Child disability is an important phenomenon. Government figures indicate around 6.0 % of children were considered disabled in the early 1990s (John McNeil, 1993). After an era of relative stability, child disability rates have grown over the past decade. Surprisingly little is known about the economic effects of children’s health problems. Children with impaired health

The Interaction of Public Retirement Income Programs in the United States by Elizabeth T. Powers and David Neumark. Published in volume 93, issue 2, pages 261-265 of American Economic Review, May 2003