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arXiv 1507.07152cs.GT
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单向博弈的讨价还价机制

Bargaining Mechanisms for One-Way Games

Andres Abeliuk, Gerardo Berbeglia, Pascal Van Hentenryck

摘要:

我们引入单向游戏,这是一个由大规模电力恢复,人道主义物流和综合供应链中的应用所激励的框架。这类博弈的显著特点是,某个参与者的收益只取决于她自己的策略,而不依赖于其他参与者的行动。我们表明,在单向博弈的均衡结果没有支付和社会成本的任何事后有效的机制,可以远离最优。我们还表明,这是不可能的设计一个贝叶斯-纳什激励相容的机制,单向游戏,是不平衡的,个人理性的,和有效的。为了解决这个负面的结果,我们提出了一个隐私保护机制,是激励兼容和不公平的平衡,满足事后个人理性的条件,并产生一个结果,这是比没有支付的均衡更有效率。该机制是基于一个单一的报价讨价还价,我们表明,一个随机的多提供扩展带来了没有额外的好处。

英文摘要:

We introduce one-way games, a framework motivated by applications in large-scale power restoration, humanitarian logistics, and integrated supply-chains. The distinguishable feature of the games is that the payoff of some player is determined only by her own strategy and does not depend on actions taken by other players. We show that the equilibrium outcome in one-way games without payments and the social cost of any ex-post efficient mechanism, can be far from the optimum. We also show that it is impossible to design a Bayes-Nash incentive-compatible mechanism for one-way games that is budget-balanced, individually rational, and efficient. To address this negative result, we propose a privacy-preserving mechanism that is incentive-compatible and budget-balanced, satisfies ex-post individual rationality conditions, and produces an outcome which is more efficient than the equilibrium without payments. The mechanism is based on a single-offer bargaining and we show that a randomized multi-offer extension brings no additional benefit.

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