Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/192425 
Erscheinungsjahr: 
2006
Schriftenreihe/Nr.: 
Discussion Papers No. 443
Verlag: 
Statistics Norway, Research Department, Oslo
Zusammenfassung: 
Time-series regressions including non-linear transformations of an integrated variable are not uncommon in various fields of economics. In particular, within the Environmental Kuznets Curve (EKC) literature, where the effect on the environment of income levels is investigated, it is standard procedure to include a third order polynomial in the income variable. When the income variable is an I(1)-variable and this variable is also included nonlinearly in the regression relation, the properties of the estimators and standard inferential procedures are unknown. Surprisingly, such problems have received rather limited attention in applied work, and appear disregarded in the EKC literature. We investigate the properties of the estimators of long-run parameters using Monte-Carlo simulations. We find that the mean of the ordinary least squares estimates are very similar to the true values and that standard testing procedures based on normality behave rather well.
Schlagwörter: 
Emissions
Environmental Kuznets Curve
Unit Roots
Monte Carlo Simulations
JEL: 
C15
C16
C22
C32
O13
Dokumentart: 
Working Paper

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