[EM] full ranks in MDDA (not)

[Chris Benham]

Warren Smith wrote:

>A. I would prefer it if MDDA actually forbids approving everybody e.g. by saying
>"if you rank them all, then the last is automatically disapproved."  Then we are
>sure and do not have to depend on this assumption.
>
>
>  
>
I  agree with this, and the same for all implicit approval methods.

>B. If last-not-approved-only behavior is very common then the result will be
>"AntiPlurality voting" to do the approvals.  AntiPlurality voting is a very bad system
>in which with strategy a "dark horse" always wins.  So this gives me bad vibes.
>Seem to me this might happen in a substantial subclass of elections - then things
>could still be bad, albeit in a different way.
>
I  agree with this, but MDDA is being promoted for public political 
elections with a lot winning-probability information
and a lot of  strategic voters (who are happy to truncate and 
Compromise-compress).


Chris Benham