MAP20090020177 Capretta, James C. Medicare in USA : present and future / by James C. Capretta Sumario: Introduction -- Medicare's current design and financing gap -- Medicare's tax on work -- The challenge En: European papers on the new welfare. - Trieste : The Risk Institute, 2005-2009. - Número 11 - January 2009 1. Seguro de asistencia sanitaria . 2. Financiación . 3. Reforma sanitaria . 4. Medicare . 5. Estados Unidos . I. Title.