We demonstrate that almost one half of the observed wage gap between East and West Germany reflects differences in worker, establishment, and regional characteristics rather than differences in productivity at the establishment level. Regional price and establishment size differentials alone...

This paper studies the causal effect of providing information about climate change on individuals' willingness to pay to offset carbon emissions in a randomized control trial. Receiving truthful information about ways to reduce CO2 emissions increases individuals' willingness to pay for CO2...