3. David Ricardo and Comparative Advantage
3.1 The brief history of David Ricardo
3.2 The background which caused coming out of
3.3 The theory of comparative advantage
3.4 The reason that we have to trade
3.4.1 Cheaper goods
3.4.2 Various goods
Economics is a science that helps us in our everyday life with good advice that is full of useful hints to solve our problems of selection. Moreover, economics enables us to understand the scope of the world with its logic. If we have good knowledge of economics, we can predict what is going on in the world when we encounter a certain social phenomenon. In economic history there have been many eminent economists who have contributed to the field of economics with their genius theory.