Table 5 Descriptive statistics of unmatched and matched samples
Variable | Unmatched | Matched | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Apple’s App Store | Google Play | Overall | Apple’s App Store | Google Play | Overall | |||||||
Mean | S.D. | Mean | S.D. | Mean | S.D. | Mean | S.D. | Mean | S.D. | Mean | S.D. | |
Total revenue | 2082.4610 | 11,099.1200 | 4740.4600 | 16,864.4200 | 2746.1440 | 12,853.7800 | 2065.3100 | 10,128.9700 | 5615.0460 | 18,692.1200 | 3059.0240 | 13,194.1800 |
in-app | 0.3920 | 0.4883 | 0.2500 | 0.4333 | 0.3501 | 0.4771 | 0.3638 | 0.4813 | 0.2460 | 0.4311 | 0.3308 | 0.4706 |
HHI | 67.0789 | 27.1408 | 212.9796 | 68.8881 | 110.3894 | 79.1895 | 65.6812 | 26.3894 | 211.9608 | 66.8456 | 106.6307 | 77.8844 |
apps | 11.66556 | 739.9980 | 7.5440 | 14.3585 | 10.4419 | 34.5212 | 12.7083 | 42.9204 | 8.2335 | 15.4903 | 11.4556 | 37.3809 |
type | 0.8144 | 0.3889 | 0.9574 | 0.2021 | 0.8565 | 0.3507 | 0.8760 | 0.3297 | 0.9501 | 0.2180 | 0.8967 | 0.3044 |
downloads | 26,832.1100 | 103,112.4000 | 33,424.4500 | 101,141.6000 | 288,551.1800 | 102,293.7000 | 26,421.0200 | 94,114.5500 | 38,564.3300 | 109,895.7000 | 29,820.4200 | 98,908.9500 |
size | 47.1361 | 124.3663 | 17.7898 | 20.0115 | 38.7487 | 106.0947 | 27.9764 | 25.0939 | 19.9490 | 21.1910 | 25.7292 | 24.3286 |
languages | 4.7281 | 7.8566 | 4.7315 | 7.7317 | 4.7347 | 7.8064 | 4.8385 | 7.8406 | 4.7861 | 7.7282 | 4.8239 | 7.8074 |
updates | 3.2742 | 3.8687 | 5.3565 | 7.0135 | 3.8889 | 5.0946 | 3.6687 | 4.0079 | 4.2406 | 4.1991 | 3.8288 | 4.0694 |