Algorithmic Information Disclosure in Optimal Auctions

Fuente: arXiv
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Main Authors: Cai, Yang, Li, Yingkai, Wu, Jinzhao
Format: Preprint
Published: 2024
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author Cai, Yang
Li, Yingkai
Wu, Jinzhao
author_facet Cai, Yang
Li, Yingkai
Wu, Jinzhao
contents This paper studies a joint design problem where a seller can design both the signal structures for the agents to learn their values, and the allocation and payment rules for selling the item. In his seminal work, Myerson (1981) shows how to design the optimal auction with exogenous signals. We show that the problem becomes NP-hard when the seller also has the ability to design the signal structures. Our main result is a polynomial-time approximation scheme (PTAS) for computing the optimal joint design with at most an $ε$ multiplicative loss in expected revenue. Moreover, we show that in our joint design problem, the seller can significantly reduce the information rent of the agents by providing partial information, which ensures a revenue that is at least $1 - \frac{1}{e}$ of the optimal welfare for all valuation distributions.
format Preprint
id arxiv_https___arxiv_org_abs_2403_08145
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Algorithmic Information Disclosure in Optimal Auctions
Cai, Yang
Li, Yingkai
Wu, Jinzhao
Computer Science and Game Theory
Theoretical Economics
This paper studies a joint design problem where a seller can design both the signal structures for the agents to learn their values, and the allocation and payment rules for selling the item. In his seminal work, Myerson (1981) shows how to design the optimal auction with exogenous signals. We show that the problem becomes NP-hard when the seller also has the ability to design the signal structures. Our main result is a polynomial-time approximation scheme (PTAS) for computing the optimal joint design with at most an $ε$ multiplicative loss in expected revenue. Moreover, we show that in our joint design problem, the seller can significantly reduce the information rent of the agents by providing partial information, which ensures a revenue that is at least $1 - \frac{1}{e}$ of the optimal welfare for all valuation distributions.
title Algorithmic Information Disclosure in Optimal Auctions
topic Computer Science and Game Theory
Theoretical Economics
url https://arxiv.org/abs/2403.08145