What is the change in the money supply when the Fed purchases $100 worth of bonds in a 100-percent-reserve banking system?

What is the primary difference between a mixed strategy and a pure strategy?

A) Pure strategies are always dominated strategies. B) Mixed strategies call for randomizing over possible actions, pure strategies do not. C) Pure strategies are much more common than mixed strategies. D) Mixed strategies are not optimal whereas pure strategies are.

If we observe a decrease in the price of a good and a decrease in the amount of the good bought and sold, this could be explained by a(an):

a. increase in the supply of the good. b. increase in the demand for the good. c. decrease in the demand for the good. d. decrease in the supply of the good.