Differences in prices paid by putative class members (quot;price dispersionquot;) often become a focal point for class certification in antitrust matters. This paper discusses how an economic analysis of the existence, extent, and nature of price dispersion faced by plaintiffs seeking class...

At their core, societal decisions about climate policy—whether emissions reductions, adaptation to climate changes, or the implementation of geoengineering—hinge on collective judgments about the extent to which adverse effects to human welfare and ecosystem services will result from changes...