Which is the main disadvantage of using shells as money instead of coins?

If the Fed sells government bonds, bank reserves will

A) decrease leading to a decrease in the money supply. B) increase leading to a decrease in the money supply. C) increase leading to an increase in the money supply. D) decrease leading to an increase in the money supply.

Which of the following public policies has (have) the effect of restricting competition?

a. licensing b. patents c. import quotas d. a and b only e. a, b, and c