In this companion piece to “On the Philosophy of Group Decision Methods I: the Non-Obviousness of Majority Rule,” we take a closer look at some competitors of majority rule. This exploration supplements the conclusions of the other piece, as well as offer a further-reaching introduction to some of the challenges this field currently poses to philosophers.
Risse, Mathias. "On the Philosophy of Group Decision Methods II: Alternatives to Majority Rule." HKS Faculty Research Working Paper Series RWP08-065, November 2008.