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Truthful Fair Division

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Algorithmic Game Theory (SAGT 2010)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 6386))

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Abstract

We address the problem of fair division, or cake cutting, with the goal of finding truthful mechanisms. In the case of a general measure space (“cake”) and non-atomic, additive individual preference measures - or utilities - we show that there exists a truthful “mechanism” which ensures that each of the k players gets at least 1/k of the cake. This mechanism also minimizes risk for truthful players. Furthermore, in the case where there exist at least two different measures we present a different truthful mechanism which ensures that each of the players gets more than 1/k of the cake.

We then turn our attention to partitions of indivisible goods with bounded utilities and a large number of goods. Here we provide similar mechanisms, but with slightly weaker guarantees. These guarantees converge to those obtained in the non-atomic case as the number of goods goes to infinity.

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Mossel, E., Tamuz, O. (2010). Truthful Fair Division. In: Kontogiannis, S., Koutsoupias, E., Spirakis, P.G. (eds) Algorithmic Game Theory. SAGT 2010. Lecture Notes in Computer Science, vol 6386. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-16170-4_25

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  • DOI: https://doi.org/10.1007/978-3-642-16170-4_25

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-16169-8

  • Online ISBN: 978-3-642-16170-4

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