It is inefficient to charge a positive price for a collective consumption good

In the final two decades of the twentieth century, per capita income in sub-Saharan Africa

A) remained relatively unchanged. B) increased by approximately 35 percent. C) increased by more than 75 percent. D) decreased by approximately 6 percent.

In the specificfactors model, labor migration from Mexico to the United States will cause _________ in U.S. lowskilled wages and _________ in Mexican low skilled wages.

a. increases; decreases b. increases; increases c. decreases; decreases d. decreases; increases