We provide an axiomatic characterization of Approval Voting without the approval balloting assumption. The dichotomous structure of the informational basis of Approval voting as well as its aggregative rationale are jointly derived from a set of normative conditions on the voting procedure. The...

The article explores the implications of natural resource scarcity in terms of global cooperation and trade. We investigate whether there exist stable international long-term agreements that take into account the disparities between countries in terms of geological endowments and productive...

The “Coase theorem” is made of the efficiency and the neutrality theses. Using cooperative game theory, we show that these two theses are not compatible: there exist only two types of rights assignments that guarantee a nonempty core. Thus, the efficiency thesis holds – there exist (two...

We axiomatically study voting rules without making any assumption on the ballots that voters are allowed to cast. In this setting, we characterize the family of ''endorsement rules", which includes approval voting and the plurality rule, via the imposition of three normative conditions. The...