Competitive International Trade Theory has frequently been criticized for its intensive use of diagrams (as opposed to more formal mathematics, such as calculus and algebra), prompted by its typical use of small dimensional models. This paper selects ten diagrams useful in capturing the essence...

As trade liberalization and the fragmentation of production processes promote greater international exchange of inputs, economists must adjust their thinking on trade issues. Transport costs have plummeted, and the difficulties of communicating between locales half a world apart have practically...