China can make 10 computers and 20 cell phones an hour, and Japan can make 8 computers and 15 cell phones an hour.

1 Who has the comparative advantage in making computers? Cell phones? 

Answer:

2 If two countries were to trade with each other, who would export computers? Cell phones? 

Answer:

Al can make 10 chocolate and 5 candies a year and Betty can make 30 chocolate and 10 candies a year.

1 Who has the absolute advantage in making chocolate? Candies? 

Answer:

2 Who has the comparative advantage in making chocolate? Candies? 

Answer:

3 If Al and Betty were to trade with each other, which one would Al trade away

Answer: