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The economic progress of black men in America
O'Neill, June, (1986)
Three essays in household size, resource allocation, and migration
Butcher, Kristin F., (1993)
Race, gender, and discrimination : symposium
(1995)
Hospital performance under the medicare prospective reimbursement system
Register, Charles A., (1988)
Wages, productivity, and costs in union and nonunion hospitals
Technical efficiency within the US postal service and the Postal Reorganization Act of 1970