Summary statistics
| Variables | Full sample (N = 9,898) | MBE firms (MBE = 1) (N = 3,930) | Non-MBE firms (MBE = 0) (N = 5,968) | Mean difference | ||||
|---|---|---|---|---|---|---|---|---|
| Mean | Median | Mean | Median | Mean | Median | Mean | p-value | |
| MBE | 0.397 | 0.000 | 1.000 | 1.000 | 0.000 | 0.000 | 1.000 | 0.000 |
| BHAR[−1, 1] | −0.001 | −0.003 | 0.003 | 0.000 | −0.003 | −0.005 | 0.006 | 0.000 |
| BHAR[−2, 2] | 0.000 | −0.003 | 0.005 | 0.001 | −0.002 | −0.006 | 0.007 | 0.000 |
| BHAR[−3, 3] | 0.001 | −0.004 | 0.006 | 0.000 | −0.002 | −0.006 | 0.008 | 0.000 |
| BHAR[−5, 5] | 0.003 | −0.004 | 0.008 | 0.001 | 0.000 | −0.007 | 0.008 | 0.000 |
| BHAR[−10, 10] | 0.006 | −0.006 | 0.011 | −0.001 | 0.002 | −0.009 | 0.009 | 0.000 |
| AAcruals | 0.014 | 0.010 | 0.015 | 0.009 | 0.014 | 0.011 | 0.001 | 0.694 |
| AProduction | −0.031 | −0.008 | −0.034 | −0.013 | −0.029 | −0.005 | −0.006 | 0.278 |
| AExpenditures | 0.019 | −0.007 | 0.022 | −0.004 | 0.017 | −0.008 | 0.006 | 0.007 |
| ACFO | 0.009 | 0.011 | 0.014 | 0.015 | 0.005 | 0.007 | 0.009 | 0.053 |
| ARPS | 0.000 | −0.015 | 0.002 | −0.015 | −0.001 | −0.015 | 0.003 | 0.080 |
| ARPP | 0.000 | −0.012 | 0.003 | −0.013 | −0.001 | −0.012 | 0.005 | 0.017 |
| Surprise | −0.004 | −0.001 | 0.005 | 0.002 | −0.010 | −0.004 | 0.015 | 0.000 |
| Analyst | 11.931 | 9.000 | 12.278 | 9.000 | 11.702 | 9.000 | 0.575 | 0.007 |
| GVT | 0.569 | 1.000 | 0.586 | 1.000 | 0.558 | 1.000 | 0.028 | 0.006 |
| ROA | 0.052 | 0.044 | 0.057 | 0.048 | 0.048 | 0.042 | 0.009 | 0.000 |
| ETP | 0.037 | 0.031 | 0.045 | 0.037 | 0.032 | 0.028 | 0.013 | 0.000 |
| Size | 22.725 | 22.529 | 22.791 | 22.601 | 22.681 | 22.477 | 0.109 | 0.000 |
| MTB | 3.082 | 2.136 | 2.740 | 2.094 | 3.307 | 2.166 | −0.567 | 0.093 |
| Leverage | 0.497 | 0.497 | 0.485 | 0.487 | 0.505 | 0.504 | −0.020 | 0.093 |
| CFO | 0.065 | 0.061 | 0.074 | 0.067 | 0.059 | 0.057 | 0.015 | 0.000 |
| Prior stock return | 0.024 | −0.001 | 0.041 | 0.011 | 0.012 | −0.008 | 0.029 | 0.000 |
| Posi∆Profit | 0.816 | 1.000 | 0.867 | 1.000 | 0.782 | 1.000 | 0.085 | 0.000 |
| Profitable | 0.956 | 1.000 | 0.972 | 1.000 | 0.945 | 1.000 | 0.028 | 0.000 |
| Sales growth | 0.157 | 0.133 | 0.179 | 0.144 | 0.142 | 0.126 | 0.037 | 0.000 |
| SEO | 0.178 | 0.000 | 0.188 | 0.000 | 0.172 | 0.000 | 0.016 | 0.040 |
| Delisting risk | 0.010 | 0.000 | 0.010 | 0.000 | 0.010 | 0.000 | 0.000 | 0.952 |
| Variables | Full sample ( | MBE firms ( | Non-MBE firms ( | Mean difference | ||||
|---|---|---|---|---|---|---|---|---|
| Mean | Median | Mean | Median | Mean | Median | Mean | ||
| 0.397 | 0.000 | 1.000 | 1.000 | 0.000 | 0.000 | 1.000 | 0.000 | |
| −0.001 | −0.003 | 0.003 | 0.000 | −0.003 | −0.005 | 0.006 | 0.000 | |
| 0.000 | −0.003 | 0.005 | 0.001 | −0.002 | −0.006 | 0.007 | 0.000 | |
| 0.001 | −0.004 | 0.006 | 0.000 | −0.002 | −0.006 | 0.008 | 0.000 | |
| 0.003 | −0.004 | 0.008 | 0.001 | 0.000 | −0.007 | 0.008 | 0.000 | |
| 0.006 | −0.006 | 0.011 | −0.001 | 0.002 | −0.009 | 0.009 | 0.000 | |
| 0.014 | 0.010 | 0.015 | 0.009 | 0.014 | 0.011 | 0.001 | 0.694 | |
| −0.031 | −0.008 | −0.034 | −0.013 | −0.029 | −0.005 | −0.006 | 0.278 | |
| 0.019 | −0.007 | 0.022 | −0.004 | 0.017 | −0.008 | 0.006 | 0.007 | |
| 0.009 | 0.011 | 0.014 | 0.015 | 0.005 | 0.007 | 0.009 | 0.053 | |
| 0.000 | −0.015 | 0.002 | −0.015 | −0.001 | −0.015 | 0.003 | 0.080 | |
| 0.000 | −0.012 | 0.003 | −0.013 | −0.001 | −0.012 | 0.005 | 0.017 | |
| −0.004 | −0.001 | 0.005 | 0.002 | −0.010 | −0.004 | 0.015 | 0.000 | |
| 11.931 | 9.000 | 12.278 | 9.000 | 11.702 | 9.000 | 0.575 | 0.007 | |
| 0.569 | 1.000 | 0.586 | 1.000 | 0.558 | 1.000 | 0.028 | 0.006 | |
| 0.052 | 0.044 | 0.057 | 0.048 | 0.048 | 0.042 | 0.009 | 0.000 | |
| 0.037 | 0.031 | 0.045 | 0.037 | 0.032 | 0.028 | 0.013 | 0.000 | |
| 22.725 | 22.529 | 22.791 | 22.601 | 22.681 | 22.477 | 0.109 | 0.000 | |
| 3.082 | 2.136 | 2.740 | 2.094 | 3.307 | 2.166 | −0.567 | 0.093 | |
| 0.497 | 0.497 | 0.485 | 0.487 | 0.505 | 0.504 | −0.020 | 0.093 | |
| 0.065 | 0.061 | 0.074 | 0.067 | 0.059 | 0.057 | 0.015 | 0.000 | |
| 0.024 | −0.001 | 0.041 | 0.011 | 0.012 | −0.008 | 0.029 | 0.000 | |
| 0.816 | 1.000 | 0.867 | 1.000 | 0.782 | 1.000 | 0.085 | 0.000 | |
| 0.956 | 1.000 | 0.972 | 1.000 | 0.945 | 1.000 | 0.028 | 0.000 | |
| 0.157 | 0.133 | 0.179 | 0.144 | 0.142 | 0.126 | 0.037 | 0.000 | |
| 0.178 | 0.000 | 0.188 | 0.000 | 0.172 | 0.000 | 0.016 | 0.040 | |
| 0.010 | 0.000 | 0.010 | 0.000 | 0.010 | 0.000 | 0.000 | 0.952 | |
Note(s): This table presents summary statistics for the full sample, the MBE firms and the non-MBE firms. The full sample comprises 9,898 observations from 1,821 unique firms. All variables are defined in Appendix 1
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