A local restaurant offers an "all you can eat" Sunday brunch for $12. Susan eats four servings but leaves half of a fifth helping uneaten. Why?

If Bulge Bank has a desired reserve ratio of 10 percent, loans of $25,000, deposits of $100,000, vault cash of $10,000, and reserves at the Fed of $65,000, then the bank

A) has no remaining capacity to make loans. B) does not have enough reserves to meet its requirement. C) has excess reserves of $65,000. D) has excess reserves of $55,000. E) has excess reserves of $75,000.

Pessimists among the classical economists were least able to foresee the continual advancement in

a. managerial techniques b. technology c. birth control methods d. geographic discovery e. all of the above