Using US data from 1977-1986, we estimate the impact of environmental policy on state-level output using parametric and nonparametric techniques. While the nonparametric approach yields additional insights, the lack of a relationship between environmental regulation and output is robust

Environmental federalism refers to the debate over the "optimal" level of government at which to delegate environmental policymaking. Although this issue receives widespread attention across the globe, opinions run the gamut. The diversity of views plays out in practice as well as different...