Housing vouchers most effective intervention while Rapid re-housing proves least costly     WASHINGTON – When a family with children seeks emergency shelter, there are a number of interventions to address their homelessness.  Today, the U.S. Department of Housing and Urban Development (HUD) released the results of an exhaustive study to identify the   most efficient and cost-effective ways to house and serve these families.  After tracking more than 2,200 families over a three-year period, HUD found that a long-term subsidy, typically a Housing Choice Voucher, led to far better outcomes for reducing family   homelessness and improving family well-being.     HUD's  Family Options Study: Three-year Impacts of Housing and Services Interventions for Homeless Families  discovered   that 37 months after enrolling into the study and being randomly assigned to one of four interventions, the families offered a long-term subsidy experienced significant reductions in subsequent...