This is a good approach in the category of simple (only one method
used) proportional ranking based methods.
Use of proportional ranking reduces the proportionality of the council
and the set of n presidents a bit but not much.
The election of the president can be seen to happen before the
election of the council.
Same ballots are used for all elections. => Good for simplicity. Some
small restrictions if the election criteria for P are different from
the criteria of VPs and those of the council members.
The last vice president positions are probably not needed. Their order
will probably become public but should maybe not be emphasized.
Markus Schulze of course recommends a Schulze method based approach
but also any other good Condorcet method could be used as the basis.
The Schulze family of methods has the benefit that it is quite well
documented and the basic single winner Schulze method is also already
used in some organizations. Probably Markus Schulze will also provide
assistance in the promotion of the methods and related software. All
these variants are however very similar so the argumentation and
software is pretty similar in all cases.
I support this approach as one proposal in the category of simple
proportional ranking based methods. No need to limit to the Schulze
method based approach only but to allow also other base methods to be
used (e.g. Ranked Pairs, minmax(margins)). Also other categories or
maybe variants of this one should/could be discussed and proposed as
alternative approaches.
Juho
On May 4, 2010, at 3:42 PM, Markus Schulze wrote:
Dear Peter Zbornik,
this is my proposal:
--Use the Schulze proportional ranking method.
--The top-ranked candidate becomes the president.
--The second-ranked candidate becomes the vice president.
--If the first two candidates happen to be male, then,
when you calculate the third-ranked candidate, restrict
your considerations to female candidates.
If the first two candidates happen to be female, then,
when you calculate the third-ranked candidate, restrict
your considerations to male candidates.
The third-ranked candidate becomes the 2nd vice president.
--The fourth-ranked candidate becomes the 3rd vice president.
--The fifth-ranked candidate becomes the 4th vice president.
--If 4 of the already elected candidates happen to be male,
then, when you calculate the sixth-ranked candidate, restrict
your considerations to female candidates.
If 4 of the already elected candidates happen to be female,
then, when you calculate the sixth-ranked candidate, restrict
your considerations to male candidates.
The sixth-ranked candidate becomes the 5th vice president.
--The seventh-ranked candidate becomes the 6th vice president.
Markus Schulze
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