7 papers
Consistencies in Social Ranking
Takahiro Suzuki, Michele Aleandri, Stefano Moretti
Ranking individuals based on their performance in different coalitions is a problem emerging in various domains (teams sports, scientific evaluation, argumentation, etc.). Often, f…
Coopetitive Index: a measure of cooperation and competition in coalition formation
Michele Aleandri, Marco Dall'Aglio
We extend the coopetition index introduced by Aleandri and Dall'Aglio (2025) for simple games to the broader class of monotone transferable utility (TU) games and to all non-empty…
Power in Sharing Networks with a priori Unions
Michele Aleandri, Francesco Ciardiello, Andrea Di Liddo
We introduce and analyze a novel family of power indices tailored for sharing networks in technological markets, where firms operate competitively within, but not across, distinct…
Independence Axioms in Social Ranking
Takahiro Suzuki, Michele Aleandri, Stefano Moretti
Independence from non-essential changes in input information is a widely recognized axiom in social choice theory. This independence reduces the cost of specifying and/or analyzing…
Mill's canons meet social ranking: A characterization of plurality
Takahiro Suzuki, Michele Aleandri, Stefano Moretti
In his book entitled ''A System of Logic, Ratiocinative and Inductive'' (1843), John Stuart Mill proposed principles of inductive reasoning in the form of five canons. To date, the…
Ranking alternatives from opinions on criteria
Takahiro Suzuki, Stefano Moretti, Michele Aleandri
A primary challenge in collective decision-making is that achieving unanimous agreement is difficult, even at the level of criteria. The history of social choice theory illustrates…