"Research on collective provision of private goods has focused on distributional considerations. This paper studies a class of problems of decision under uncertainty in which the argument for collective choice emerges from the mathematics of aggregating individual payoffs. Consider decision...

Understanding the exact connection between inequality and justice is important because justice is classically regarded as the first line of defense against self-interest and inequality. Absent a strong and clear link between inequality and justice, the sense of justice would not awaken to exert...

We study the feasibility and efficiency of policy reforms in polarized democracies. We develop a simple election model where (i) reforms are costly for voters and politicians and these costs increase with the extent of policy change, and (ii) politicians differ in their ability to carry out...