Yeunkyung Kim (Healthcare Administration and Policy) was the lead author of "." The article was published in the Journal of the American Medical Directors Association (JAMDA). The authors' primary objective was to study the impact of hospital participation in the Medicare Shared Savings Program, a value-based payment model, on institutional post-acute care use and variations by race/ethnicity and payer status among three Medicare patient groups: ischemic stroke, hip fracture, and elective total joint arthroplasty.