title: A dynamic migration theory and its evaluation for concrete systems.
authors.forename: G
authors.initials: G
authors.lastname: Haag
authors.forename: W
authors.initials: W
authors.lastname: Weidlich
mesh_terms: D000569:Americas; D002170:Canada; D003710:Demography; D019049:Developed Countries; D003906:Developing Countries; D004641:Emigration and Immigration; D005069:Evaluation Studies as Topic; D008962:Models, Theoretical; D009656:North America; D011153:Population; D011157:Population Dynamics; D012106:Research; D012942:Social Sciences; D013223:Statistics as Topic
keywords: Americas; Canada; Data Analysis; Demographic Analysis; Demographic Factors; Demography; Developed Countries; Developing Countries; Evaluation; Evaluation Report; Mathematical Model; Migration; Models, Theoretical; Multiregional Analysis; North America; Northern America; Population; Population Dynamics; Population Theory; Research Methodology; Social Sciences; Theoretical Studies