Ashlagi, Itai; Roth, Alvin E. - In: Theoretical economics : TE ; an open access journal in … 9 (2014) 3, pp. 817-863
As multi-hospital kidney exchange has grown, the set of players has grown from patients and surgeons to include hospitals. Hospitals can choose to enroll only their hard-to-match patient-donor pairs, while conducting easily-arranged exchanges internally. This behavior has already been observed....