Descriptive statistics
| Variable | Obs. | Mean | Std. Dev. | Min | Max |
|---|---|---|---|---|---|
| Panel A: descriptive statistics for all variables | |||||
| SW | 232 | 54.156 | 17.297 | 16.17 | 97.470 |
| WORKF | 232 | 61.682 | 23.545 | 6.41 | 99.733 |
| COMM | 232 | 47.456 | 25.523 | 5.172 | 98.773 |
| HUMAN | 232 | 47.641 | 23.059 | 15.333 | 96.791 |
| PROD | 232 | 48.797 | 26.283 | 8.257 | 98.958 |
| INDREV | 232 | 0.694 | 0.462 | 0.000 | 1.000 |
| DA | 232 | 44.00 | 1.500 | 3.000 | 11.60 |
| SIZE | 232 | 22.127 | 1.384 | 19.455 | 25.824 |
| LEV | 232 | 0.572 | 0.201 | 0.129 | 0.918 |
| GROWTH | 232 | 0.018 | 0.195 | −0.537 | 1.022 |
| LIQUID | 232 | 1.813 | 1.008 | 0.419 | 5.847 |
| HILIT | 232 | 0.078 | 0.268 | 0.000 | 1.000 |
| DUALITY | 232 | 0.065 | 0.246 | 0.000 | 1.000 |
| BDSIZE | 232 | 9.905 | 2.307 | 5.000 | 16.000 |
| BDIND | 232 | 0.482 | 0.129 | 0.125 | 1.000 |
| ACIND | 232 | 0.399 | 0.109 | 0.188 | 0.750 |
| Variable | Obs. | Mean | Std. Dev. | Min | Max |
|---|---|---|---|---|---|
| 232 | 54.156 | 17.297 | 16.17 | 97.470 | |
| 232 | 61.682 | 23.545 | 6.41 | 99.733 | |
| 232 | 47.456 | 25.523 | 5.172 | 98.773 | |
| 232 | 47.641 | 23.059 | 15.333 | 96.791 | |
| 232 | 48.797 | 26.283 | 8.257 | 98.958 | |
| 232 | 0.694 | 0.462 | 0.000 | 1.000 | |
| 232 | 44.00 | 1.500 | 3.000 | 11.60 | |
| 232 | 22.127 | 1.384 | 19.455 | 25.824 | |
| 232 | 0.572 | 0.201 | 0.129 | 0.918 | |
| 232 | 0.018 | 0.195 | −0.537 | 1.022 | |
| 232 | 1.813 | 1.008 | 0.419 | 5.847 | |
| 232 | 0.078 | 0.268 | 0.000 | 1.000 | |
| 232 | 0.065 | 0.246 | 0.000 | 1.000 | |
| 232 | 9.905 | 2.307 | 5.000 | 16.000 | |
| 232 | 0.482 | 0.129 | 0.125 | 1.000 | |
| 232 | 0.399 | 0.109 | 0.188 | 0.750 | |
| Sample | INDREV = 1 (N = 161) | INDREV = 0 (N = 71) | Diff | |||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | b | t-value | |
| Panel B: comparison of means between IR4.0 and non-IR4.0 samples | ||||||
| SW | 58.434 | 16.575 | 44.455 | 14.896 | −13.979*** | (−6.360) |
| WORKF | 68.004 | 21.946 | 47.347 | 20.691 | −20.658*** | (−6.878) |
| COMM | 50.113 | 26.594 | 41.431 | 21.910 | −8.683* | (−2.600) |
| HUMAN | 51.509 | 24.032 | 38.871 | 17.948 | −12.638*** | (−4.434) |
| PROD | 50.520 | 26.661 | 44.890 | 25.153 | −5.630 | (−1.542) |
| DA | 0.044 | 0.015 | 0.045 | 0.015 | 0.001 | (0.294) |
| SIZE | 22.304 | 1.504 | 21.727 | 0.957 | −0.577*** | (−3.518) |
| LEV | 0.593 | 0.218 | 0.526 | 0.145 | −0.067** | (−2.753) |
| GROWTH | 0.021 | 0.163 | 0.011 | 0.253 | −0.010 | (−0.295) |
| LIQUID | 1.720 | 0.994 | 2.025 | 1.016 | 0.306* | (2.128) |
| HILIT | 0.050 | 0.218 | 0.141 | 0.350 | 0.091* | (2.026) |
| DUALITY | 0.087 | 0.283 | 0.014 | 0.119 | −0.073** | (−2.765) |
| BDSIZE | 10.286 | 2.346 | 9.042 | 1.974 | −1.243*** | (−4.166) |
| BDIND | 0.479 | 0.135 | 0.487 | 0.115 | 0.008 | (0.455) |
| ACIND | 0.393 | 0.108 | 0.414 | 0.111 | 0.021 | (1.330) |
| Sample | Diff | |||||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | b | ||
| 58.434 | 16.575 | 44.455 | 14.896 | −13.979*** | (−6.360) | |
| 68.004 | 21.946 | 47.347 | 20.691 | −20.658*** | (−6.878) | |
| 50.113 | 26.594 | 41.431 | 21.910 | −8.683* | (−2.600) | |
| 51.509 | 24.032 | 38.871 | 17.948 | −12.638*** | (−4.434) | |
| 50.520 | 26.661 | 44.890 | 25.153 | −5.630 | (−1.542) | |
| 0.044 | 0.015 | 0.045 | 0.015 | 0.001 | (0.294) | |
| 22.304 | 1.504 | 21.727 | 0.957 | −0.577*** | (−3.518) | |
| 0.593 | 0.218 | 0.526 | 0.145 | −0.067** | (−2.753) | |
| 0.021 | 0.163 | 0.011 | 0.253 | −0.010 | (−0.295) | |
| 1.720 | 0.994 | 2.025 | 1.016 | 0.306* | (2.128) | |
| 0.050 | 0.218 | 0.141 | 0.350 | 0.091* | (2.026) | |
| 0.087 | 0.283 | 0.014 | 0.119 | −0.073** | (−2.765) | |
| 10.286 | 2.346 | 9.042 | 1.974 | −1.243*** | (−4.166) | |
| 0.479 | 0.135 | 0.487 | 0.115 | 0.008 | (0.455) | |
| 0.393 | 0.108 | 0.414 | 0.111 | 0.021 | (1.330) | |
Note(s): *, ** and *** represent significance at p < 0.10, <0.05 and < 0.01, respectively
Source(s): Table created by authors
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