level of risk. Our starting point is to use a hierarchical risk aggregation method which was initially based on two …

transformed to an index variable using four distinct aggregation techniques (discretionary weighting, optimized weighting …

aggregation methods, we find that listening to violinists from the mid of the previous century does not seem to be significantly … growing literature on the aggregation of incomplete lists. In particular, we introduce a generalization of the Nash collective …

We study the aggregation of partial orders into a complete ordering, and prove both possibility and impossibility … since even dictatorial aggregation rules may fail to satisfy it. On the other hand, domain restrictions enable non …-dictatorial aggregation rules satisfying a number of attractive properties. In particular, we show that anonymous aggregation satisfying a …

We reappraise the Arrow problem by studying the aggregation of choice functions. We do so in the general framework of … judgment aggregation, in which choice functions are naturally representable by specifying, for each menu A and each alternative … consistency requirements we impose on choice functions. While the aggregation of 'binary' choice functions, i.e. those satisfying …