Refer to Figure 21.2. If area A = 2,000, area B = 400, and area C = 2,600, what is the Gini coefficient for Urbania (rounded to two decimal places)?

A bowed outward production possibilities curve occurs when

A) opportunity costs are constant. B) resources are not scarce. C) additional units of output of one good necessitate greater reductions in the other good. D) there are shortages in the goods being produced.

If the price of inputs rises and foreign income rises:

a. Aggregate demand and aggregate supply rise. b. Aggregate demand and aggregate supply fall. c. Neither aggregate demand nor aggregate supply change. d. Aggregate demand rises, and aggregate supply falls. e. None of the above.