AI RESEARCH

Debiased Front-Door Learners for Heterogeneous Effects

arXiv CS.LG

ArXi:2509.22531v2 Announce Type: replace-cross In observational settings where treatment and outcome share unmeasured confounders but an observed mediator remains unconfounded, the front-door (FD) adjustment identifies causal effects through the mediator. We study the heterogeneous treatment effect (HTE) under FD identification and