Kato, Miki; Ohseto, Shinji - In: Social Choice and Welfare 19 (2002) 3, pp. 659-664
We study the possibility of strategy-proof and efficient mechanisms in pure exchange economies. In his remarkable paper, Zhou (1991) establishes an elegant impossibility result: there is no strategy-proof, efficient, and non-dictatorial mechanism in the two-agent case. He conjectures that there...