A comment on Rothman and Espenshade.
Simon
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JL
D000569:Americas; D003710:Demography; D019049:Developed Countries; D004641:Emigration and Immigration; D005069:Evaluation Studies as Topic; D009656:North America; D011153:Population; D011157:Population Dynamics; D014481:United States
Americas; Critique; Demographic Factors; Developed Countries; International Migration; Migration; North America; Northern America; Population; Population Dynamics; United States