Globalization has its detractors as well as supporters. Concerns have been expressed about the greater ease of fragmenting the production process so that more parts can be outsourced to a variety of countries. Highly developed regions worry about the possibility of greater unemployment or lower...

Since Heckscher's 1919 pioneering contribution to international trade theory, the concept of "factor intensity" has played a key role in explanations of trade patterns and the consequences of international trade for local income distribution. This essay discusses the uses that have been made of...