HSU YUAN-HO（许永河）is currently the director of Aging Economy Research Center, Department of Economics at Cheng Kung University in Taiwan, China. He received Ph.D. in economics in the Graduate Faculty, New School for Social Research in New York, USA in 1994, and received M.A. in economics in Michigan State University, USA in 1987. His major fields of specialization are macroeconomics, aging economic analysis, political economy.