Gaynor, Martin; Vogt, William; Li, Jian - National Bureau of Economic Research (NBER) - 2006
Recently, many U.S. employers have adopted less generous prescription drug benefits. In addition, the U.S. began to offer prescription drug insurance to approximately 42 million Medicare beneficiaries in 2006. We use data on individual health insurance claims and benefit data from 1997-2003 to...