Working papers

Papers under Revision

• Kim DD, Choi J, Jung H, Kown S, Chang WM, Chang H, Choi H, Park S*. Mortality, health care use, and spending during South Korea's trainne doctors' walkout. JAMA Network Open.

Papers under Review

• Park S*, Fendrick M. High- and low-value care use among the top 10% of U.S. health care spenders. 

• Park S*. Health care AI deployment and deployment: cross-sector evidence on constraints and policy implications from South Korea. 

• Park S*, Dieleman JL, Weaver MR. Social spending and health care, health, employment, and economic outcomes in OECD countries. 

• Cheon H, Bae G, Ko H, Park S*. Does health insurance benefit expansion shift care to higher-tier hospitals? Disease-specific evidence from South Korea.  

• Lee D, Park S, Gray SL, Li J. Association of psychotropic medication use with emergency department visits, hospitalizations, and related expenditures among older adults with cognitive impairment: a retrospective cohort study. 

• Jang S, Park S, Lin PJ, Chen J. Cognitive status and patient-provider communication: implications for access and utilization in older adults.  

• Yang J, Lee E, Park S*. Effects of transitioning health insurance coverage from medical aid to national health insurance in South Korea.

• Berkowitz SA, LaPoint M, Kuhn M, Basu S, Hudgens MG, Gold R, Park S. Does Medicare Advantage improve type 2 diabete outcomes?

• Kim G, Dieleman JL, Bustamante AV, Subramanian SV, Park S*. County-level health and social spending and health outcomes by race/ethnicity in the U.S.

Work in Progress

• Park S*, Chernew ME, Fendrick M. Uneven diffusion of the first AI-enabled medical device in Medicare: trends in HeartFlow analysis utilization and spending, 2018–2023. 

• Park S*,  Liao JM. Association between AI-enabled medical device adoption and Medicare utilization and spending.

• Koh K, Kown S, Park S*. Impact of the new diagnosis-related group-based prospective payment system implementation in South Korea: a difference-in-differences analysis.

• Bae G, Kim DD, Park S*. The effects of expanded coverage for brain MRI on low-value use in South Korea.  

• Bae G, Park S*. Hospital responses to CT reimbursement cuts in South Korea: short-run reactions and long-run adaptations. 

• Kwon S, Park S*. Provider diagnostic coding behavior in response to price changes under the South Korean FFS-DRG payment system.

• Joo S, Park S*. Effects of a mental health reimbursement change on utilization, spending, and health outcomes among medical aid beneficiaries with mental illness in South Korea: a difference-in-difference analysis.  

• Lee S, Park S*. The impact of a delivery fee add-on policy in obstetrically underserved areas on health care utilization and spending in South Korea.

• Kwon N, Park S*. Associations of health care spending with health, labor, and economic outcomes across 185 countries, 2000-2019.