William Darity Jr., Arts and Sciences Professor of Public Policy, African and African-American studies, Economics and the director of the Research Network on Racial and Ethnic Inequality at Duke University, states that if US citizen workers are not subjected to low wages, then the US has to comply with the terms of the 1978 Humphrey-Hawkins Act, mandating that if the private sector does not create full employment, the public sector will provide the missing jobs.