3 papers
econ.GN2025
Identifying Inattention and Active Choice in Incomplete Social Assistance Takeup: The Case of WIC
Lei Bill Wang, Sooa Ahn
Existing literature on incomplete social assistance takeup points to two distinct behavioral mechanisms: inattention and active choice. We develop an econometric framework that sem…
stat.ML2025
Policy-Oriented Binary Classification: Improving (KD-)CART Final Splits for Subpopulation Targeting
Lei Bill Wang, Zhenbang Jiao, Fangyi Wang
Policymakers often use recursive binary split rules to partition populations based on binary outcomes and target subpopulations whose probability of the binary event exceeds a thre…
econ.GN2024
Balancing Efficiency and Equity in Classroom Assignment under Endogenous Peer Effects
Lei Bill Wang, Zhenbang Jiao, Om Prakash Bedant +1
This paper presents a three-step empirical framework for optimizing classroom assignments under endogenous peer effects, using data from the China Education Panel Survey (CEPS). We…