This paper investigates the causal relationship between environmental quality, economic growth and trade in D8 countries by using panel unit root tests and panel cointegration analysis for the period 1970-2011. The results suggest that there is a long-run relationship between these variables....

This paper investigates the causal relationship between environmental quality, GDP and trade for MENA region countries by using panel unit root tests and panel cointegration analysis for the period 1970-2011. The results show a strong causality from GDP and trade to environmental quality in...

In this study, we attempted to determine the key factors leading to economic growth for Iran economy over the period 1960–2006. In particular, we sought to clarify whether the growth of Iran was driven mainly by factor accumulation or by improvements in efficiency namely, debate of K (factor...