Abstract
We consider the problem of fairly allocating an infinitely divisible commodity among a group of agents with single-peaked preferences. We address the issue of (Nash)-implementability of solutions to this problem. As the lack of monotonicity of preferences often causes solutions to violate no veto power, the classic Maskin-type theorems cannot be invoked. Instead, we show that more powerful theorems due to Danilov-Yamato and Sjöström can help settle implementation questions for most of the central fairness concepts, generally in the positive.
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This paper is based on Sect. 4 of Thomson (1990). I thank the NSF for its support under grant No. SES 0214691, and Rajeev Bhattacharya, Hervé Moulin, Ken-Ichi Shimomura and Takehiko Yamato, and in particular Eun Jeong Heo, Tarık Kara, Vikram Manjunath, Rodrigo Velez, Ayşe Yazıcı, and a referee for their comments.
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Thomson, W. Implementation of solutions to the problem of fair division when preferences are single-peaked. Rev Econ Design 14, 1–15 (2010). https://doi.org/10.1007/s10058-009-0092-9
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DOI: https://doi.org/10.1007/s10058-009-0092-9
Keywords
- Single-peaked preferences
- Uniform rule
- Nash implementability
- Maskin monotonicity
- No veto power
- Strong monotonicity