Weak Equity

Steven Kivinen

No 2024-04, Graz Economics Papers from University of Graz, Department of Economics

Abstract: Equal treatment of equals (ETE) is a foundational notion of fairness. However, there are rules that violate ETE while still exhibiting procedural fairness by granting agents symmetric roles. We define weak equity and k-equity (Bartholdi et al., 2021) in a general environment. We show that 2-equity implies ETE under a mild separability condition. Weak equity defines a rich class of rules that often violate ETE. In the fair division environment of Sprumont (1991), we characterize the uniform rule, and sequential allotment rules with equal guarantees (Barbera et al., 1997). Weak equity can give one agent nearly the entire surplus over identical agents.

Keywords: anonymity; equity; fair division. (search for similar items in EconPapers)
JEL-codes: C60 D63 D71 (search for similar items in EconPapers)
Date: 2024-01
New Economics Papers: this item is included in nep-des
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