We analyze the effects of top tax rates on international migration of football players in 14 European countries since 1985. Both country case studies and multinomial regressions show evidence of strong mobility responses to tax rates, with an elasticity of the number of foreign (domestic)...

This paper develops a two-country model to study two questions. How do the degrees of centralization of redistribution and of factor mobility affect the productive efficiency of the economies? What degrees of centralization of redistribution and of factor mobility are likely to be chosen by...

We document three remarkable features of the Opower program, in which social comparison-based home energy reports are repeatedly mailed to more than six million households nationwide. First, initial reports cause high-frequency "action and backsliding," but these cycles attenuate over time....