Which region has the highest proportion of its children working?

A person has a comparative advantage in an activity whenever she

A) has an absolute advantage in the activity. B) can perform the activity at a lower opportunity cost than another person can. C) can do the activity in less time than anyone else. D) can do everything better than anyone else.

Could either party do better?

a. Yes, both parties can do better without hurting each other if they cooperated b. Yes, one party can do better, but only at the expense of the other c. No, neither party can do better d. No, each party has its best possible outcome