Voting_Methods_and_Fairness_Criteria_Table

# Voting_Methods_and_Fairness_Criteria_Table - Voting Methods...

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Voting Methods and Fairness Criteria Table and Definitions F a i r n e s s C r i t e r i a (B) Voting Methods (A) Majority Condorcet Monotonicity IIA Plurality Method Satisfies Violates See page 7, example 1.3 Satisfies Violates See Table 1-1 below. Alisha wins. If Dave withdraws, Carmen wins! Borda Count Method Violates See page 11, example 1.6 Violates See page 11, example 1.6 Satisfies Violates See page 32, Exercise 17 Plurality with Elimination Method Satisfies Violates See page 12, example 1.7 Violates See page 15, example 1.10 Violates See page 33, exercise 27. Pairwise- Comparisons Method Satisfies Satisfies Satisfies Violates See page18, example 1.12 Voting method A satisfies fairness criterion B means: If, for every election, candidate X is the winner using voting method A, then candidate X is also the “should be” winner using fairness criterion B. So, for every election, if the “is” candidate is the “should be” candidate, satisfies!

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Voting_Methods_and_Fairness_Criteria_Table - Voting Methods...

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