Declared strategy voting
Declared strategy voting or DSV is a type of election method that works by submitting strategic votes to an underlying election method. The name was first used in 1995 by L. F. Cranor.
By voting in a DSV method, the voter provides the method with an instruction of whom to optimize the ballot for. For instance, if the DSV method is given a ranked ballot that ranks A first and B second, that means that the method should try to optimize that voter's ballot so as to elect A, and in the cases where it's impossible to get A elected, to optimize in favor of B.
The purpose of a DSV method is to resist voter strategy and thus level the playing field between honest and strategic voters. Because of Gibbard's theorem, it is never possible to completely do so; but DSV methods tend to be more resistant to strategy than the methods they're based on.
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References[edit | edit source]
- Cranor, Lorrie Faith (1995). "Can Declared Strategy Voting be an Effective Instrument for Group Decision-Making?".
- Cranor, Lorrie Faith (1996). "Declared-Strategy Voting: An Instrument For Group Decision-Making".