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econ.TH2026
The Limits of Price Discrimination with a Bayesian Seller
Yuan Deng, Yilin Li, Wei Tang +1
The paper analyzes how a monopoly seller can optimally segment markets and set different prices when its production cost is private and Bayesian, providing a polynomial‑time method…
econ.TH2026
Private Private Information in Second-Price Auction
Boyu Liu, Wei Tang, Zihe Wang +1
Classic results show that even an arbitrarily small correlation across bidders' information can enable full surplus extraction in auctions and related mechanism design settings. Mo…