United States. General Accounting Office
Germany
Elizabeth Higginbotham
Gary Stanley Becker
United States. Congress. Joint Economic Committee
European Commission. Directorate-General for Employment and Social Affairs.
Jeffrey L. Pressman
Robert S. Feldman
Philip Woodrow
Beveridge, William Henry Beveridge Baron
Gaston Viaud
United States
United States. Congress. Joint Economic Committee.
Cynthia Bansak
Pierre Cahuc