Samantha is given a flu shot by her doctor. This reduces the probability that she will get the flu and it also reduces the probability that others will get the flu, too. The latter is an example of a

A. negative externality.
B. positive externality.
C. substitute good.
D. complementary good.

Answer: B

Economics

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Scarcity and choice are the basic problems of economics; the supply and demand mechanism is the basic investigative tool of economics

a. True b. False Indicate whether the statement is true or false

Economics

A nation produces three products, A, B, and C. Over two years, the prices of these products change while the quantities produced remain constant, as follows:


Over the period referred to, the nation's nominal GDP increased by 5 percent. The nation's real GDP changed by approximately:
A.
2 percent
B.
3 percent
C.
0 percent
D.
-2 percent

Economics