Public Goods and Common Resources 2923
34. What is the main difficulty facing cost-benefit analysts when they attempt to evaluate the
worthiness of proposed public projects?
35. One way to place a value on human life is to examine the risks that people voluntarily take and
how much they must be paid for taking them. What is the approximate value of a human life
according to studies that use this approach?
36. The mayor of Newton is considering proposals to deal with an unsafe intersection. She could
install a traffic light at a cost of $50,000 or she could install stop signs at a cost of $5,000. The
traffic light is expected to reduce the risk of fatality by 0.45 percent and the stop signs are
expected to reduce the risk of fatality by 0.054 percent. If the value of human life is estimated to
be $10 million, what choice should the mayor make? Briefly explain.
37. Drivers have to pay a toll to drive on certain roads. In essence, a toll is a corrective tax on the