RESEARCH FIELDS: Health Economics, Labor Economics, Econometrics

REFEREED JOURNAL PUBLICATIONS (Google Scholar)

  1. Cao, P., Ienciu, K., Bai, Y.,…& Chum, A. (2026). Can pharmacare reduce suicide-related behaviors? A quasi-experimental

    study in Ontario youth. Social Science & Medicine https://doi.org/10.1016/j.socscimed.2026.119465

  2. Bai, Y., Chum, A. & Liu, Q. (2026). Beyond the Gender Binary: Wage Inequality and Occupational Segregation among Transgender and Nonbinary Workers. Review of Economics of the Household https://doi.org/10.1007/s11150-026-09855-z

  3. Bai, Y., Kim, C., …& Chum, A. (2026). The impact of universal credit on mental, physical, and financial well-being: longitudinal evidence from the UK household longitudinal survey. Social Psychiatry and Psychiatric Epidemiology https://doi.org/10.1007/s00127-026-03108-1

  4. Bai, Y., Cao, P., …& Chum, A. (2026). Longitudinal trends in vaping, smoking, and harmful alcohol use across sexual orientations in the UK (2014-2021). PLOS ONE https://doi.org/10.1371/journal.pone.0339847

  5. Bai, Y., Cao, P., …& Chum, A. (2025). Gender Identity and Activity Limitations: A National Study on Transgender and Non-Binary Canadians. Preventive Medicine https://doi.org/10.1016/j.ypmed.2025.108224

  6. Bai, Y., Kim, C., …, & Chum, A. (2025). Housing Insecurity and Disparities Among Gender Minorities in Canada: Evidence from a National Census. American Journal of Preventive Medicine https://doi.org/10.1016/j.amepre.2025.108256

  7. Bai, Y., Cao, P., …& Chum, A. (2025). The Impact of Recreational Cannabis Retailer Allocation on Emergency Department Visits: A Natural Experiment Utilizing Lottery Design. International Journal of Drug Policy https://doi.org/10.1016/j.drugpo.2025.104708

  8. Bai, Y., Kim, C., & Chum, A. (2025). Rings and Rebuttals: A Quasi-Experimental Study on the Psychological Impact of Marriage Equality on Low-Income Black sexual minorities in the UK. Archives of Sexual Behavior https://doi.org/10.1007/s10508-024-03067-1

  9. Bai, Y., Devlin, R., ..., & Sarma, S. (2025). Physician payment models and preventive cancer screening: A population-based retrospective cohort analysis from Ontario, Canada. Family Practice https://doi.org/10.1093/fampra/cmaf076

  10. Bai, Y., Stranges, S. & Sarma, S. (2025). Investigation of Rural-Urban Differences in Hospitalization for Ambulatory Care-Sensitive Conditions: Analysis of Linked Survey, Hospitalization and Tax Data from Canada. The Journal of Rural Health

    https://doi.org/10.1111/jrh.70010

  11. Bellows, Z., Kim, C., Bai, Y., Cao, P., & Chum, A. (2025). Disparities in self-reported Mental Health, Physical Health, and Substance Use Across Sexual Orientations in Canada. PLOS ONE https://doi.org/10.1371/journal.pone.0305019

  12. Bai, Y., & Grignon, M. (2024). Why do drinkers earn more? Job characteristics as a possible link. Health Economics, 33(6), 1133-1152. https://doi.org/10.1002/hec.4808

  13. Bai, Y., Kim, C., & Chum, A. (2024). Impact of the minimum wage increase on alcohol use disorders: a quasi-experimental study in South Korea. American Journal of Epidemiology, kwae315. https://doi.org/10.1093/aje/kwae315

  14. Bai, Y., Li, Q., Liu, Q., & Veall, M. (2024), Chinese Minimum Wages and Health. Social Science & Medicine https://doi.org/10.1016/j.socscimed.2024.117430

  15. Bai, Y., Reid, J., … & Sarma, S. (2024). Interprofessional team-based primary care practice and preventive cancer screening: Evidence from Family Health Teams in Ontario, Canada. The European Journal of Health Economics https://doi.org/10.1007/s10198-024-01745-4

  16. Bai, Y., & Veall, M. R. (2024). Minimum wage and alcohol drinking: evidence from Canada. Economics and Human Biology https://doi.org/10.1016/j.ehb.2024.101464

  17. Bai, Y., Kim, C., & Chum, A. (2024). Effect of Same-Sex Marriage Legalisation on the Health of Ethnic Minority Lesbian, Gay, and Bisexual People: A Quasi-Experimental Study. Journal of Epidemiology & Community Healthhttps://doi.org/10.1136/jech-2024-222651

  18. Bai, Y., Kim, C., ... & Chum, A. (2024). Long-term trends in mental health disparities across sexual orientations in the UK: a longitudinal analysis (2010-2021), Social Psychiatry and Psychiatric Epidemiology, 1-10.https://doi.org/10.1007/s00127-024-02751-w

  19. Kim, C., Bai, Y., Allin, S., Kirst, M., O’Campo, P., Ienciu, K., ... & Chum, A. (2024). Cannabis legalization and hospitalizations in Alberta: Interrupted time series analysis by age and sex. Journal of Addictive Diseases, 1-4. https://doi.org/10.1080/10550887.2024.2355370

  20. Kim, C., Bai, Y., ... & Chum, A. (2024). Mental health disparities across sexual orientations during the COVID-19 pandemic: longitudinal analysis of a UK nationally representative cohort. Public Health, 236, 445-451. https://doi.org/10.1016/j.puhe.2024.09.009

  21. Kim, C., Bai, Y., ... & Chum, A. (2024). The impact of recreational cannabis legalization on cannabis-related acute care events among adults with schizophrenia. Social Psychiatry and Psychiatric Epidemiology, 1-8. https://doi.org/10.1007/s00127-024-02773-4

  22. Kim, C., Bai, Y., Dusing, G. J., Nielsen, A., & Chum, A. (2024). The impact of minimum wage increase on suicidal ideation in South Korea: A difference-in-differences analysis using nationally representative panel data. Social Psychiatry and Psychiatric Epidemiology, 1-9. https://doi.org/10.1007/s00127-024-02646-w

  23. Kim, C., Bai, Y., O'Campo, P., & Chum, A. (2024). Impact of the minimum wage increase on intimate partner violence (IPV): a quasi-experimental study in South Korea. Journal of Epidemiology & Community Health, 78(4), 235-240. https://doi.org/10.1136/jech-2023-221339

  24. Grignon, M., Liu, Q., Bai, Y., Etoom, B. (2024). Assessing the Impact of the 2012 National Student Loan Forgiveness on Rural Health Human Resources, Health Reform Observer – Observatoire des Réformes de Santé, 11(3). https://doi.org/10.13162/hro-ors.v11i3.5809

  25. Bai, Y., Kim, C., & Chum, A. (2023). Impact of the minimum wage increase on smoking behaviour: A quasi-experimental study in South Korea. Social Science & Medicine, 333, 116135. https://doi.org/10.1016/j.socscimed.2023.116135

  26. Bai, Y., & Veall, M. R. (2023). Minimum wages and mental health: Evidence from Canada. SSM-Mental Health, 3, 100187. https://doi.org/10.1016/j.ssmmh.2023.100187

  27. Grignon, M., & Bai, Y. (2023). A cross-sectional analysis of the association between social capital and willingness to get COVID-19 vaccine in Ontario, Canada. Canadian Journal of Public Health, 114(2), 175-184. https://doi.org/10.17269/s41997-023-00746-9

WORKING PAPERS

  1. “Minimum wage and smoking: evidence from Canada” (with Michael Veall)

  2. “The impact of municipal cannabis retailer bans on cannabis-related emergency department visits: a quasi-experimental study in Ontario, Canada” (with Antony Chum et al.)

  3. “Disparities across sexual orientations in follow-up care after non-fatal suicide-related acute care events” (with Antony Chum et al.)

  4. “Transitions to senior grades and child mental health during the COVID-19 pandemic: Longitudinal evidence from Chengdu, China” (with Jia Peng, Michael Veall)

SELECTED WORK IN PROGRESS

  1. “Why do smokers earn less in Canada?” with Michel Grignon

  2. “Effect of National Student Loan Forgiveness on Hospitalization for Ambulatory Care-Sensitive Conditions in Rural Canada” with Michel Grignon, Qian Liu

  3. “Minimum wage and health behaviour in China” with Michael Veall, Qian Liu 

  4. “Minimum wage and acute care use in Canada” with Michael Veall, Qian Liu

  5. “Gender identity and labour market outcomes” with Antony Chum and Leroy Gonsalves