In recent years empirical studies offer clear evidence on the increasing importance of intra-industry trade in presence of vertically differentiated products. These are goods that, within the same industry, are distinguished by different quality levels. In the new trade theory and in the...

We develop a model of international trade with two sources of firm heterogeneity: "productivity" and "caliber". Productivity is modeled as is standard in the literature. Caliber is the ability to produce quality using few fixed inputs. While there is no quality restriction to sell domestically,...

Its diverse agroecology has endowed Ethiopia with enormous honey production potential in Africa. Nevertheless, due to the undeveloped production system and poor market linkage with the global arena, the country could not fetch proportional benefits from this resource. To enhance better...

Tests for causality and rationality in the coffee futures market were carried out using data from the New York Market. Tests of causality indicated that futures prices strongly influence variations in spot price eight weeks or more to maturity. However, beginning seven weeks to maturity there...

This paper studies the relationship between trade and institutions in regions for the period 1980 to 2010 using the generalized method of moments estimation technique and other instrumental variable estimation technique such as two stage least square and two stage generalized least square in...

This paper develops a method to measure difficulties in market access over a large set of countries (both developing and developed) and industries, during the period 1980-2006. We use a micro-founded heterogeneous-consumers model to estimate the impact of national borders on global and regional...