Under most U.S. environmental regulations, the federal government shares responsibility with the states by authorizing them to implement and enforce federal policies. Authorization provides states with considerable discretion over the effects of regulation and is perhaps the most significant...

Economic evaluations of pollution control policies have traditionally focused on pure efficiency effects either a comparison of their economic costs and environmental benefits, or a comparison of their costs relative to those of alternative control policies (e.g., Cropper and Oates 1992,...

Most US federal environmental policies allow states to assume responsibility for implementation and enforcement of regulations; states with this responsibility are referred to as “authorized” or having “primacy.” Although such decentralization may have benefits, it may also have costs...

This chapter applies recent research on environmental enforcement to a potential U.S. program to control greenhouse gases, especially through emission trading. Climate policies present the novel problem of integrating emissions reductions that are relatively easy to monitor (such as carbon...