Participation Criterion - Weak Participation

Weak Participation

Adding a new ballot shouldn't cause the defeat of the candidate whom that ballot votes over all of the other candidates.

Comments:

Causing that candidate's defeat is much worse than merely causing a lower choice to lose to a still lower choice. Weak-Participation is more important than Participation.


Instant-Runoff meets Weak-Participation. Majority-Judgment and Condorcet fail Weak-Participation.

Read more about this topic:  Participation Criterion

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