3 papers
cs.GT2026
Limitations of Best-of-Both-Worlds Solutions in Approval-Based Multiwinner Elections
Jiarong Jin, Xuanxuan Liu, Biaoshuai Tao
We study the best-of-both-worlds fairness in approval-based multi-winner elections, asking whether ex-ante guarantees for a fractional outcome can be implemented while every realiz…
cs.GT2026
Auctions with Contract Design
Xiaolin Bu, Jiarong Jin, Junzhu Ke +6
We consider a new auction model where the bidders' utilities and the auctioneer's revenue depend on a quality factor of the transaction determined by costly and strategic investmen…
cs.GT2025
On Pareto-Optimal and Fair Allocations with Personalized Bi-Valued Utilities
Jiarong Jin, Biaoshuai Tao
We study the fair division problem of allocating indivisible goods to agents with additive personalized bi-valued utilities. Specifically, each agent assigns one of two…