Authors: de Jong, Robert M.
Wagner, Martin
Title: Panel cointegrating polynomial regression analysis and the environmental Kuznets curve
Language (ISO): en
Abstract: This paper develops a modified and a fully modified OLS estimator for a panel of cointegrating polynomial regressions, i.e. regressions that include an integrated process and its powers as explanatory variables. The stationary errors are allowed to be serially correlated and the regressors are allowed to be endogenous and we allow for individual and time fixed effects. Inspired by Phillips and Moon (1999) we consider a cross-sectional i.i.d. random linear process framework. The modified OLS estimator utilizes the large cross-sectional dimension that allows to consistently estimate and subtract an additive bias term without the need to also transform the dependent variable as required in fully modified OLS estimation. Both developed estimators have zero mean Gaussian limiting distributions and thus allow for standard asymptotic inference. Our illustrative application indicates that the developed methods are a potentially useful addition to not least the environmental Kuznets curve literature's toolkit.
Subject Headings: cointegration
unit roots
polynomial transformation
panel data
environmental Kuznets curve,
Subject Headings (RSWK): Kointegration
Kuznets-Kurve
Regressionsanalyse
Methode der kleinsten Quadrate
URI: http://hdl.handle.net/2003/37148
http://dx.doi.org/10.17877/DE290R-19144
Issue Date: 2018
Appears in Collections:Sonderforschungsbereich (SFB) 823

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