Kidney exchange emerges as a pioneering application in the early stages of market design. In contrast to most other successful applications in the field, where design economists primarily serve as consultants to decision-makers, in the context of kidney exchange, they assumed the role of...

The primary goal of living crossover kidney donation is to overcome medical incompatibility between donor and recipient through organ exchange and thereby increase the number of kidney transplants. Internationally, a number of best practices have been established on which our statement and...

The Covid-19 pandemic has brought renewed attention to rationing guidelines for scarce medical resources. This paper describes the benefits of using a reserve system over a priority system in operationalizing compromises between certain ethical goals. In the last two years, more than a dozen...

In this paper we analyze two house allocation mechanisms each of which is designed to eliminate inefficiencies in real-life house allocation problems where there are both existing tenants and newcomers. The first mechanism chooses the unique core allocation of a "sister" exchange economy which...