What does "optimum population" mean?
Friedman
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D003710:Demography; D004467:Economics; D007182:Income; D018803:Models, Economic; D008962:Models, Theoretical; D011153:Population; D011156:Population Density; D011157:Population Dynamics; D011640:Public Policy; D012106:Research; D012946:Social Welfare; D012959:Socioeconomic Factors
Demographic Factors; Economic Development; Economic Factors; Economic Model; Income; Models, Theoretical; Optimum Population; Policy; Population; Population Dynamics; Population Policy; Population Size; Population Theory; Research Methodology; Social Policy; Social Welfare; Socioeconomic Factors