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Table 4. 
Kernel Matching Performance: Results of the Mean and Median Absolute Bias, Pseudo R-Squared, and LR Tests
Pseudo R2LR chi2p>chi2Mean BiasMedium Bias
Unmatched 0.102 64.78 33.5 24.2 
Matched 0.002 0.49 1.000 2.6 2.2 
Unmatched 0.049 23.36 0.005 20.9 15.3 
Matched 0.06 1.000 1.3 1.1 
Unmatched 0.063 22.71 0.007 23.2 20.2 
Matched 0.006 0.65 1.000 3.3 1.1 
Unmatched 0.057 17.05 0.03 19.1 14.1 
Matched 0.002 0.14 1.000 3.2 2.6 
Unmatched 0.071 58.26 0.000 28.0 24.9 
Matched 0.001 0.27 1.000 2.0 1.1 
Unmatched 0.026 11.94 0.217 17.0 10.3 
Matched 0.03 1.000 0.8 0.6 
Unmatched 0.024 11.80 0.225 13.4 11.0 
Matched 0.002 0.35 1.000 0.9 0.4 
Unmatched 0.015 3.88 0.867 19.0 9.6 
Matched 0.01 1.000 0.7 0.6 
Pseudo R2LR chi2p>chi2Mean BiasMedium Bias
Unmatched 0.102 64.78 33.5 24.2 
Matched 0.002 0.49 1.000 2.6 2.2 
Unmatched 0.049 23.36 0.005 20.9 15.3 
Matched 0.06 1.000 1.3 1.1 
Unmatched 0.063 22.71 0.007 23.2 20.2 
Matched 0.006 0.65 1.000 3.3 1.1 
Unmatched 0.057 17.05 0.03 19.1 14.1 
Matched 0.002 0.14 1.000 3.2 2.6 
Unmatched 0.071 58.26 0.000 28.0 24.9 
Matched 0.001 0.27 1.000 2.0 1.1 
Unmatched 0.026 11.94 0.217 17.0 10.3 
Matched 0.03 1.000 0.8 0.6 
Unmatched 0.024 11.80 0.225 13.4 11.0 
Matched 0.002 0.35 1.000 0.9 0.4 
Unmatched 0.015 3.88 0.867 19.0 9.6 
Matched 0.01 1.000 0.7 0.6 

LR = likelihood ratio.

Source: Author's calculations.

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