Anti-Plurality

Violation of Strategy Proofness

Profile type: Profile
Config: 3 c, 2 v
Parameters: set_preference=pessimist

Violation of Strategy-Proofness for Anti-Plurality under the pessimist set preference.
A voter can benefit by changing their ranking from (2, 1, 0) to (0, 2, 1).

Original Profile:
+---+
| 2 |
+---+
| 2 |
| 1 |
| 0 |
+---+
Profile([[2, 1, 0]], rcounts=[2], cmap={0: '0', 1: '1', 2: '2'})

Anti-Plurality winners are {1, 2}

New Profile:
+---+---+
| 1 | 1 |
+---+---+
| 2 | 0 |
| 1 | 2 |
| 0 | 1 |
+---+---+
Profile([[2, 1, 0], [0, 2, 1]], rcounts=[1, 1], cmap={0: '0', 1: '1', 2: '2'})

Anti-Plurality winner is {2}