Efficient Bilateral Trade

Efficient Bilateral Trade
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高效的双边贸易

DOI:
10.4108/eai.8-8-2015.2260906
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发表时间:
2015
期刊:
EAI Endorsed Trans. Serious Games
影响因子:
--
通讯作者:
Rodney J. Garratt
Rodney J. Garratt
中科院分区:
--
文献类型:
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作者:
M. Pycia;Rodney J. Garratt

文献摘要

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我们重新审视了迈尔森和萨特思韦特(1983)的经典问题,即当双方都私下了解他们对商品的估价时,双方是否可以以帕累托有效的方式交易不可分割的商品。放松的假设,公用事业是准线性的,我们表明,有效的贸易一般是可能的,如果代理人的效用函数不是太敏感的私人信息。在自然的例子中,即使代理人的效用函数对他们的私人信息高度敏感,有效的交易也是可能的。分析依赖于我们引入的新方法。
We re-examine the canonical question of Myerson and Satterthwaite (1983) whether two parties can trade an indivisible good in a Pareto efficient way when they are both privately-informed about their valuations for the good. Relaxing the assumption that utilities are quasi-linear, we show that efficient trade is generically possible if agents’ utility functions are not too responsive to private information. In natural examples efficient trade is possible even when agents’ utility functions are highly responsive to their private information. The analysis relies on new methods we introduce.