The idea of opportunity cost is relevant
a. only in consumption decisions.
b. only in production decisions.
c. only in financial decisions.
d. in almost any kind of decision.
If the random walk theory is correct, a prudent investor might choose her stock
portfolio by
a. throwing darts at the newspaper’s financial page.
b. spending money to consult a stock forecaster.
c. spending time analyzing past stock performance.
d. not investing in stocks at all, since price behavior is completely erratic.
Which of the following will cause movement along the reserve demand schedule?
a. a change in the price level
b. a change in real GDP