We analyze and evaluate the different decision rules describing the Council of Ministers of the EU starting from 1958 up to date. Most of the existing studies use the Banzhaf index (for binary voting) or the Shapley-Shubik index (for distributive politics). We argue in favor of the nucleolus as...

A laboratory study of group decision making found that social context (competitive or cooperative) and decision strategy (consensus or majority voting) affected decision acceptance, understanding, decision time, and affective reactions to the group, although decision quality was not affected

In this chapter, we seek to review some of the central concepts and results in the literature on positionalist voting rules, which goes back to Borda (1781) . After the introduction of the basic notation and definitions in earlier parts of the chapter, we explore in Section 3 the distinction...

Using probabilistic methods and economic principle of maximization, the book studies: performance of different majority rules, independence versus cooperation among the members of an organization in reaching a decision, consequences of the presence of a leader on the performance of a decision...