Basher, Syed Abul; Masini, Andrea; Aflaki, Sam - 2014
empirical studies of renewable energy policy effectiveness have typically relied on panel data models to identify the most … presence of a unit root. To that end, we use both individual and panel unit root tests to determine whether the series exhibit … non-stationary behavior at the country level as well as for the panel as a whole. The analysis, applied to a panel of 19 …