In the United States, the poorest 20 percent of households earn roughly ________ percent of total income

Refer to Figure 5-10. What is the value of the net gain to society as a result of subsidizing chicken pox vaccinations?

A) value equal to the area of FEG B) (PE × QE) C) value equal to the area of QFFGQE D) (PF × QF)

Refer to Table 9-12. If the actual terms of trade are 1 belt for 1.5 swords and 50 belts are traded, how many belts will Morocco consume?

A) 60 B) 70 C) 90 D) 120