“…Several prior studies examine the relationship between childhood disability and maternal labor supply using data from the 1970s (Salkever, 1980(Salkever, , 1982, the 1980s (Kimmel, 1997(Kimmel, , 1998Wolfe and Hill, 1995) and the early 1990s (Powers, 2001(Powers, , 2003. Using a broad measure of disability that covers physical, mental and emotional conditions, these studies generally find that mothers of disabled children are significantly less likely to be employed and, when employed, tend to work fewer hours than otherwise similar mothers.…”