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Fair Cake-Cutting in Practice

Kyropoulou, Maria and Ortega, Josue and Segal-Halevi, Erel (2022) 'Fair Cake-Cutting in Practice.' Games and Economic Behavior, 133. pp. 28-49. ISSN 0899-8256

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Abstract

Using two lab experiments, we investigate the real-life performance of envy-free and proportional cake-cutting procedures with respect to fairness and preference manipulation. Although the observed subjects' strategic behavior eliminates the fairness guarantees of envy-free procedures, we nonetheless find evidence that suggests that envy-free procedures are fairer than their proportional counterparts. Our results support the practical use of the celebrated Selfridge-Conway procedure, and more generally, of envy-free cake-cutting mechanisms. We also find that subjects learn their opponents' preferences after repeated interaction and use this knowledge to improve their allocated share of the cake. Learning increases strategic behavior, but also reduces envy.

Item Type: Article
Uncontrolled Keywords: cake-cutting; Selfridge-Conway; cut-and-choose; envy; fairness; preference manipulation; experimentation and learning
Divisions: Faculty of Science and Health
Faculty of Science and Health > Computer Science and Electronic Engineering, School of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 09 Feb 2022 16:38
Last Modified: 23 Sep 2022 19:52
URI: http://repository.essex.ac.uk/id/eprint/32218

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