By some studies, the safety nets for retirees have reduced fertility rates by 0.5 By some studies, the safety nets for retirees have reduced fertility rates by 0.5 children in the United States and almost 1.0 in Western Europe, reports economist Robert Stein in the journal National Affairs.0 in Western Europe, reports economist Robert Stein in the journal National Affairs.
出自-2013年12月阅读原文