Gaoqian Xu

collaborators

2 papers

econ.EM2026

Policy Learning under Unobserved Confounding: A Robust and Efficient Approach

Zequn Jin, Gaoqian Xu, Xi Zheng +1

This paper develops a robust and efficient method for policy learning from observational data in the presence of unobserved confounding, complementing existing instrumental variabl…

econ.EM2025

Policy Learning with $I^\pm$ -Expected Welfare

Yanqin Fan, Yuan Qi, Gaoqian Xu

This paper proposes an optimal policy that targets the average welfare of the worst-off $I^\pm$ -fraction of the post-treatment outcome distribution. We refer to this policy as the $Î±…

Policy Learning under Unobserved Confounding: A Robust and Efficient Approach

Policy Learning with I^±-Expected Welfare

Policy Learning with $I^\pm$ -Expected Welfare