[EM] Fall Back Approval

Simmons, Forest simmonfo at up.edu
Fri Jun 3 19:21:11 PDT 2005

Ballots are ordinal with truncation and other equal ranks allowed.
In the first round only the alternatives ranked first (or equal first) are counted as approved, i.e. a tentative cutoff is placed immediately below the top rank on each ballot.
In subsequent rounds the tentative cutoff is moved down one rank on all ballots for which the current tentative approval winner lies more than one rank below the current tentative cutoff.
When all tentative cutoffs cease to move, the current approval winner is declared winner of the election.
[End of Method Definition]
Is this method monotonic?
Does it satisfy the FBC?
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