Indicate whether each of the following statements is true, false, or uncertain, and justify your answer. a. Efficient provision of a public good requires that each member of society place the same value on the last unit.
b. If a good is nonrival and excludable, it will never be produced by the private sector.
c. A road is nonrival because one person’s use of it does not reduce another person’s use of it.
d. Larger communities tend to consume greater quantities of a nonrival good than smaller communities.