Social Security Programs and Retirement around the World

Jonathan Gruber is professor of economics at MIT and director of the Program on Children at the NBER, where he is a research associate. He is coeditor of the Journal of Public Economics, and associate editor of the Journal of Health Economics. David A. Wise is the John F. Stambaugh Professor of Political Economy at the John F. Kennedy School of Government, Harvard University, and director of the Programs on Aging and Health Care at the NBER.