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During the past years Professor Rogers has been conducting research in three principal areas: immigration and the regional geography of the foreign-born population in the United States, elderly migration and settlement patterns, and the indirect estimation of migration. Imagine the geography of the foreign-born population in the United States at the middle of this century, and imagine its changes since then. How did the demographic processes of immigration, emigration, internal migration, and mortality act to shape the changing geography? How did the fertility patterns of foreign-borns and native-borns combine with the migration and mortality patterns of the latter to shape the geography of the native-born population and the consequent foreign-born shares of regional populations? How have the internal migration patterns of the foreign-borns differed from those of the native-born population? How have the internal migration patterns of the elderly differed from those of the non-elderly populations? Assisted by several graduate and undergraduate students, Professor Rogers has been seeking answers to such questions by modeling the spatial population dynamics of sub-populations in the United States during the past half-century.
Although the principal focus of the multi-year studies of the foreign-born and elderly populations have been their interregional migration and spatial redistribution in the United States, the absence of adequate data on territorial mobility--for example, on emigration--necessitates the estimates of some migration streams to be made indirectly. In the process new methodological approaches have had to be explored and tested. A book, "The Indirect Estimation of Migration", was published in 2010 (see below). More recently, another book, one that focuses on applications of multiregional demography, was published in 2015 (see below).
Two Recent Books (2010 and 2015)
Publications 2005 - 2015
Model Migration Schedules: Three Alternative Linear Parameter Estimation Methods. MATHEMATICAL POPULATION STUDIES, 12:17-38, 2005 (with L.J. Castro and M. Lea).
Origin Dependence, Secondary Migration, and the Indirect Estimation of Migration Flows from Population Stocks. JOURNAL OF POPULATION RESEARCH, 22(1):1-19, 2005 (with J. Raymer).
Estimating Directional Migration Flows from Age-Specific Net Migration Data. REVIEW OF URBAN AND REGIONAL DEVELOPMENT, 17(3):177-196, 2005 (with J. Liu).
Inferring Migration Flows from the Migration Propensities of Infants: Mexico and Indonesia. THE ANNALS OF REGIONAL SCIENCE, 41:443-465, 2007 (with B. Jones, V. Partida, S. Muhidin).
Using Age and Spatial Flow Structures in the Indirect Estimation of Migration Streams. DEMOGRAPHY, 44(2):199-223, 2007 (with J. Raymer).
What Can the Age Composition of a Population Tell Us About the Age Composition of Its Out-Migrants? POPULATION, SPACE AND PLACE, 13(1):23-39, 2007 (with J. S. Little).
Applying Model Migration Schedules to Represent Age-Specific Migration Flows. INTERNATIONAL MIGRATION IN EUROPE: DATA, MODELS AND ESTIMATES, Ch. 8 (pages 17-192), eds. J. Raymer and F.J. Willekens (Chichester: Wiley), 2008 (with J. Raymer).
Demographic Modeling of the Geography of Migration and Population: A Multiregional Perspective. GEOGRAPHICAL ANALYSIS, 40:276-296, 2008.
Inferring Directional Migration Propensities from the Migration Propensities of Infants in the United States. MATHEMATICAL POPULATION STUDIES, 15:182-211, 2008 (with B. Jones).
THE INDIRECT ESTIMATION OF MIGRATION: METHODS FOR DEALING WITH IRREGULAR, INADEQUATE, AND MISSING DATA, (Dordrecht: Springer), 2010 (with J. Little and J. Raymer).
Does Specification Matter? Experiments with Simple Multiregional Probabilistic Population Projections. ENVIRONMENT AND PLANNING A, XL (11):2664-2686, 2012 (with J. Raymer and G.J. Abel).
APPLIED MULTIREGIONAL DEMOGRAPHY: MIGRATION AND POPULATION REDISTRIBUTION, (Dordrecht: Springer), 2015.