Multiple Choice
Which of the following is a positive externality?
A) After measles vaccinations increase by 20%, the number of cases of measles falls by 35%.
B) After a large stadium is built in a neighborhood, homeowner property values in the neighborhood fall because of noise and traffic.
C) After the price of dental care decreases, more people can afford regular dental check-ups.
D) Researchers develop a new drug that effectively treats a devastating disease that previously had no cure.
Correct Answer:
Verified
Correct Answer:
Verified
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