Which of the following could lead to an inward shift of the ppf?
a. an increase in the cost of one good
b. an increase in utilization of resources
c. a rise in the level of technology
d. a law is passed whereby a mandatory retirement age of 60 is imposed
e. a decrease in the utilization of resources

In june 2009, at the trough of the great recession, the bureau of labor statistics announced that of all adult americans, 140,196,000 were employed, 14,729,000 were unemployed and 80,729,000 were not in the labor force. use this information to calculate: a. the adult population b. the labor force c. the labor-force participation rate d. the unemployment rate

20. to add body to a hearty broth, you may use a. onions. b. pasta. c. cheese. d. water.

Both a demand curve and a demand schedule show how a. prices affect consumer demand. b. consumer demand affects income. c. prices affect complementary goods. d. consumer demand affects substitute goods.