Extends the Acemoglu & Restrepo (2018) task framework to higher education supply. Constructs an occupational LLM exposure crosswalk for 889 undergraduate majors and uses records of major filings and provincial enrollment plans to study how higher education supply responds to AI exposure. The research is ongoing.
@article{wei2026llm,showresearch={yes},title={Adaptive Adjustment of Higher Education Majors Under LLM Shocks: Theoretical Modeling, Exposure Measurement, and Continuous DID Estimation},author={Wei, Mengqi},journal={Research in progress, advised by Xiaodong Chen and Xiaoliang Yang},year={2026},}
Working Paper
Firm Decision-Making and Market Structure Under Token and AI Agent Shocks: Cost Restructuring, Competitive Pass-Through, and Welfare Implications
Models Tokens and AI Agents as on-demand production inputs, altering firm cost functions. Examines market concentration, pricing, and consumer surplus under Cournot and Bertrand competition with entry/exit and search frictions.
@article{wei2026agenttoken,showresearch={yes},title={Firm Decision-Making and Market Structure Under Token and AI Agent Shocks: Cost Restructuring, Competitive Pass-Through, and Welfare Implications},author={Wei, Mengqi},journal={Working Paper / Independent Research},year={2026},}
Course Paper
From Hotelling to Voting Systems: Preference Space and Social Choice Distortions
Examines candidate positioning and social choice outcomes in multidimensional policy spaces under different electoral rules, highlighting spatial equilibrium characteristics and welfare distortions.
@article{wei2026hotelling,showresearch={yes},title={From Hotelling to Voting Systems: Preference Space and Social Choice Distortions},author={Wei, Mengqi},journal={Coursework Paper / Political Economy},year={2026},}
Competition
Perceived Age Discrimination, Coping Strategies, and Policy Demands of Job Seekers Aged 35+
Mengqi Wei
National "Challenge Cup" Academic Competition, 2026
Cleaned survey microdata, extracted behavioral patterns via principal component analysis, and applied quantile regressions to assess wage penalty heterogeneity across different segments of the labor market.
@article{wei2026age,showresearch={yes},title={Perceived Age Discrimination, Coping Strategies, and Policy Demands of Job Seekers Aged 35+},author={Wei, Mengqi},journal={National "Challenge Cup" Academic Competition},year={2026},}