Using a dynamic gravity equation, we show that the national product differentiation model explains food and agricultural trade, while the product differentiation model explains large-scale manufacturing trade for both short- and long-run. We provide reasons of discrepancy from Head and Ries...

This paper reexamines foreign currency markets for evidence of fractional integration, and extends the extant literature in several important dimensions. First, we utilize a new semiparametric wavelet-based estimator, which is far superior to the more prevalent GPH estimator on the basis of mean...

In this article we focus on the effects of preferential trade arrangements on agricultural trade and agricultural income. Given the large number of preferential trade arrangements and complex interactions among them, we attempt to find out whether preferential trade arrangements are beneficial...