title: Lower fertility: A wise investment.
authors.affiliation: Earth Institute, Columbia University, USA.
authors.forename: Jeffrey D
authors.initials: JD
authors.lastname: Sachs
mesh_terms: D003267:Contraception; D003906:Developing Countries / Q000706:statistics & numerical data; D005193:Family Planning Services; D006801:Humans; D011155:Population Control; D011203:Poverty; D011287:Prejudice; D014931:Women, Working