[EM] Did someone say monotonicity? Or: Droop proportionality and monotonicity

Kristofer Munsterhjelm km_elmet at t-online.de
Tue Feb 4 04:16:27 PST 2020


On 04/02/2020 13.01, Markus Schulze wrote:
> Dear Kristofer,
> 
> 
>> In other words, something like "Droop,X" won't retain the
>> benefit of say, "Smith,X" of being automatically monotone
>> whenever X is.
> 
> The Borda count is monotone.
> 
> But Smith//Borda violates monotonicity.

Does Smith,Borda violate monotonicity? (I.e. do Borda on the full set of
candidates, then elect the Smith set member that is ranked highest
according to the Borda outcome.)


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