Several recent results on the aggregation of judgments over logically connected
propositions show that, under certain conditions, dictatorships are the only propositionwise …

We define the problem of group identification in a fuzzy environment. We concentrate on the
case where the society is required to self-determine the belongingness of each member to a …

Across the world the Western dominated international aid system is being challenged. The
rise of right-wing populism, de-globalisation, the advance of illiberal democracy and the …

A prize is to be awarded, so each candidate designates one of his peers on a ballot. The
ballots determine the lottery that selects the winner, and impartiality requires that no …

I study a model of group identification in which individuals' opinions as to the membership of
a group are aggregated to form a list of group members. Potential aggregation rules are …

The goal of this paper is to analyze the complexity of constructive/destructive bribery and
destructive control in the framework of group identification. Group identification applies to …

Given a set of agents qualifying or disqualifying each other, group identification is the task of
identifying a socially qualified subgroup of agents. Social qualification depends on the …

The polysemic meanings of consensus are surveyed from several points of view, ranging
from philosophical aspects and characterizations of several quantification measures within …

This book challenges the popular view that established ideologies no longer make sense in
today's globalizing world. Considered from a broad historical perspective, major ideological …

The principal claim of this paper is that liberalism and democracy are not only compatible
ideals, as FA Hayek has suggested, but rather complementary ideals. The argument in …