Ketcham, Jonathan D.; Lucarelli, Claudio; Miravete, … - C.E.P.R. Discussion Papers - 2011
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...