title: Spatial externalities and the stability of interacting populations near the center of a large area.
mesh_terms: D003710:Demography; D004467:Economics; D005843:Geography; D007182:Income; D008962:Models, Theoretical; D011153:Population; D012106:Research; D012959:Socioeconomic Factors; D014505:Urban Population
keywords: Economic Factors; Geographic Factors; Income; Income Distribution; Models, Theoretical; Population; Research Methodology; Socioeconomic Factors; Spatial Distribution; Urban Population