The randomized communication complexity of randomized auctions
The randomized communication complexity of randomized auctions
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随机拍卖的随机通信复杂性
DOI:
10.1145/3406325.3451111
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Zhao, Junyao
中科院分区:
文献类型:
--
作者:
Rubinstein, Aviad;Zhao, Junyao
We study the communication complexity of incentive compatible auction-protocols between a monopolist seller and a single buyer with a combinatorial valuation function over n items. Motivated by the fact that revenue-optimal auctions are randomized (as well as by an open problem of Babaioff, Gonczarowski, and Nisan), we focus on the randomized communication complexity of this problem (in contrast to most prior work on deterministic communication). We design simple, incentive compatible, and revenue-optimal auction-protocols whose expected communication complexity is much (in fact infinitely) more efficient than their deterministic counterparts. We also give nearly matching lower bounds on the expected communication complexity of approximately-revenue-optimal auctions. These results follow from a simple characterization of incentive compatible auction-protocols that allows us to prove lower bounds against randomized auction-protocols. In particular, our lower bounds give the first approximation-resistant, exponential separation between communication complexity of incentivizing vs implementing a Bayesian incentive compatible social choice rule, settling an open question of Fadel and Segal.
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DOI:
10.1145/2840728.2840736
发表时间:
2015
期刊:
Proceedings of the 2016 ACM Conference on Innovations in Theoretical Computer Science
影响因子:
--
作者:
A. Rubinstein
通讯作者:
A. Rubinstein
DOI:
--
发表时间:
2013
影响因子:
11.1
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发表时间:
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期刊:
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影响因子:
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作者:
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DOI:
10.1137/1.9781611973075.49
发表时间:
2009
期刊:
ArXiv
影响因子:
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作者:
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通讯作者:
Foundation Fellowship
DOI:
10.1145/3219166.3219202
发表时间:
2018
期刊:
Proceedings of the 2018 ACM Conference on Economics and Computation
影响因子:
--
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通讯作者:
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