TY - BOOK AU - Cogan,John F ED - Research and Development Corporation, TI - Must a rise in wage rates reduce participation in negative income tax programs? T2 - The Rand paper series PY - 1978/// CY - Santa Monica, California PB - Rand Corporation KW - Negative income tax KW - Guaranteed annual wage KW - Labor supply N1 - Includes bibliographical references (page 7) ER -