"American democratic capitalism is in danger. How can we save it? For its first 200 years, the American economy exhibited truly impressive performance. The combination of democratically elected governments and a capitalist system worked, with ever-increasing levels of efficiency, spurred by...

A set of indivisible objects is allocated among agents with strict preferences. Each object has a weak priority ranking of the agents. A collection of priority rankings, a priority structure, is solvable if there is a strategy-proof mechanism that is constrained efficient, i.e. that always...