Galeotti, Marzio; Manera, Matteo; Lanza, Alessandro - 2006
long-run relationship exhibits an inverted-U pattern. On the basis of panel integration and cointegration tests for sulphur … tests of fractional panel integration and cointegration. As an example we use the controversial case of carbon dioxide … emissions. The results show that more EKCs come back into life relative to traditional integration/cointegration tests. However …