I am grateful to Bentley MacLeod, Michael Mueller-Smith, Jonah Rockoff,
Maya Rossin-Slater, Judy Scott-Clayton, Miguel Urquiola and seminar participants
at APPAM, Columbia University, and Teacher’ s College for useful discussions
and comments and Heath Witzen for research assistance. I would
also like to thank the Vince Romeo, Sarah Marsh, and the Colorado Department
of Human Services for their generous assistance. Data for this research
was generously provided by the Colorado Department of Human Services.
Opinions reflect those of the author and do not necessarily reflect those of
CDHS.