Impact of drug coverage on medical expenditures among the elderly
Our study compares expenditures for Medicare covered medical services among enrollees in three State pharmacy assistance programs with spending among low-income residents eligible or near-eligible for, but not enrolled in such State-sponsored programs after controlling for between-group differences in demographic, socioeconomic, health status, and insurance status characteristics.
Gilman, B. H., Gage, B., Haber, S., Hoover, S., & Aggarwal, J. (2007). Impact of drug coverage on medical expenditures among the elderly. Health Care Financing Review, 29(1), 103-118.