Professor of Psychology, Central Michigan University

Professor of Sociology, University of Minnesota

University of Florida, University of Maryland, Portland State University

Emeritus Professor, Boston University

Professor Emeritus, IONA University LaPenta School of Business

Netherlands Interdisciplinary Demographic Institute (NIDI), UMCG Groningen & University of …

Professor of Socio-Economics (Labor Market and Social Security)

Professor of Psychology, California State University, San Bernardino

Professor of Economics, Dartmouth College

Professor of economics, Netherlands Interdisciplinary Demographic Institute; Tilburg …