activity
20242026
collaborators

6 papers

cs.GT2026

Strict Fairness at What Cost? Envy-Free Contracts with Subsidies

Matteo Castiglioni, Junjie Chen, Yingkai Li

We study algorithmic fair contract design, where a principal designs task-level contracts and fairly delegates a set of tasks to a set of agents. Prior work reveals a fairness-reve…

cs.GT2026

Algorithmic Fair Contracts

Matteo Castiglioni, Junjie Chen, Yingkai Li

We initiate the algorithmic study of fair contract design. A principal assigns multiple tasks to heterogeneous agents and chooses task-level linear contracts; agents differ in cost…

cs.GT2025

Fair Team Contracts

Matteo Castiglioni, Junjie Chen, Yingkai Li

A principal selects a team of agents for collaborating on a joint project. The principal aims to design a revenue-optimal contract that incentivizes the team of agents to exert cos…

cs.GT2025

Multi-Project Contracts

Tal Alon, Matteo Castiglioni, Junjie Chen +3

We study a new class of contract design problems where a principal delegates the execution of multiple projects to a set of agents. The principal's expected reward from each projec…

econ.TH2025

The Design of Monopoly Information Broker

Junjie Chen, Takuro Yamashita

An information broker incentivizes consumers to share their information, while designing an information structure to shape the market segmentation. The information broker is a meta…

cs.LG2024

Machine Unlearning in Forgettability Sequence

Junjie Chen, Qian Chen, Jian Lou +3

Machine unlearning (MU) is becoming a promising paradigm to achieve the "right to be forgotten", where the training trace of any chosen data points could be eliminated, while maint…