In the previous post I gave an example of students deciding who best guessed some lecturers’ ages.
I chose the numbers carefully so that under three reasonable methods of measuring:
|Method||First place||Second place||Third place|
This is actually almost identical to Condorcet’s voting paradox:
|Voter||First preference||Second preference||Third preference|
If three people in an election vote for candidates A, B, and C this way, then even using a method that takes account of all the preferences in one of the Condorcet voting system leads to a deadlock. Continue reading