“…The NSAF also provides detailed information on the primary child care arrangement in which the child 2 For example, Anderson and Levine (2000), Connelly and Kimmel (1999), Kimmel (1995Kimmel ( , 1998, Ribar (1992Ribar ( , 1995, Blau and Robins (1998), Powell (1997 focus on the employment outcome. Leibowitz, Waite, and Witsberger (1988), Lehrer (1989), Hofferth and Wissoker (1992), Cleveland and Hyatt (1993), Chaplin et al (1999), and Connelly and Kimmel (2000) estimate models of the demand for specific modes of child care. However, only three studies, Hagy (1998), Powell (2002), and Michalopoulos and Robins (2002) includes all children under age 13 whereas the sample used in this paper contains only 4 In the NSAF, child care information is collected for up to two randomly chosen children, one between ages 0-5 and the other between ages 6-12.…”