Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/171585 
Year of Publication: 
2011
Series/Report no.: 
Economics Working Paper Series No. 11/142
Publisher: 
ETH Zurich, CER-ETH - Center of Economic Research, Zurich
Abstract: 
We show that bounds like those of Al-Najjar and Smorodinsky (J. Econ. Theory, 2000) as well as of Gradwohl et al. (Math. Oper. Res., 2009) on the number of alpha-pivotal agents can be obtained by decomposition of variance. All these bounds have a similar asymptotic behaviour, up to constant factors. Our bound is weaker than that of Al-Najjar and Smorodinsky, but we require only pairwise independent—rather than independent—types. Our result strengthens the bound of Gradwohl et al.
Subjects: 
alpha-pivotal agent
influence
direct mechanism
decomposition of variance
JEL: 
D62
D89
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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