3 papers
econ.TH2026
Characterizations of Proportional Division Value in TU-Games via Fixed-Population Consistency
Yukihiko Funaki, Yukio Koriyama, Satoshi Nakada +1
We study the proportional division value in TU-games, which distributes the grand coalition worth in proportion to the players' stand-alone worths. Focusing on fixed-population con…
econ.TH2026
Characterizing the ELS Values with Fixed-Population Invariance Axioms
Yukihiko Funaki, Yukio Koriyama, Satoshi Nakada +1
We study efficient, linear, and symmetric (ELS) values, a central family of allocation rules for cooperative games with transferable-utility (TU-games) that includes the Shapley va…
econ.TH2025
A Characterization of Egalitarian and Proportional Sharing Principles: An Efficient Extension Operator Approach
Yukihiko Funaki, Yukio Koriyama, Satoshi Nakada
Some well-known solutions for cooperative games with transferable utility (TU-games), such as the Banzhaf value, the Myerson value, and the Aumann-Dreze value, fail to satisfy effi…