3 papers
econ.EM2026
Penalized Likelihood for Dyadic Network Formation Models with Degree Heterogeneity
Zizhong Yan, Jingrong Li, Yi Zhang
Estimating network formation models with degree heterogeneity raises two problems in empirical networks. First, agents that send no links, receive no links, or link to all remainin…
stat.ME2026
Minimax Regret Estimation for Generalizing Heterogeneous Treatment Effects with Multisite Data
Yi Zhang, Melody Huang, Kosuke Imai
To test scientific theories and develop individualized treatment rules, researchers often wish to learn heterogeneous treatment effects that can be consistently found across divers…
stat.ME2025
Individualized Policy Evaluation and Learning under Clustered Network Interference
Yi Zhang, Kosuke Imai
Although there is now a large literature on policy evaluation and learning, much of the prior work assumes that the treatment assignment of one unit does not affect the outcome of…