Why does US government encourage/subsidize single-parent families?----- Two-parent families: Engines of Equal Opportunity

While multiple factors contribute to social mobility, the two-parent household wins the gold Paul E. Peterson

As millions of families gather to wave goodbye to summer this Labor Day weekend, let’s take a moment to celebrate their contribution to next-generation social mobility.

• The prevalence of two-parent families in communities predicts their average level of student achievement and social mobility rates for those from disadvantaged backgrounds—even after adjusting for income, education, ethnic composition, racial segregation, and other community factors. 
• Children learn more if they have two parents, and they benefit as well from living in places where two-parent families are the norm...