Regardless of whether or not they pay for them, people cannot be excluded from receiving the benefits of: a. only public goods. b. only common resources. c. both public goods and common resources.

d. only private goods. e. only artificially scarce goods.

(Look at the graph provided below) Assume that two individuals will share consumption of a public good; each individual has the same marginal benefit curve. What is the marginal social benefit from four units of the public good? a. $0 b. $8

c. $16 d. $32

e. $40

\fPrice per unit S2 S1 L P2 . .m. .m. . .: D W R Quantity (per period)