In mechanism design, the Vickrey–Clarke–Groves (VCG) mechanism is a generic truthful mechanism for achieving a socially optimal solution whenever monetary transfers are …

Clarke Tax 是格罗夫斯机制的一种特例。 直观上来讲，这个机制是这样设计的：每个人(agent)揭示他对每种结果的估值，也就是说每种结果能给他带来多少的回报。

vcg理论性质是很好，但在现实中基本没有应用。 Ausubel和Milgrom（2006）和Rothkopf（2007）解释了这一点。 大致说来包括以下几点：拍卖中卖家收益不高；有通讯等 …

bank may overstate its need for a federal bailout, hoping to get taxpayers to absorb its losses. buyer might understate its value, hoping to get a lower price. VCG mechanisms achieve …

维克里-克拉克-格罗夫斯机制 （英語： Vickrey–Clarke–Groves mechanism）简称 VCG机制，是 机制设计 中实现社会最优解的通用真实机制，该机制是 维克里-克拉克-格罗夫斯拍卖 的泛化 …

VCG mechanism specifies that the PS4 should be purchased: x⇤ (v) = 1, but x⇤ (v i) = 0 for all i.

VCG discussion x(^v) = argmax x X i ^v i(x) p i(^v) = X j6=i v^ j(x(^v i)) X j6=i ^v j(x(^v)) You get paid everyone’s utility under the allocation that is actually chosen except your own, but you get …

The VCG Mechanism (aka Pivot Mechanism) •Definition 10.4.4 (Clarke tax) The Clarke tax sets the ℎ % term in a Groves mechanism as ℎ %)4?% =∑ )4 A(1()4?%)) AB%,where!is the Groves …

We introduce the Vickrey-Clarke-Groves Mechanism mechanism, a direct auction for multiple goods, and argue that it is DSIC. In single-parameter environments, there is sometimes a …

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