D) pollution per driver per year.
After the implementation of the congestion tax in London, traffic volume was reduced
and travel time for cars and buses was cut in half. This is an example of:
A) responding to incentives.
B) the role of pricing in allocating resources.
C) caveat emptor.
D) comparative advantage.
You notice that the price of butter rises and then falls. The best explanation for this is
that:
A) demand for butter increased causing price to rise, which attracted other firms to
enter the market causing supply to increase, which caused the price to go back down.
B) demand for butter decreased causing price to rise, which attracted other firms to
enter the market causing supply to increase, which caused the price to go back down.
C) demand for butter increased causing price to rise, which induced other firms to exit
the market causing supply to decrease, which caused the price to go back down.
D) demand for butter increased causing price to rise, which attracted other firms to