Because trade raises the amount that an economy can produce by letting firms and workers play to their comparative advantage, trade will also cause

a. the average level of wages in an economy to fall.
b. the average level of wages in an economy to rise.
c. the average number of jobs in an economy to rise.
d. the average number of jobs in an economy to fall.

ANSWER”

b. the average level of wages in an economy to rise.