Which of the following is true under pairwise majority rule if people vote for the outcome closest to their most preferred outcome ?
Correct answer: C. The outcome preferred by the median voter wins
- A. The average preferred outcome wins
- B. There is no clear winner due to Arrow's Impossibility Theorem.
- C. The outcome preferred by the median voter wins
- D. The outcome preferred by the greatest number of voters wins.
Explanation
With single-peaked preferences, pairwise majority voting selects the median voter's preferred outcome: it defeats alternatives on either side in head-to-head comparisons. The average or most frequently preferred outcome need not win.
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