Fourth Annual Workshop on National Transfer Accounts, University of California, Berkeley, January, 19-24, 2007 National Transfer Accounts Project Workshop II, Nihon University Population Research Institute, August 16-25, 2006 National Transfer Accounts Project Workshop I, Nihon University Population Research Institute, October 17-28, 2005 Workshop on Economic Aspects of Population Aging, 35th Summer Seminar on Population, East-West Center, Honolulu, Hawaii, June 1-30, 2004 Indo-US Training Workshop on Environmental & Occupational Epidemiology, Jointly Organized by University of California, Berkeley and Centre for Occupational & Environmental Health, New Delhi, December 2003.

Survey Research, Missing Data Analysis, Stochastic Modelling, Aging and Social Security