People tend to eat more at all you can eat buffets than they would at any other restaurants. This is so because the cost of consuming an additional item at an all you can eat buffet is

Which of the following is NOT part of the business cycle?

A) recession B) expansion C) peak D) trough E) inflation

The theory that there are no predictable trends in securities prices that can be used to "get rich quick" is the

A) dartboard theory. B) random walk theory. C) Wall Street theory. D) inefficient market hypothesis.