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Barcelona GSE Working Paper No. 753

Title: Comparing Generalized Median Voter Schemes According to their Manipulability
Authors: R. Pablo Arribillaga, Jordi Massó
Date: 19-02-2014
Keywords: generalized median voting schemes, strategy-proofness, anonymity
JEL Codes: C78, D78
Abstract:
We propose a simple criterion to compare generalized median voter schemes according to their manipulability. We identify three necessary and sufficient conditions for the comparability of two generalized median voter schemes in terms of their vulnerability to manipulation. The three conditions are stated using the two associated families of monotonic fixed ballots and depend very much on the power each agent has to unilaterally change the outcomes of the two generalized median voter schemes. We perform a specific analysis of all median voter schemes, the anonymous subfamily of generalized median voter schemes.
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