This study uses data from the 1987 National Survey of Families and Hou
seholds to estimate the impact of caring for disabled elderly parents
on the work hours of men and women. instrumental variable techniques w
ere used to correct for possible endogeneity bias. Work hours were con
sistently reduced by caregiving, although the effect was significant o
nly for women providing care to parents residing outside the household
. The magnitude of the caregiving effect was larger for women than for
men and for coresidence than for non-coresidential care.