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Fair Cake-Cutting in Practice

Kyropoulou, Maria and Ortega, Josue and Segal-Halevi, Erel (2019) Fair Cake-Cutting in Practice. In: EC '19: Proceedings of the 2019 ACM Conference on Economics and Computation, 2018-06-24 - 2018-06-28, Phoenix AZ USA.

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Abstract

Using a lab experiment, we investigate the real-life performance of envy-free and proportional cake-cutting procedures with respect to fairness and preference manipulation. We find that envy-free procedures, in particular Selfridge-Conway, are fairer and also are perceived as fairer than their proportional counterparts, despite the fact that agents very often manipulate them. 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 reduces truth-telling behavior, but also reduces envy.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Published proceedings: EC
Uncontrolled Keywords: cake-cutting; Selfridge-Conway; cut and choose; manipulation; learning
Divisions: Faculty of Science and Health
Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Faculty of Social Sciences
Faculty of Social Sciences > Economics, Department of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 24 Mar 2022 17:54
Last Modified: 24 Mar 2022 17:58
URI: http://repository.essex.ac.uk/id/eprint/24576

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