TY - BOOK AU - Clark, Robert L TI - The economics of an aging society SN - 0631226168 U1 - 306.260973 21 PY - 2004/// CY - U.S.A PB - Blackwell Publishing KW - Pensiones KW - Estados Unidos N1 - 1. Population aging and the world. 2. Retirement planning and policies. 3. Social security programs and reforms. 4 Health and long- term care for older persons ER -