2 papers
cs.GT2026
Autobidding Equilibria in Sponsored Shopping
Paul Dütting, Yuhao Li, Renato Paes Leme +2
As commerce shifts to digital marketplaces, platforms increasingly monetize traffic through Sponsored Shopping auctions. Unlike classic ``Sponsored Search", where an advertiser typ…
cs.GT2026
Constant Inapproximability of Pacing Equilibria in Second-Price Auctions
Xi Chen, Yuhao Li
In this paper, we revisit the problem of approximating a pacing equilibrium in second-price auctions, introduced by Conitzer, Kroer, Sodomka, and Moses [Oper. Res. 2022]. We show t…