This research study examined the impact of exchange rate on economic growth from 1986 to 2013. The main type of data used in this study is secondary; sourced from Central Bank of Nigeria Statistical Bulletin of various issues. From 1986 being the year the monetary authority shifted from fixed...

This paper examines causal relationships between environment, GDP and trade for Iran using annual data over the period 1970-201, applying the techniques of the long–run Granger non–causality test proposed by Toda and Yamamoto (1995). The results suggest that there is a long-run relationship...