Use the above table. If the marginal revenue product is $10, how many workers will the profit maximizing monopsonist hire?

One reason why banks might increase their reserve-deposit ratio above the minimum level in times of economic uncertainty is that

A. banks are most profitable when new loans are issued. B. banks may have insufficient required reserves. C. banks are initiating quantitative easing D. banks may find only limited lending opportunities that seem sufficiently safe.

Price discriminating firms often ________ prices to children and the elderly because they have a ________ willingness to pay than other consumers.

A. discount; lower B. discount; higher C. charge higher; lower D. charge higher; greater