Hi, I'm Lei Bill Wang, an Economics PhD candidate from Ohio State University.

My research interests are applied microeconomics and econometrics. In particular, I work on:

behavioral inertia in welfare takeup decision
optimal classroom assignment under endogenous network
policy targeting with classification tree

You can find my CV here.

Job Market Paper

Attention vs Choice in Incomplete Welfare Take-up: What Works for WIC? (with Sooa Ahn)

Conferences: World Congress of Econometric Society 2025, ASSA 2026, MEG2025, Applied Young Economist Webinar 2025

Working Papers

Policy-Oriented Binary Classification: Improving (KD-)CART Final Splits for Subpopulation Targeting (with Zhenbang Jiao and Fangyi Wang) [submitted]

Conferences: MEG 2024

Balancing Efficiency and Equity in Classroom Assignment under Endogenous Peer Effects (with Om Prakash Bedant, Zhenbang Jiao and Haoran Wang) [submitted]

Conferences: WUSTL Graduate Student Conference 2024, MEG 2024

First place at 2024 Haye's Forum poster competition

Estimating Overidentified Linear Models with Heteroskedasticity and Outliers

Conferences: IAAE 2023 with travel grant, MEG 2023, WUSTL Graduate Student Conference 2023

Publication

Financial Thought Experiment: A GAN-based Approach to Vast Robust Portfolio Selection (with Chi Seng Pun and Hoi Ying Wong, 2020) Proceedings of the Twenty-Ninth International Joint Conference on Artificial Intelligence Special Track on AI in FinTech

A Cost-Effective Approach to Portfolio Construction with Range-Based Risk Measures (with Chi Seng Pun, 2019) Quantitative Finance, 21:3, 431-447

Pareto Criterion and Long-Term Perspective Criterion under Myopic Discounting (with Minwook Kang, 2019) Economics Bulletin, 39:1, 24-32

Get in touch at wang.13945@osu.edu

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