4)
Refer to the above diagram of a market for pollution rights. The increase in the price of
pollution rights from P1 to P2will:
A.reduce the quantity of pollution rights.
B.increase the quantity of pollution rights.
C.increase the incentive for environmental groups to buy pollution rights.
D.increase the opportunity cost of polluting.
5) Suppose the price level is fixed, the MPC is .5, and the GDP gap is a negative $100
billion. To achieve full-employment output (exactly), government should:
A.increase government expenditures by $100 billion.
B.increase government expenditures by $50 billion.
C.reduce taxes by $50 billion.
D.reduce taxes by $200 billion.
6) Elephant populations have:
A.expanded everywhere because of state control of elephant populations.
B.declined in countries where they are owned by local villages, and expanded where
they are owned by the state.
C.expanded in countries where they are owned by local villages, and declined where
they are owned by the state.
D.declined everywhere, regardless of whether property rights over elephants are
recognized.
7) (Last Word) In 2001 Congress appropriated $273,000 for the Blue Springs (Missouri)
Youth Outreach Unit for educational training in combating the Goth culture. This is an