Does Pollution Increase School Absences?
NBER Working Paper No. 13252
---- Acknowledgements ----
We thank Alfonso Flores-Lagunes, Matthew Kahn, Walter Nicholson, and Jessica Reyes for helpful comments as well as participants at the 2005 AEA meetings and the 2006 SOLE meetings. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.