新论文 · v1arXiv:2610.36712
Characterizing Maximum Nash Welfare: Envy-Freeness and Proportionality
Karen Frilya Celine, Warut Suksompong, Nicholas Teh
When allocating indivisible goods, the maximum Nash welfare rule is known to be the unique welfarist rule satisfying envy-freeness up to one good. We strengthen this characterization by showing that envy-freeness up to one good can be replaced by substantially weaker fairness requirements: envy-freeness up to $k$ goods or proportionality up to $k$ goods, for any fixed $k$. Our characterization holds even for profiles with identical goods.
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econ.TH · cs.GT