Variable Names

Mean

Standard Deviation

(%)

Reduction in Standard Deviation (%)

t-statistic

t-test (p > t)

Treatment Group

Control Group

Size

Pre-Matching

9.157

8.664

34.3

96.9

7.97

0.000

Post-Matching

9.157

9.173

−1.1

−0.38

0.702

Soe

Pre-Matching

0.517

0.342

35.8

96.8

8.31

0.000

Post-Matching

0.517

0.523

−1.2

−0.43

0.670

Dual

Pre-Matching

0.222

0.303

−18.6

89.2

−4.54

0.000

Post-Matching

0.221

0.230

−2.0

−0.79

0.427

Share

Pre-Matching

36.343

33.42

19.6

79.8

4.55

0.000

Post-Matching

36.348

35.758

4.0

1.46

0.143

Growth

Pre-Matching

0.315

0.355

−4.9

31.5

−1.16

0.246

Post-Matching

0.313

0.340

−3.3

−1.30

0.193

Idr

Pre-Matching

37.722

37.784

−1.1

27.4

−0.27

0.790

Post-Matching

37.721

37.765

−0.8

−0.30

0.761