Migration - a mixed blessing.
D003710:Demography; D004467:Economics; D005843:Geography; D011153:Population; D011155:Population Control; D011157:Population Dynamics; D011640:Public Policy; D012959:Socioeconomic Factors; D014505:Urban Population; D014507:Urbanization
Economic Factors; Geographic Factors; Migration, Internal; Policy; Population; Population Control; Population Policy; Social Policy; Socioeconomic Factors; Spatial Distribution; Urban Spatial Distribution; Urbanization