Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/221324
Authors: 
Jackson, Matthew O.
Srivastava, Sanjay
Year of Publication: 
1990
Series/Report no.: 
Discussion Paper No. 965
Abstract: 
For some solution concepts, such as dominant strategies, Nash equilibrium, and undominated strategies, only dictatorial social choice functions are implementable on a full domain of preferences with at least three alternatives. For other solution concepts, such as the iterative removal of weakly dominated strategies, undominated Nash equilibrium, and maximin, it is possible to implement non-dictatorial social choice functions. We begin by offering simple prrofs of several of the "impossibility" results. These proofs provide intuition into the properties of a solution concept which make it impossible to implement non-dictatorial social choice functions. This allows us to provide a characterization of solution concepts which lead to impossibility results, as well as two easily checked sufficient conditions.
Document Type: 
Working Paper

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