Which of the following is an example of a positive externality?
a. Sue not catching the flu because she got a flu vaccine
b. Mary not catching the flu from Sue because Sue got a flu vaccine
c. Sue catching the flu because she did not get a flu vaccine
d. Mary catching the flu from Sue because Sue did not get a flu vaccine
b
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As the price of cookies increases, firms that produce cookies will:
A. increase the supply of cookies. B. decrease the supply of cookies. C. increase the quantity of cookies supplied. D. decrease the quantity of cookies supplied.
All of the following are reasonable explanations of the labor productivity speed-up in the United States except
a. labor force quality. b. technological change. c. investment spending. d. research and development.
Which of the following both shift aggregate-demand curve to the right?
a) a decrease in taxes and at a given price level consumers feel more wealthy b) a decrease in taxes and at a given price level consumers feel less wealthy c) an increase in taxes and at a given price level consumers feel less wealthy d) an increase in taxes and at a given price level consumers feel more wealthy
If a price ceiling is set above the equilibrium price,
A. there will be a shortage. B. quantity demanded will equal quantity supplied. C. there will be a surplus. D. demand will be less than supply.