Testing Parental Altruism:Implications of a Dynamic Model Kathleen McGarry 1 Department of Economics University of California,Los Angeles and NBER original version,February 1998 this version,April 2006 1I am grateful to Michael Hurd,Janet Currie,Wei-Yin Hu,and Jean-Laurent Rosenthal for helpful comments.Financial support was received from the National Institute on Aging through grant number T32-AG00186 and from the Brookdale Foundation.Testing Parental Altruism: Implications of a Dynamic Model Kathleen McGarry 1 Department of Economics University of California, Los Angeles and NBER original version, February 1998 this version, April 2006 1I am grateful to Michael Hurd, Janet Currie, Wei-Yin Hu, and Jean-Laurent Rosenthal for helpful comments. Financial support was received from the National Institute on Aging through grant number T32-AG00186 and from the Brookdale Foundation