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%
D
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The economy pictured in the figure below has a(n) ________ gap with a short-run equilibrium combination of inflation and output indicated by point ________. 
A. recessionary; B B. recessionary; C C. recessionary; A D. expansionary; A
Amy can produce either 5000 pounds of cheese or 20 cars per year. Mike can produce either 5000 pounds of cheese or 10 cars per year. Amy's opportunity cost of producing one car is ________ pounds of cheese.
A. 250 B. 1/20 C. 1/250 D. 20
The nation as a whole is better off from trade as long as the gains from the winners exceed the losses from the losers
Indicate whether the statement is true or false
As in the United States, an important factor in the banking crises in Norway, Sweden, and Finland was the
A) financial liberalization that occurred in the 1980s. B) decline in real interest rates that occurred in the 1980s. C) high inflation that occurred in the 1980s. D) sluggish economic growth that occurred in the 1980s.