Wu, Haoyang (2011): On amending the sufficient conditions for Nash implementation.
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Abstract
Mechanism design, a reverse problem of game theory, is an important branch of economics. Nash implementation is the cornerstone of the theory of mechanism design. The wellknown Maskin's theorem describes the sufficient conditions for Nash implementation when the number of agents are at least three. A recent work [H. Wu, Quantum mechanism helps agents combat ``bad'' social choice rules. International Journal of Quantum Information, 2010 (accepted) http://arxiv.org/abs/1002.4294 ] shows that when an additional condition is satisfied, the Maskin's theorem will no longer hold by using a quantum mechanism. Although quantum mechanisms are theoretically feasible, agents cannot benefit from them immediately due to the restriction of current experimental technologies. In this paper, we will go beyond the obstacle of how to realize quantum mechanisms, and propose an algorithmic mechanism which leads to the same results as quantum mechanisms do. Consequently, the sufficent conditions for Nash implementation are amended not only in the quantum world, but also in the real world.
Item Type:  MPRA Paper 

Original Title:  On amending the sufficient conditions for Nash implementation 
Language:  English 
Keywords:  Quantum computing; Mechanism design; Nash implementation 
Subjects:  D  Microeconomics > D7  Analysis of Collective DecisionMaking > D71  Social Choice ; Clubs ; Committees ; Associations 
Item ID:  30067 
Depositing User:  Haoyang Wu 
Date Deposited:  08 Apr 2011 00:50 
Last Modified:  27 Apr 2016 01:49 
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URI:  https://mpra.ub.unimuenchen.de/id/eprint/30067 
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