For which of the following goods are services are prices least sticky?

Your economics professor offers 10 points extra credit if you attend a review session before your next exam. This extra credit is an example of

A) an increase in marginal cost to attend the review session. B) a decrease in marginal benefit to attend the review session. C) a rational choice. D) an incentive to attend the review session. E) None of the above answers is correct.

Refer to Table 17.1. The labor force participation rate for this simple economy is

A) 25%. B) 40%. C) 50%. D) 60%.