In: Economics
| 
 Product  | 
 Case 1  | 
 Case 2  | 
 Case 3  | 
|||
| 
 China  | 
 U.S.  | 
 China  | 
 U.S.  | 
 China  | 
 U.S.  | 
|
| 
 Corn(bushels)  | 
 4  | 
 2  | 
 4  | 
 1  | 
 4  | 
 1  | 
| 
 Wine(bottles)  | 
 2  | 
 1  | 
 3  | 
 2  | 
 2  | 
 2  | 
Comparative Advantage
Case 1
China. U.S.
Corn (Bushels) 4 2
Wine (Bottles) 2 1
China’s opportunity cost of producing corn is (2/4) or ½ bottle of wine.
U.S. opportunity cost of producing corn is (1/2) or ½ bottle of wine.
China’s opportunity cost of producing wine is (4/2)=2 bushels of corn.
U.S.’s opportunity cost of producing wine is (2/1)= 2 bushels of corn.
| 
 China  | 
 U.S.  | 
|
| 
 Corn (Bushels) in terms of wine bottles (Pc/Pw)  | 
 1/2  | 
 1/2  | 
| 
 Wine (Bottles) in terms of bushels of corn (Pw/Pc)  | 
 2  | 
 2  | 
Case 2
| 
 China.  | 
 U.S.  | 
|
| 
 Corn (Bushels)  | 
 4  | 
 1  | 
| 
 Wine (Bottles)  | 
 3  | 
 2  | 
China’s opportunity cost of producing corn is (3/4) or 3/4 bottle of wine.
U.S. opportunity cost of producing corn is (2/1) or 2 bottles of wine.
China’s opportunity cost of producing wine is (4/3)=1.33 bushels of corn.
U.S.’s opportunity cost of producing wine is (1/2)= 1/2 bushel of corn.
| 
 China  | 
 U.S.  | 
|
| 
 Corn (Bushels) in terms of wine bottles (Pc/Pw)  | 
 3/4  | 
 2  | 
| 
 Wine (Bottles) in terms of bushels of corn (Pw/Pc)  | 
 1.33  | 
 1/2  |