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Economic growth and CO2 emissions: a nonparametric approach

  • AZOMAHOU, Théophile
  • VAN PHU, Nguyen

This paper examines the empirical interplay between economic growth and greenhouse gas emissions using panel data. Relying on nonparametric methods, we find evidence supporting specifications which assume the constancy of the relationship between CO2 emissions and GDP per capita during the period of the study. Moreover, the usually adopted polynomial functional form is rejected against our nonparametric modelling. It is shown that the relationship between gas emissions and GDP displays more complex patterns, despite its monotonous shape, than the well-known Kuznets curve obtained from ad hoc parametric specifications. The economic development process has a negative effect on gas emissions, especially for the early and the advanced stages of development. As a result, developed countries as well as developing countries should make efforts to reduce CO2 emissions.

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Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers with number 2001012.

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Date of creation: 00 Mar 2001
Date of revision:
Handle: RePEc:cor:louvco:2001012
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  1. Taskin, Fatma & Zaim, Osman, 2000. "Searching for a Kuznets curve in environmental efficiency using kernel estimation," Economics Letters, Elsevier, vol. 68(2), pages 217-223, August.
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  3. Richard Schmalensee & Thomas M. Stoker & Ruth A. Judson, 1998. "World Carbon Dioxide Emissions: 1950-2050," The Review of Economics and Statistics, MIT Press, vol. 80(1), pages 15-27, February.
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  6. repec:tpr:qjecon:v:106:y:1991:i:2:p:327-68 is not listed on IDEAS
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  12. Koop, Gary & Tole, Lise, 1999. "Is there an environmental Kuznets curve for deforestation?," Journal of Development Economics, Elsevier, vol. 58(1), pages 231-244, February.
  13. repec:tpr:qjecon:v:110:y:1995:i:2:p:353-77 is not listed on IDEAS
  14. Suri, Vivek & Chapman, Duane, 1998. "Economic growth, trade and energy: implications for the environmental Kuznets curve," Ecological Economics, Elsevier, vol. 25(2), pages 195-208, May.
  15. Gene M. Grossman & Alan B. Krueger, 1994. "Economic Growth and the Environment," NBER Working Papers 4634, National Bureau of Economic Research, Inc.
  16. John C. Driscoll & Aart C. Kraay, 1998. "Consistent Covariance Matrix Estimation With Spatially Dependent Panel Data," The Review of Economics and Statistics, MIT Press, vol. 80(4), pages 549-560, November.
  17. Hettige, Hemamala & Mani, Muthukumara & Wheeler, David, 2000. "Industrial pollution in economic development: the environmental Kuznets curve revisited," Journal of Development Economics, Elsevier, vol. 62(2), pages 445-476, August.
  18. Kaufmann, Robert K. & Davidsdottir, Brynhildur & Garnham, Sophie & Pauly, Peter, 1998. "The determinants of atmospheric SO2 concentrations: reconsidering the environmental Kuznets curve," Ecological Economics, Elsevier, vol. 25(2), pages 209-220, May.
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