To find the economy's marginal benefit curve for a public good, you would
A) average the individual marginal benefit curves horizontally.
B) sum the individual marginal benefit curves horizontally.
C) sum the individual marginal benefit curves vertically.
D) average the individual marginal benefit curves vertically.

Question

Quizplus · Accepted Answer

For a public good, the economy's marginal benefit curve is found by summing the individual marginal benefit curves vertically. This is because each individual's benefit from a unit of the public good is enjoyed simultaneously by all, so the total benefit to society is the sum of all individuals' valuations of that unit.

To Find the Economy's Marginal Benefit Curve for a Public