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Decentralized pricing in minimum cost spanning trees

机译:最小成本生成树中的分散定价

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摘要

In the minimum cost spanning tree model we consider decentralized pricing rules, i.e., rules that cover at least the efficient cost while the price charged to each user only depends upon his own connection costs. We define a canonical pricing rule and provide two axiomatic characterizations. First, the canonical pricing rule is the smallest among those that improve upon the Stand Alone bound, and are either superadditive or piece-wise linear in connection costs. Our second, direct characterization relies on two simple properties highlighting the special role of the source cost.
机译:在最小成本生成树模型中,我们考虑分散定价规则,即至少涵盖有效成本的规则,而向每个用户收取的价格仅取决于其自己的连接成本。我们定义了规范的定价规则,并提供了两个公理化的特征。首先,规范定价规则是在“独立约束”的基础上改进的最小规则,在连接成本上是超加性的或分段线性的。我们的第二个直接表征依赖于两个简单的属性,突出显示了源成本的特殊作用。

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