A spending shock typically involves a dramatic reduction in spending in virtually all sectors of the economy simultaneously

When prices do not change very much, the income-expenditure model can be used to understand economic fluctuation in the

A) long run. B) fiscal year. C) short run. D) federal budget allocation.

Refer to Scenario 12.1. Suppose that a third friend, Ryan, joins Simon and Paula on their way home from school, and this reduces the probability of any particular individual from stepping forward to help the man being attacked from 70% to 60%

What is the probability of either Simon, Paula, Ryan, or any combination of the three trying to rescue the man? A) 21.6% B) 50.4% C) 72.0% D) 93.6%