Qinxin Chen

Ph.D. Candidate in Quantitative Marketing

Hi! This is Qinxin Chen.

I’m a Ph.D. Candidate in the Marketing area at Olin Business School, Washington University in St. Louis. My research integrates machine learning with structural choice models to study pricing strategies and healthcare markets with complex product interactions. I am advised by Prof. Tat Chan and Prof. Dennis Zhang.

Download my Curriculum Vitae.

Interests

Pricing
Healthcare
Structural Models
Causal Inference
Machine Learning

Education

Ph.D. in Marketing (Quant), 2021 -

Washington University in St. Louis
M.S. in Business Analytics, 2019 - 2021

Washington University in St. Louis
B.S. in Statistics, 2015 - 2019

Southwestern University of Finance and Economics

Personal

You can pronounce my first name like “Chin-shin”.
When I’m not focused on research, you can usually find me exploring the local food scene, or managing a virtual boba shop in a restaurant-themed video game.

Research

Qinxin Chen, Yijun Chen, Tat Chan. An Empirical Investigation of the Optimal Design of Quantity-based Subscription Plans. Major Revision at Management Science, 2025.

Shuo Zhang, Qinxin Chen, Xiang Hui, Meng Liu, Tat Chan, Tianjun Feng, Fuqiang Zhang. The Effect of Intellectual Protection Policies on Online Retail Platforms. Working Paper, 2025.

Qinxin Chen, P.B. (Seethu) Seetharaman. 'Size Does Matter': Demand and Pricing Implications of Market Potential Assumptions in the MNL Model. Working Paper, 2025.

Qinxin Chen, Jingcun Cao, Tat Chan, Dennis Zhang. The Effects of Commission on Drug Sales and Patient Welfare in Pharmacy Stores. Work in progress, 2025.

Qinxin Chen, Luyi Huang, Shuo Zhang, Tat Chan. Channel Promotions on a Digital Platform. Work in progress, 2025.

Teaching

Empirical Methods in Business (Part A)