This paper studies markets for heterogeneous goods using mechanism-design theory. For each combination of desirable properties, we derive an assignment process with these properties in the form of a corresponding direct-revelation game, or we show that it does not exist. Each participant's...

As school districts integrate charter schools for centralized admissions in Denver, New Orleans, Newark and Washington D.C., some charter schools have stayed out of the system. This is counterintuitive as centralized clearinghouses are deemed beneficial to schools as well as students. We provide...

I propose a centralized clearinghouse for college admissions in which students can signal enthusiasm by commitment, like early-decision programs. Furthermore, students can specify financial aid in their preferences and they can be matched with multiple colleges at the same time. This...

Controlled choice over public schools attempts giving options to parents while maintaining diversity, often enforced by setting feasibility constraints with hard upper and lower bounds for each student type. We demonstrate that there might not exist assignments that satisfy standard fairness and...

Controlled choice over public schools attempts giving options to parents while maintaining diversity, often enforced by setting feasibility constraints with hard upper and lower bounds for each student type. We demonstrate that there might not exist assignments that satisfy standard fairness and...