1. The Theory of Comparative Advantage - Given by David Ricardo
2.
3.
4.
5.
6.
7.
8. Table-1 15 10 Portugal 30 15 England Cost Per Unit In Man Hours Cost Per Unit In Man Hours Wine Wheat Country
9.
10.
11. Table-2 T o t a l P o r t u g a l E n g l a n d C o u n t r y Production Wine Wheat Wine Wheat After Trade Before Trade 12 18 11 17 12 0 6 9 0 18 5 8