In most societies, dollar price acts as the main rationing device. If dollar price weren’t
the main rationing device, would there still be a need for some rationing device to take
its place?
a. No, because with dollar price there would be no scarcity, although shortages would
still exist.
b. Yes, because there is a need for a rationing device as long as scarcity exists.
c. Yes, because there is a need for a rationing device as long as the world’s population is
so large.
d. No, because dollar price creates scarcity and without money price scarcity wouldn’t
exist.
e. none of the above
In which of the following situations would a positive externality most likely be
involved?
a. Shawn is sitting at home one day when she gets a telephone call, informing her that
she has won $10,000 in a contest she entered three months ago.
b. There are eight houses in the neighborhood where Rodney lives. Rodney likes
nice-looking yards, and last week his neighbors began to beautify their yards.
c. Willy needs eight hours of sleep each night to feel good. Last night he got eight hours
of sleep.
d. Patrick received an A on a biology exam. He is feeling better about his chances of
getting admitted to medical school.