In a matching problem between students and schools, a mechanism is said to be robustly stable if it is stable, strategy-proof, and immune to a combined manipulation, where a student first misreports her preferences and then blocks the matching that is produced by the mechanism. We find that even...

We consider a model of common-value sequential voting in which voters are differentiated in their information. We ask whether the intuition as in the simultaneous-voting case---voters with no information would vote so as not to influence the outcome---would be valid to imply long voting in our...