Blau, David M. (2003). Child Care Subsidy Programs.. Moffitt, Robert (Ed.) (pp. 443-516). Chicago: University of Chicago Press for the National Bureau of Economic Research.
Few government programs in the United States are as controversial as those designed to help the poor. From tax credits to medical assistance, the size and structure of the American safety net is an issue of constant debate.
Blau, David M.