The influence of data aggregation on applied trade theory may not be generally appreciated. Aggregation can have a direct impact on the direction of trade, factor intensity, factor abundance, factor substitution, product differentiation, and intra-industry trade. This paper develops some...

From 2004, enlargement of the European Union is expected to bring substantial net economic benefits. Herein lies a weakness, in that practically all empirical studies characterise ‘single market’ accession using simple ad hoc uniform percentage reductions in trade costs. Employing a modified...

With the help of a simple model of production and trade, we examine the differential impact of tariff escalation on skilled and unskilled wages in an economy. Our findings provide a lobbying-based explanation of the prevalence of tariff escalation in developed countries. It also predicts the...

The focus of this paper is on the structural aspects of exchange rate determi - nation, generalizing the 1983 Jones-Purvis model. Specifically the Jones-Purvis model is extend to incorporate the concept of factor specificity. It is shown that deviations from purchasing power parity depend on,...

The heterogeneity of southern African countries offers the region a unique opportunity to exploit agricultural potential and trade opportunities through regional integration. We analyze the implications of such opportunities using a regional general equilibrium model. We find that growth in...

Many recent papers have pointed to ambiguous trade effects of developing regional trade agreements, calling for a reassessment of their economic merits. This paper focuses on 22 RTAs involving mostly developing countries and covering all the continents and use trade flows over the period...

This paper provides evidence that the volume of trade may increase as countries’ relative endowments become more similar. A model is developed that can explain this phenomenon. The model is a four-good version of the Davis (1995) Heckscher-Ohlin-Ricardo model of international trade based on...