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Table 4 Effect of matching variables

From: Platform heterogeneity, platform governance and complementors’ product performance: an empirical study of the mobile application industry

Variable

Unmatched

Matched

Treated

Controls

T-stat

p> |t|

%Bias

Treated

Controls

T-stat

p> |t|

%Bias

in-app

0.3920

0.2504

6.5700

0.000

30.7000

0.3638

0.3529

0.6100

0.542

2.4000

apps

1.1541

1.2111

−0.9100

0.363

−4.2000

1.1707

1.3467

−3.2100

0.001

−13.1000

type

0.8144

0.9585

−9.1600

0.000

−46.6000

0.8760

0.9024

−2.2700

0.024

−8.6000

downloads

8.2146

6.9914

8.6400

0.000

35.7000

8.254

8.3810

−1.1600

0.247

−3.7000

size

3.1335

2.4609

14.1800

0.000

65.7000

2.9809

3.0013

−0.5700

0.570

−2.0000

languages

1.2546

1.2682

−0.3500

0.724

−1.6000

1.2845

1.3313

−1.4700

0.141

−5.5000

updates

1.0991

1.5251

−11.3300

0.000

−52.6000

1.2067

1.2165

−0.3700

0.715

−1.2000