We revisit the debate on the sustainability of the current account dynamics in the US. Using the concept of sustainability as the ability to meet the long run intertemporal budget constraint, we test for unit roots in the US current account for the 1960-2004 period. We argue that there are...

Over recent decades, various USA government regulations and incentives, at both federal and state levels, encourage the development of green energy sources and the reduction of CO 2 emissions. In this paper, we investigate the degree of persistency of shocks to CO 2 per capita series in 50...