Institution: | (1) Department of Sociology, National University of Singapore, AS1 #03-10, 11 Arts Link, Singapore, 117570;(2) Survey Research Center and Population Studies Center, Institute for Social Research, University of Michigan, Ann Arbor, Michigan, 48106;(3) Department of Sociology and Research Scientist Emeritus, Population Studies Center, University of Michigan, Ann Arbor, Michigan, 48106 |