This paper examines the stationarity of carbon dioxide (CO2) emissions per capita for a set of 36 countries covering the period 1870-2006. We employ recently developed unit root and stationarity tests that allow for the mean reverting process to be nonlinear and take into account cross sectional...

This study conducts an investigation into the sustainability of the Indian current account over the study period 1950-2003. A necessary condition for current account sustainability is that exports and imports are cointegrated. After testing for unit roots that allow for a structural break, we...