Under Medicare Part D, senior citizens choose prescription drug insurance offred by numerous private insurers. We examine non-poor enrollees' actions in 2006 and 2007 using panel data. Our sample reduced overspending by $298 on average, with gains by 81% of them. The greatest improvements were...

We study whether people became less likely to switch Medicare prescription drug plans (PDPs) due to more options and more time in Part D. Panel data for a random 20 percent sample of enrollees from 2006-2010 show that 50 percent were not in their original PDPs by 2010. Individuals switched PDPs...

Illicit drug use has declined among the U.S. adult population, but national surveys show the majority of illicit drug users are employed. Concern about workplace productivity, absenteeism, and safety has led many employers to establish employee assistance and drug testing programs. Given the...