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...

The word fragmentation refers to a splitting up of a verticallyintegrated production process such that the separatefragments can be traded on markets. This paper is concerned withinternational fragmentation, generally allowing gainsfrom a finer division of labor based on comparative advantage...