Campbell, Donald E., 1943- Incentives : motivation and the economics of information / Donald E. Campbell. - 2nd ed. - xii, 591 p. : ill. ; 27 cm. ISBN: 0521539749 Subjects--Topical Terms: Sosyal seçim--Matematiksel modellerSocial choice--Mathematical models LC Class. No.: HB846.8 / .C365 2006