Assessed as a part of the Hecksher-Ohlin model, one analysis of this phenomenon is based on the labor theory of value, and it was included in the long 1817 work Principles of Political Economy and Taxation.  
Assessed as a part of the Hecksher-Ohlin model, one analysis of this phenomenon is based on the labor theory of value, and it was included in the long 1817 work Principles of Political Economy and Taxation.  Providing a strong argument for free international trade and specialization, it is ultimately little more than an analysis of relative opportunity costs.  FTP, name this theory of David Ricardo explaining why trade of some goods may be more favorable for some countries due to production factors.
Assessed as a part of the Hecksher-Ohlin model, one analysis of this phenomenon is based on the labor theory of value, and it was included in the long 1817 work Principles of Political Economy and Taxation.  
comparative advantage