TY - JOUR AU - Cutler,David M. AU - Poterba,James M. AU - Sheiner,Louise M. AU - Summers,Lawrence H. TI - An Aging Society: Opportunity or Challenge? JF - National Bureau of Economic Research Reprint Series VL - No. 1559 PY - 1991 Y2 - April 1991 UR - http://www.nber.org/papers/r1559 N1 - Author contact info: David M. Cutler Department of Economics Harvard University 1875 Cambridge Street Cambridge, MA 02138 Tel: 617/496-5216 Fax: 617/496-8951 E-Mail: dcutler@harvard.edu James M. Poterba Department of Economics MIT, E52-350 50 Memorial Drive Cambridge, MA 02142-1347 Tel: 617/253-6673 Fax: 617/258-7804 E-Mail: poterba@nber.org Lawrence H. Summers Harvard Kennedy School of Government 79 JFK Street Cambridge, MA 02138 Tel: 617/495-9322 Fax: 617/495-0436 E-Mail: lhs@harvard.edu AB - ER -