For each of the following projects, what benefits or costs might be included in a social cost-benefit analysis that might be excluded from a private cost-benefit analysis:
a. A hydroelectric project
b. A steel mill
c. A chemical plant
d. A project to improve car safety
e. A training program to improve the skills of minority workers in a firm How might your answers be affected by changes in legislation (e.g., concerning manufacturers' liabilities for automobile accidents, legislation imposing fi nes on polluters)?