A、yes, always
B、no, never
C、yes, as long as their masses are equal
D、yes, if both their masses and directions of motion are the same
A、are leaving Bejing from Beijing International Airport.
B、want to go to Tsinghua university from the airport.
C、are interested to know more about the traffic around Tsinghua.
D、would like to find out about sightseeing spots in Beijing.
A、equals the deadweight loss of a single-price monopoly.
B、is greater than the deadweight loss of a single-price monopoly.
C、equals zero.
D、equals the sum of all lost consumer surplus.
A、0
B、1
C、2
D、None of the above—the answer cannot be determined.
A、The industry would produce more output and charge a lower price after the change
B、The industry would produce at decreasing returns to scale.
C、Elasticity of demand for the firm's product would remain the same after this change occurred.
D、This industry would produce the same level of output at lower prices in the long run than before the change
A、3200
B、1600
C、800
D、0
A、sets MR=MC
B、produces where P=AC
C、sets P>MC
D、earns zero profit
A、the smaller the deadweight loss.
B、the more producer surplus.
C、the larger the total welfare.
D、the higher of consumer surplus
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