Functional form of the environmental Kuznets curve

Hector O. Zapata and Krishna Paudel

A chapter in Nonparametric Econometric Methods, 2009, pp 471-493 from Emerald Group Publishing Limited

Abstract: This is a survey paper of the recent literature on the application of semiparametric–econometric advances to testing for functional form of the environmental Kuznets curve (EKC). The EKC postulates that there is an inverted U-shaped relationship between economic growth (typically measured by income) and pollution; that is, as economic growth expands, pollution increases up to a maximum and then starts declining after a threshold level of income. This hypothesized relationship is simple to visualize but has eluded many empirical investigations. A typical application of the EKC uses panel data models, which allows for heterogeneity, serial correlation, heteroskedasticity, data pooling, and smooth coefficients. This vast literature is reviewed in the context of semiparametric model specification tests. Additionally, recent developments in semiparametric econometrics, such as Bayesian methods, generalized time-varying coefficient models, and nonstationary panels are discussed as fruitful areas of future research. The cited literature is fairly complete and should prove useful to applied researchers at large.

Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eme:aecozz:s0731-9053(2009)0000025017

DOI: 10.1108/S0731-9053(2009)0000025017

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