Supply-side socioeconomic policy 
Marriage-absence is the primary predictor of poverty. The 1996 welfare reforms were not a success. Cohabitation, illegitimacy, and demand social spending grew greatly since 1996. We must finish welfare reform to rebuild marriage and re-establish the proven pathway to upward mobility for most lower-income Americans.
A short list of the costs of Marriage Absence by the Center for Marriage Policy
Marriage-absence is Americas greatest structural economic and social problem. It drives the substantial majority of poverty for women and children, state and federal deficits, the disappearing middle class, home foreclosures, crime, violence, unteachable children, and urban flight.