There are many situations in which different groups make collective decisions by committee voting, with each group … represented by a single person. A natural question is what voting system such a committee should use. Concepts based on voting … the choice of voting systems based on such theoretical concepts, in this paper, I ask which systems individuals actually …

qualityhas been acquired or not, we compare the performance of a delegation structure with that oftwo voting procedures …. Delegation makes one's acceptance decision pivotal by definition.The decisiveness of one's vote in a voting procedure depends on …

incentives tounite, relative to larger regions. We show, however, that on thewhole, majority voting on separation and union …

There are many situations in which different groups make collective decisions by committee voting, where each group is … represented by a single person. Theoretical concepts suggest how the voting systems in such committees should be designed, but … these abstract rules can usually not be implemented perfectly. To find voting systems that approximate these rules the so …

particular they predict (i) a Polarization Effect: reduced strategic party choice when voting is voluntary makes voters more … likely to vote for extreme parties (conditional on voting at all); (ii) an Extremist Effect: voters supporting extreme … world elections. Hence, the interaction between turnout and strategic voting that has been neglected in most of the previous …