Increasingly, more school districts across the US are using centralized admissions for charter, magnet, and neighborhood schools in a common enrollment system. We first show that, across all school-participation patterns, full participation in the common (or unified) enrollment system leads to...

Increasingly, more school districts across the US are using centralized admissions for charter, magnet, and neighborhood schools in a common enrollment system. We first show that, across all school-participation patterns, full participation in the common (or unified) enrollment system leads to...

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...

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...

In a product choice game played between a long lived seller and an infinite sequence of buyers, we assume that buyers cannot observe past signals. To facilitate the analysis of applications such as online auctions (e.g. eBay), online shopping search engines (e.g. BizRate.com) and consumer...

We study elections with three candidates under plurality voting. A candidate is a Condorcet loser if the majority of the voters place that candidate at the bottom of their preference rankings. We first show that a Condorcet loser might win the election in a three-way race. Next we introduce to...