This paper explores the relation between oil revenues and economic growth in Iran using annual data for the period 1959-2008 to check whether this relation has a structural breakpoint effect. The results indicate the threshold level of growth rate of oil revenues above which oil revenues...

This paper examines the relationships between the energy consumption, GDP growth and emission, using Panel Smooth Transition Regression (PSTR) model for BRIC countries over the period 1960-2006. Our results reveal that environmental quality in these countries has increasingly suffered from high...