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Linear cost share equilibria and the veto power of the grand coalition

机译:线性成本份额均衡和大联盟的否决权

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摘要

We consider pure exchange economies with finitely many private goods involving the choice of a public project. We discuss core-equivalence results in the general framework of non-Euclidean representation of the collective goods. We define a contribution scheme to capture the fraction of the total cost of providing the project that each blocking coalition is expected to cover. We show that for each given contribution scheme defined over the wider class of Aubin coalitions, the resulting core is equivalent to the corresponding linear cost share equilibria. We also characterize linear cost share equilibria in terms of the veto power of the grand coalition. It turns out that linear cost share equilibria are exactly those allocations that cannot be blocked by the grand coalition with reference to auxiliary economies with the same space of agents and modified initial endowments and cost functions. Unlike the Aubin-type equivalence and results presented in Diamantaras and Gilles (Soc Choice Welf 15:121–139, 1998), this characterization does not depend on a particular contribution scheme.
机译:我们考虑纯交换经济,其中私人产品数量有限,涉及公共项目的选择。我们在集体产品的非欧氏表示的一般框架中讨论核心等效性结果。我们定义了一个缴款计划,以捕获每个阻塞性联盟预期提供的项目所占总成本的一部分。我们表明,对于在较宽泛的奥宾联盟类别中定义的每个给定缴款方案,所得核心等于相应的线性成本份额均衡。我们还根据大联盟的否决权来刻画线性成本份额均衡。事实证明,线性成本分担均衡恰恰是大联盟无法参照那些具有相同代理人空间并修改了初始initial赋和成本函数的辅助经济体阻止的分配。与Diamantaras和Gilles(Soc Choice Welf 15:121-139,1998)中提出的Aubin型等价物和结果不同,此特征不取决于特定的贡献方案。

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  • 来源
    《Social Choice and Welfare》 |2012年第2期|269-303|共35页
  • 作者单位

    Dipartimento di Matematica e Statistica University of Napoli Federico II and CSEF Complesso Monte S. Angelo Via Cintia 80126 Napoli Italy;

    Dipartimento di Strategie Aziendali e Metodologie Quantitative Seconda Universitá di Napoli Napoli Italy;

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