Search Results for author: Sareh Nabi

Found 3 papers, 0 papers with code

Advancing Ad Auction Realism: Practical Insights & Modeling Implications

no code implementations21 Jul 2023 Ming Chen, Sareh Nabi, Marciano Siniscalchi

Contemporary real-world online ad auctions differ from canonical models [Edelman et al., 2007; Varian, 2009] in at least four ways: (1) values and click-through rates can depend upon users' search queries, but advertisers can only partially "tune" their bids to specific queries; (2) advertisers do not know the number, identity, and precise value distribution of competing bidders; (3) advertisers only receive partial, aggregated feedback, and (4) payment rules are only partially known to bidders.

counterfactual

MESOB: Balancing Equilibria & Social Optimality

no code implementations16 Jul 2023 Xin Guo, Lihong Li, Sareh Nabi, Rabih Salhab, Junzi Zhang

Motivated by bid recommendation in online ad auctions, this paper considers a general class of multi-level and multi-agent games, with two major characteristics: one is a large number of anonymous agents, and the other is the intricate interplay between competition and cooperation.

Bayesian Meta-Prior Learning Using Empirical Bayes

no code implementations4 Feb 2020 Sareh Nabi, Houssam Nassif, Joseph Hong, Hamed Mamani, Guido Imbens

Our Empirical Bayes method clamps features in each group together and uses the deployed model's observed data to empirically compute a hierarchical prior in hindsight.

Combinatorial Optimization Management

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