Table 18

Normalized Differences Before and After Matching for Nonexperimental Lalonde Data

Full Sample nor-difMatched Sample nor-difRatio of nor-dif
Black  2.43  0.00  0.00
Hispanic−0.05  0.00−0.00
Age−0.80−0.15  0.19
Married−1.23−0.28  0.22
No degree  0.90  0.25  0.28
Education−0.68−0.18  0.26
E’74−1.57−0.03  0.02
U’74  1.49  0.02  0.02
E’75−1.75−0.07  0.04
U’75  1.19  0.02  0.02