The gravity equation has been traditionally used to predict trade flows across countries. However, several problems related with its empirical application still remain unsolved. The unobserved heterogeneity, the presence of heteroskedasticity in trade data or the existence of zero flows, which...

The results generally confirm that Czech trade is oriented towards European countries and determined primarily by key economic factors of domestic and foreign GDP. The institutional variables remain largely insignificant, except corruption due tothe counterintuitive result that a higher...

This paper examines the relative contribution of openness and the R content of trade to TFP growth for North-South trade-related technology diffusion. The measure of foreign R used in the literature on trade-related technology diffusion imposes identical contributions of openness and the R...

This paper analyzes a formal, dynamic model of the center-periphery problem. The model features falling relative demand for agricultural goods, a higher rate of technical change in manufacturing and a quality differentiated manufactured good. Income differences imply a potential for...

Countries have different comparative advantages in quality. These might be due to technological differences, or to reputation differences of the sort described in Klein & Leffler (1981). Reputation differences are particularly interesting, since good reputations are a form of social capital that...

This study analyses the role of Aid for Trade in reducing trade costs in least developed countries (LDCs). The analysis builds on questionnaires and case stories submitted as part of the Aid-for-Trade monitoring and evaluation exercise for the Fifth Global Review of Aid for Trade. Trade costs...