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Practice of Econometrics



Practice of Econometrics
Department of Economics
This problem set has 2 pages. Return a printout with your answers and an appendix with your do
Problem 1
Download the datafile “dehejia1999.dta” from the Datasets section of Blackboard. This dataset
was used by Dehejia & Wahba (1999, Journal of the American Statistical Association) and is a
subset of the data used by LaLonde (1986, American Economic Review).