Quadratic voting
Collective decision-making procedure / From Wikipedia, the free encyclopedia
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Quadratic voting is a rated voting method procedure where voters express the degree of their preferences.[1] By doing so, quadratic voting seeks to address issues of the Condorcet paradox and tyranny of the majority. Quadratic voting works by allowing users to "pay" for additional votes on a given outcome to express their support for given issues more strongly, resulting in voting outcomes that are aligned with the highest willingness to pay outcome, rather than just the outcome preferred by the majority regardless of the intensity of individual preferences. The payment for votes may be through either artificial or real currencies (e.g. with tokens distributed equally among voting members or with real money).[2][1] Quadratic voting is a variant of cumulative voting, which differs in that the weight of a vote is normalized using the sum of squares, rather than the sum of absolute values.
E. Glen Weyl and Steven Lalley published research in 2017 in which they argue the method has high social utility efficiency.[3]
Number of votes |
"Vote credit" cost |
---|---|
1 | 1 |
2 | 4 |
3 | 9 |
4 | 16 |
5 | 25 |