Seiritsu Ogura is an associate of the Japan Center for Economic Research. Toshiaki Tachibanaki is a professor in the Institute for Economic Research at Kyoto University. David A. Wise is the John F. Stambaugh professor of Political Economy at the John F. Kennedy School of Government at Harvard University and a research associate of the NBER. Together, the three coedited the most recent volume resulting from collaboration between the NBER and JCER, "Aging Issues in the United States and Japan."