The concepts of an environmental Gini coefficient along with a measure of ''pollution elasticity'' are introduced and used to analyze the distribution of pollution across U.S. states from 1988 -- 1996. The special properties of the Gini coefficient allow one to decompose overall pollution...

Researchers in economics and other disciplines are often interested in the causal effect of a binary treatment on outcomes. Econometric methods used to estimate such effects are divided into one of two strands depending on whether they require the conditional independence assumption (i.e.,...

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...