This chapter gives an overview of benefit-cost analysis (BCA) and simi
lar evaluation tools, such as cost-effectiveness analysis and technolo
gy-based standards, in the context of public health. We describe these
evaluation tools, how they are used, their shortcomings, and how they
should be interpreted. As with other powerful tools, they are subject
to misuse and misinterpretation, even by professionals doing the anal
ysis.