This paper examines the economic foundations of three criteria used for evaluating the costs and benefits of social programs. Some criteria do not consider the scale of programs or address the costs associated with programs that expand or contract the total government budget. A recent addition...

Public policies that lead to a reduction in the emissions of air and water pollutants or the protection of sensitive ecosystems presumably increase the well-being of many members of society. Applied welfare economists are accustomed to measuring the welfare effects of policies that invoke price...