Ekeland, Ivar; Galichon, Alfred - In: Economic Theory 54 (2013) 3, pp. 425-441
This paper exhibits a duality between the theory of revealed preference of Afriat and the housing allocation problem of Shapley and Scarf. In particular, it is shown that Afriat’s theorem can be interpreted as a second welfare theorem in the housing problem. Using this duality, the revealed...