Comparative cost theory was re-stated as opportunity cost by 

Theory of comparative advantage is based on which of the following assumption? 

The classical theory of comparative advantage is based on 

GDP evaluated at prevailing current prices is known as _______________

The money value of all sinal goods and services produced in the domestic territory of a country during an accounting year is known as 

The economist who based the comparative cost doctrine the relative factor endowments of the several countries involved was