Homotopy properties of Pareto aggregation rules
We establish that the Pareto property is inconsistent with non-dictatorship for social choice rules defined on two-dimensional choice spaces. In addition, we consider applications of this result in higher dimensions. We also establish the existence of Pareto rules with infinite populations, and show that in this case there is a strong manipulator.
Volume (Year): 14 (1997)
Issue (Month): 2 ()
|Note:||Received: 30 December 1994/Accepted: 22 April 1996|
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