We analyze data from the Health and Retirement Study on senior citizens' take-up of Medicare Part D. Take-up among those without drug coverage in 2004 was high; about fifty to sixty percent of this group have Part D coverage in 2006. Only seven percent of senior citizens lack drug coverage in...

Are early Social Security claimers too sick to work? We linked Health and Retirement Study data to Medicare claims to study health care utilization at ages 65 and 70. We find that Social Security Disability Insurance recipients use more health care on average than those who never received DI. At...