In the accompanying graphs, the pre-migration labor force in country A is 0d and in country B it is 0u. The migration of labor from low-income country B to high-income country A will
Multiple Choice
a. increase wages in country A and increase wages in country B.
b. decrease wages in country A and increase wages in country B.
c. increase wages in country A and decrease wages in country B.
d. decrease wages in country A and decrease wages in country B.