Macroeconomics 20th Edition by Campbell McConnell ,Stanley Brue ,Sean Flynn

تمرين 20

Before specialization, the domestic opportunity cost of producing 1 unit of beef is:
A) 1 unit of vegetables in both the United States and Mexico.
B) 1 unit of vegetables in the United States and 2 units of vegetables in Mexico.
C) 2 units of vegetables in the United States and 1 unit of vegetables in Mexico.
D) 1 unit of vegetables in the United States and 12 unit of vegetables in Mexico.