NBER WORKING PAPER SERIES
THE NEGATIVE INCOME TAX AND
THE EVOLUTION OF U.S. WELFARE POLICY
Robert A. Moffitt
NATIONAL BUREAU OF ECONOMIC RESEARCH
1050 Massachusetts Avenue
Cambridge, MA 02138
Robert A. Moffitt is Professor of Economics, Johns Hopkins University, Baltimore, Maryland. The author
is also a Research Associate, National Bureau of Economic Research, Cambridge, Massachusetts; a Research
Affiliate, Institute for Research on Poverty, University of Wisconsin, Madison, Wisconsin; and Faculty
Affiliate, Joint Center on Poverty Research, Northwestern University and the University of Chicago,
Evanston, Illinois. His e-mail address is firstname.lastname@example.org.
An original draft of this paper was presented at the
Conference to Honor Milton Friedman, University of Chicago, November 8, 2002. The paper has benefited
from comments by Milton Friedman, Gary Becker, and others at that conference, comments on a preliminary
version by seminar participants at the London School of Economics, and comments by Charles Brown,
Timothy Taylor, and Michael Waldman of this journal. The views expressed herein are those of the authors
and not necessarily those of the National Bureau of Economic Research.
©2003 by Robert A. Moffitt.
All rights reserved. Short sections of text not to exceed two paragraphs, may
be quoted without explicit permission provided that full credit including © notice, is given to the source.