National output and national income are essentially the same because
A) every purchase implies a sale.
B) every cost implies a benefit.
C) every profit implies a loss.
D) every gain implies a sacrifice.
Question 2
Congestion pricing
A) is an estimation of the price of being off of work with the flu.
B) is an attempt to internalize the external costs of driving.
C) is the raising of taxes on gasoline to support the construction of mass urban transit systems.
D) works fine in theory but cannot work in the real world because the technology is lacking.
