RESEARCH

• “A Simple Transformation Approach to Difference-in- Differences Estimation for Panel Data,”
  (joint work  with Jeffrey M. Wooldridge),  under revision for Journal of Business & Economic Statistics

• “Simple Approaches to Inference with Difference-in-Differences Estimators with Small Cross-Sectional Sample Sizes,”
  (joint work with Jeffrey M. Wooldridge) 

• “Rolling Approach to Difference-in-Differences: Exploring Treatment Reversibility and Moderating Effects” 

• “Estimating Demand and Consumer Welfare in Online Marketplaces: The Case of Naver Shopping,”
  (joint work with Minsoo Park) 

• “A New Approach to Evaluating Teacher Effectiveness: Impact of Work Environment on Productivity”
  (joint work with Jaehong Lim) 

• “Can Expanding School Options Benefit Students? Evidence from Michigan's Schools of Choice Program”
  (joint work with Tara Kilbride)

TEACHING

• EC567B - Econometrics II, Fall 2025

• EC567C - Econometrics III, Spring 2026