Based on a general model of the 'quaternary' voting rule, sensitive to voters' choices between four different options (abstaining, voting 'yes', voting 'no' and staying at home), we systematically study different types of majority and quorum. The model allows for a precise formulation of...

In this article, we vindicate the relevance of the notion of success or satisfaction for the normative assessment of voting rules. We provide arguments in support of this view and emphasize the conceptual and analytical differences between this notion and that of decisiveness. The conclusions...

Committees are often made up of representatives, each of them acting on behalf of a group of individuals or constituency of different size, who make decisions by means of a voting rule which specifies what vote configurations in the committee can pass a decision. This raises the question of the...