The paper shows that the relationship between GDP per capita and levels of specialization can be predicted differently depending on whether the intensive or the extensive margin is considered. It shows that at the extensive margin countries continuously diversify their exports and that...

The book analyzes the evolution of the concept of comparative advantage from the eighteenth century to the present day. It examines the origins of the concept of comparative advantage, its current status within economic thought and its validity in today's global economy. This comprehensive book...