Publications Our Research on the Greater DC region. Signature Issues TopicsAdolescents and YouthAffordable housingAging and RetirementChildrenCommunity Engaged MethodsCrime and justice statisticsCrime, Justice, and SafetyEconomic Mobility and InequalityEducationFamiliesHealth and Health CareHousing and Housing FinanceImmigrants and ImmigrationJob Market and Labor ForceLand UseNeighborhoods and community-buildingNeighborhoods, Cities, and MetrosNonprofits and PhilanthropyPay for SuccessRacial segregationSexual Orientation, Gender Identity and ExpressionSocial Safety NetState and local issuesStructural RacismTaxes and BudgetsWealth and Financial Well-Beingeducation Testimony Social Impact Bonds February 25, 2013 Social welfare problems in Maryland and elsewhere have remained intractable because their scale is beyond the ability of government to address alone, John Roman told the Appropriations Committee of the Maryland House of Delegates.