve: does one size fit all?," Ecological Economics, Elsevier, vol. 31(3), pages 409-423, December.
  2. Gene M. Grossman & Alan B. Krueger, 1994. "Economic Growth and the Environment," NBER Working Papers 4634, National Bureau of Economic Research, Inc.
  3. Elbert Dijkgraaf & Herman Vollebergh, 2004. "A Note on Testing for Environmental Kuznets Curves with Panel Data," Others 0409001, EconWPA.
  4. Shafik, Nemat, 1994. "Economic Development and Environmental Quality: An Econometric Analysis," Oxford Economic Papers, Oxford University Press, vol. 46(0), pages 757-73, Supplemen.
  5. William Harbaugh & Arik Levinson & David Wilson, 2000. "Reexamining the Empirical Evidence for an Environmental Kuznets Curve," Working Papers gueconwpa~00-00-07, Georgetown University, Department of Economics.
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