Areas of Research/Interest: Sociobehavioral theory; distributive justice; status; international migration; mathematical methods for theory building; factorial survey methods for empirical analysis.

External Affiliations: Chair, Theory Section, American Sociological Association (ASA); Chair, International Migration Section, ASA; Chair, Rationality and Society Section, ASA; Chair, Social Psychology Section, ASA; Deputy Editor, American Sociological Review; editorial boards, Journal of Mathematical Sociology, Rationality and Society, Social Justice Research, European Sociological Review; U.S. Committee, International Institute for Applied Systems Analysis (IIASA); Core Research Group, Binational Study of Migration between the United States and Mexico; National Academy of Sciences' Panel on the Demographic and Economic Consequences of Immigration; Advisory Committee for the Social, Behavioral and Economic Sciences (SBE) Directorate, National Science Foundation (2003-2006).

Fellowships/Honors: Exchange Fellow, United States/European Economic Community, 1980; Fellow, Collegiate Institute for Values and Science, University of Michigan, 1981-present; Distinguished Alumni Lecturer, Department of Sociology, University of Notre Dame, 1987; research grants from the Russell Sage Foundation (1983-1985), Rockefeller Foundation (1985-1986), National Science Foundation (1994-1997, 2000-2002), National Institutes of Health (1995-2006); Pew Charitable Trusts (2001-2006); Guest Professor, Zentrum für Umfragen, Methoden, und Analysen (ZUMA), Mannheim, Germany, 1995; Guest Professor, University of Leipzig, Germany, 1996; Johns Hopkins Society of Scholars; Sociological Research Association; Fellow, Center for Advanced Study in the Behavioral Sciences (1999-2000); Distinguished Lecture, National Science Foundation, 2003; Research Fellow, Institute for the Study of Labor (IZA), Bonn, Germany, 2004-; keynote address, dedication of Oldendorff Institute, Tilburg University, Netherlands, 2004.

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Select Publications:

“The Tripartite Structure of Social Science Analysis.”  Sociological Theory, in press.
“Migration, Human Development, and the Lifecourse.”  Pp. 331-364 in J. T. Mortimer and M. Shanahan (eds.), Handbook of the Lifecourse.  New York: Kluwer, 2003.
“Exploring the Sense of Justice about Grades” (with Nura Resh).  European Sociological Review 18:333-351, 2002.
"Studying Status:  An Integrated Framework."  American Sociological Review 66:96-124, 2001.
"Rule-Finding about Rule-Making:  Comparison Processes and the Making of Norms."  Pp. 348-393 in M. Hechter and K.-D. Opp (eds.), Social Norms.  New York, New York:  Russell Sage, 2001.
 "Assortative Mating among Married New Legal Immigrants to the United States:  Evidence from the New Immigrant Survey Pilot" (with D. S. Massey, M. R. Rosenzweig, and J. P. Smith).  International Migration Review 34:443-459, 2001.
"The New Immigrant Survey Pilot (NIS-P): Overview and New Findings about U.S. Legal Immigrants at Admission" (with D. S. Massey, M. R. Rosenzweig, and J. P. Smith).   Demography 37:127-138, 2000.
"How Much Injustice Is There in the World?  Two New Justice Indexes."  American Sociological Review 64:133-168, 1999.
The New Chosen People: Immigrants in the United States (with M. R. Rosenzweig), 1990.