Author

Georgios Birmpas

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Preprint Oct 2026

Revisiting the Fairness of Pure Nash Equilibria of Round-Robin

We prove that for additive valuations, not every pure Nash equilibrium of the Round-Robin mechanism induces an allocation that is envy-free up to one good (EF1) with respect to the agents'true valuations. This corrects an earlier claim of Amanatidis et al. (WINE 2021; Math. Oper. Res. 2024). On the positive side, every...

Georgios Amanatidis, Haris Aziz, Georgios Birmpas et al. · 0 citations