68. Suppose that in Colombia one unit of labor can produce 8 tons of papayas or 2 tons of
bananas and in Brazil, one unit of labor can produce either 4 tons of papayas or 1 ton of bananas.
Given this information, which of the following statements is true?
A. Columbia has a comparative advantage in producing papayas but not bananas.
B. Columbia has a comparative advantage in producing papayas and bananas.
C. These countries would increase combined consumption if they specialized and traded.
D. These countries cannot gain from trading.
69. Suppose that in Colombia one unit of labor can produce 8 tons of papayas or 2 tons of
bananas and in Brazil, one unit of labor can produce either 2 tons of papayas or 4 tons of
bananas. If each country has two units of labor, which of the following consumption
combinations can be attained only with trade?
A. Brazil consumes 8 tons of bananas and no papayas.
B. Colombia consumes 16 tons of papayas and no bananas.
C. Brazil consumes 2 tons of papayas and 4 tons of bananas.
D. Colombia consumes 8 tons of papayas and 4 tons of bananas.
70. Suppose that in Slovakia one unit of labor can produce either 16 tons of wheat or 32 tons of
soy and in Poland one unit of labor can produce either 4 tons of wheat or 2 tons of soy. Given
this information, which of the following statements is true?