We study a problem in which policymakers need to screen self-selected individuals by unobserved heterogeneity in social welfare gains from a policy intervention. In our framework, the marginal treatment effects and marginal treatment responses arise as key statistics to characterize social...

Firms and governments often use moral suasion and economic incentives to influence intrinsic and extrinsic motivations for various economic activities. To investigate the persistence of such interventions, we randomly assigned households to moral suasion and dynamic pricing that stimulate energy...

The allocation of emissions allowances is among the most contentious elements of the design of cap-and-trade systems. In this paper we develop a detailed representation of the US western electricity market to assess the potential impacts of various allocation proposals. Several proposals involve...