Because of the positive externality of vaccinations, economic efficiency would be improved
A) if more people were vaccinated. B) only if no people were vaccinated.
C) only if all people were vaccinated. D) if fewer people were vaccinated.
A
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The demand curve facing a firm
a. indicates the amount of raw materials and other inputs the firm will purchase, at various prices b. indicates the amount of the good demanded from that firm by a particular consumer, at various prices c. indicates the amount of output that customers will purchase from the firm, at various prices d. shows the minimum price at which the firm can sell any given quantity of output e. is horizontal in the long run, but upward sloping in the short run
Under a managed float,
a. currency traders "buy low and sell high" b. a central bank attempts to stabilize an exchange rate c. national governments use fiscal policy to prevent inflation d. managers allow product prices to float in response to supply and demand shifts e. governments attempt to harmonize their tax policies.
One reason why purchasing power parity may not work perfectly is that transportation costs reduce trading possibilities
a. True b. False
A situation in which output decreases while prices increase is often referred to as:
A. inflation. B. negative economic growth. C. a recession. D. stagflation.