Although the one-factor Ricardian trade model with external economies of scale plays a significant role for the understanding of important trade issues under increasing returns, it lacks a compelling graphical representation. We propose a convincing graphical exposition that uses both the PPF...

Although the home-market effect has become one of the most important concepts in both trade theory and the new economic geography, it lacks a compelling graphical representation. The purpose of this note is to offer such a representation. We will decompose the homemarket effect into two steps: a...

We propose a two-country growth model of intermediate businessservices trade that captures the role of time zone differences. It is shown that a time-saving improvement in intermediate businessservices trade involving production in different time zones can have a permanent impact on productivity.

In this note, we briefly review the now standard Dixit-Stiglitz-Krugman trade model of monopolistic competition. Furthermore, we propose a convincing graphical exposition that emphasizes the firms' entry-exit process.

Teaching trade patterns and trade gains under the Ricardian trade model is one of the most difficult tasks for teachers of international economics. We propose that the utilization of both the PPF and a labor market graph makes the understanding of Ricardian trade gains much easier.