Slater

Violation of Strategy Proofness

Profile type: Profile
Config: 4 c, 3 v
Parameters: ∅

Violation of Strategy-Proofness for Slater under the single-winner set preference.
A voter can benefit by changing their ranking from (1, 3, 2, 0) to (1, 0, 2, 3).

Original Profile:
+---+---+---+
| 1 | 1 | 1 |
+---+---+---+
| 1 | 2 | 3 |
| 3 | 0 | 1 |
| 2 | 3 | 2 |
| 0 | 1 | 0 |
+---+---+---+
Profile([[1, 3, 2, 0], [2, 0, 3, 1], [3, 1, 2, 0]], rcounts=[1, 1, 1], cmap={0: '0', 1: '1', 2: '2', 3: '3'})

Slater winner is {3}

New Profile:
+---+---+---+
| 1 | 1 | 1 |
+---+---+---+
| 2 | 3 | 1 |
| 0 | 1 | 0 |
| 3 | 2 | 2 |
| 1 | 0 | 3 |
+---+---+---+
Profile([[2, 0, 3, 1], [3, 1, 2, 0], [1, 0, 2, 3]], rcounts=[1, 1, 1], cmap={0: '0', 1: '1', 2: '2', 3: '3'})

Slater winner is {1}