dynamic panel data models. In particular, in our model the long-run relationship between effective exchange rates and domestic …

growth in 15 Sub-Saharan African (SSA) countries using panel unit root and cointegration tests over the period 1980 to 2004 …

This paper argues that typical applications of panel unit root tests should take possible nonstationarity in the … volatility process of the innovations of the panel time series into account. Nonstationarity volatility arises for instance when … enjoyed by many industrialized countries, known as the "Great Moderation". It also proposes a new testing approach for panel …