About Me

Applied Economist & Data Scientist

Public Health, Health Policy, and Data Science

I use econometrics, causal inference, machine learning, and predictive analytics to study population health, healthcare access, aging, food insecurity, and public policy.

I am an applied economist and data scientist whose research focuses on public health, health economics, aging, and policy evaluation. My work combines causal inference, econometrics, machine learning, and data visualization to examine how policies, economic conditions, and social factors influence health and well-being.

My research has examined food insecurity, diet quality, aging, family transitions, child well-being, substance-use policy, and related public health outcomes. I am especially interested in using large administrative, longitudinal, and survey datasets to generate evidence that can support healthcare organizations, policymakers, and communities.

I currently serve as a Visiting Assistant Professor in the Department of Business and Economics and the Department of Computer and Information Science at Allegheny College. I teach economics, statistics, data science, databases, and quantitative research methods.

View Resume Schedule a Meeting

Public Health Research

Health economics, aging, food insecurity, and population well-being

Policy Evaluation

Causal inference and econometric analysis of health and social policy

Data Science

Machine learning, predictive analytics, and data visualization

Research Focus

  • Health economics, aging, and population health
  • Food insecurity, diet quality, and health outcomes
  • Health and social policy evaluation using causal inference
  • Machine learning and predictive analytics for healthcare and public-sector decision-making

What I Do

  • Public Health & Health Economics

    I study how economic conditions, household transitions, public programs, and health policies affect nutrition, aging, behavioral health, and population well-being.

  • Causal Inference & Policy Evaluation

    I use difference-in-differences, event studies, fixed-effects models, and related econometric methods to evaluate health, education, and social policies.

  • Machine Learning & Predictive Analytics

    I develop interpretable models for risk prediction, population health analysis, institutional planning, and data-informed decision-making.

  • Health Data Analysis & Visualization

    I transform administrative, longitudinal, and survey data into clear statistical findings, dashboards, visualizations, and policy-relevant insights.

Resume

Education

  1. University of Connecticut

    Sep. 2019 — July 2023

    Ph.D. in Agricultural and Resource Economics

  2. Boston University

    Sep. 2014 — May 2016

    Master of Science in Actuarial Science

  3. University of Colorado Denver

    Sep. 2010 — May 2014

    Bachelor of Arts in Economics, Minor in Mathematics

Academic Positions

  1. Visiting Assistant Professor

    2023 — Present

    Department of Business and Economics

    Department of Computer and Information Science

    Allegheny College, Meadville, PA

  2. Graduate Research Assistant

    2019 — 2023

    Department of Agricultural and Resource Economics, University of Connecticut, Storrs, CT

  3. Teaching Fellow

    2015 — 2016

    Department of Mathematics and Statistics, Boston University, Boston, MA

Peer-Reviewed Publications

  1. OxyContin Reformulation and Drug-Related-Arrest Rates, Property-Related Crimes, Child Maltreatment and Food Pantry Participation

    Frontiers in Pharmacology

    Zhao, H., and Sun, X. Volume 17, Article 1681241.

  2. The Impact of Anti-Bullying Laws on Children's Social-Behavioral Skills

    Frontiers in Psychology, 2025

    Sun, X., and Zhao, H. Volume 16, Article 1550736.

  3. Food Security and Health Outcomes Following Gray Divorce

    Nutrients, 2024

    Zhao, H., Andreyeva, T., and Sun, X. Volume 16, Issue 5, Article 633.

  4. Diet Quality and Health in Older Americans

    Nutrients, 2022

    Zhao, H., and Andreyeva, T. Volume 14, Issue 6, Article 1198.

Papers Under Review and in Preparation

  1. Generative AI and Academic Performance

    Early Evidence from the Adoption of ChatGPT in Higher Education

  2. Predictive Analytics in Higher Education

    Machine Learning Approaches to Student Retention in the Age of AI

  3. Peer Clustering for Strategic Planning

    A Clustering-Based Analysis of Liberal Arts Institutions

Courses Taught

  1. Economics

    ECON 100: Introduction to Microeconomics

    ECON 202: Economic Statistics

  2. Computer and Information Science

    CMPSC 102: Discrete Structures

    CMPSC 104: Document Engineering

    CMPSC 105: Data Exploration

    CMPSC 305: Database Systems

  3. Mathematics

    MATH 140: Calculus I with Precalculus Part 1

Professional Experience

  1. Data Analytics

    2023 — 2024

    Institutional Effectiveness, Allegheny College

  2. Data Analyst

    2016 — 2019

    Buyers Edge Platform, New London, CT

Selected Talks and Conferences

  1. The 5th International Conference on Aging and Gerontology

    2024

    Kunming, China

  2. Job Market Paper Presentations

    2023

    Allegheny College; University of Texas Medical Branch; Stony Brook University; University of Tennessee Health Science Center

  3. Northeastern Agricultural and Resource Economics Association Annual Meeting

    2023

    Annapolis, MD

  4. Agricultural & Applied Economics Association Annual Conference

    2019

    Atlanta, GA

Research Grants Experience

  1. Predictors and Consequences of Food Insecurity Among Older Americans

    2019 — 2022

    USDA National Institute of Food and Agriculture, Storrs Agricultural Experiment Station

    Principal Investigator: Tatiana Andreyeva

    Award: $60,000 | Role: Graduate Research Assistant

Media Coverage

  1. Gray Divorce Puts Women at Greater Risk of Food Insecurity

    UConn Today, June 2024

    Read the article

Technical Skills

  • Causal Inference Methods
    90%
  • Machine Learning and Predictive Analytics
    85%
  • Python and Data Analysis
    90%
  • SQL and Database Management
    85%
  • Stata and Econometric Analysis
    90%
  • Data Visualization
    85%
  • Web Development and Documentation
    70%
  • Git, GitHub, and Docker
    75%

Portfolio

Blog