Descriptive statistics
| Variable | Description | Mean | SD | Min | Max | |
|---|---|---|---|---|---|---|
| Panel A: Earnings-quality measures | ||||||
| EQ1 | Country rank of earnings quality, defined by StarMine | Overall | 0.452 | 0.288 | 0.010 | 1.000 |
| Between | 0.224 | 0.010 | 0.888 | |||
| Within | 0.199 | −0.188 | 0.967 | |||
| EQ2 | Accrual measure of earnings quality, defined by StarMine | Overall | 0.503 | 0.263 | 0.010 | 1.000 |
| Between | 0.172 | 0.040 | 0.940 | |||
| Within | 0.218 | −0.077 | 1.106 | |||
| EQ3 | Cash flow measure of earnings quality, defined by StarMine | Overall | 0.558 | 0.222 | 0.040 | 1.000 |
| Between | 0.197 | 0.090 | 1.000 | |||
| Within | 0.127 | 0.045 | 1.060 | |||
| EQ4 | Operating-efficiency measure of earnings quality, defined by StarMine | Overall | 0.548 | 0.263 | 0.010 | 1.000 |
| Between | 0.230 | 0.055 | 0.978 | |||
| Within | 0.152 | −0.030 | 1.125 | |||
| EM | Earnings-management measure based on modified Jones’s model | Overall | −0.061*** | 0.108 | −0.941 | 0.000 |
| Between | 0.115 | −0.941 | 0.000 | |||
| Within | 0.075 | −0.760 | 0.324 | |||
| Panel B: Board-gender-diversity measures | ||||||
| GD1 | Percentage of female directors | Overall | 0.159 | 0.122 | 0.000 | 0.571 |
| Between | 0.105 | 0.000 | 0.514 | |||
| Within | 0.061 | −0.008 | 0.436 | |||
| GD2 | Blau’s (1977) index of gender diversification | Overall | 0.238 | 0.152 | 0.000 | 0.500 |
| Between | 0.134 | 0.000 | 0.487 | |||
| Within | 0.077 | 0.019 | 0.538 | |||
| GD3 | Shannon’s (1948) index of gender diversification | Overall | 0.374 | 0.218 | 0.000 | 0.693 |
| Between | 0.193 | 0.000 | 0.680 | |||
| Within | 0.113 | 0.023 | 0.823 | |||
| Panel C: Board-remuneration measures | ||||||
| BRem1 | Log transform of total remuneration per director (€) | Overall | 12.119 | 1.184 | 7.041 | 14.630 |
| Between | 1.227 | 7.118 | 14.057 | |||
| Within | 0.358 | 10.528 | 13.666 | |||
| BRem2 | Log transform of fixed remuneration per director (€) | Overall | 11.649 | 1.047 | 7.041 | 14.501 |
| Between | 1.045 | 7.118 | 13.364 | |||
| Within | 0.358 | 9.115 | 13.644 | |||
| BRem3 | Total remuneration as a share of net income | Overall | 0.039 | 0.166 | −0.494 | 0.840 |
| Between | 0.122 | −0.494 | 0.442 | |||
| Within | 0.130 | −0.606 | 0.841 | |||
| BRem4 | Variable remuneration as a share of net income | Overall | 0.015 | 0.048 | −0.126 | 0.205 |
| Between | 0.037 | −0.126 | 0.180 | |||
| Within | 0.035 | −0.213 | 0.227 | |||
| Panel D: Measures of board and firm features | ||||||
| BOwn | Percentage of equity capital owned by board | Overall | 0.206 | 0.234 | 0.000 | 0.893 |
| Between | 0.226 | 0.000 | 0.839 | |||
| Within | 0.073 | −0.180 | 0.675 | |||
| BIndep | Percentage of independent directors | Overall | 0.413 | 0.168 | 0.000 | 1.000 |
| Between | 0.144 | 0.125 | 0.759 | |||
| Within | 0.083 | −0.087 | 0.778 | |||
| BSize | Number of board members | Overall | 10.262 | 3.206 | 4.000 | 19.000 |
| Between | 3.170 | 4.000 | 17.500 | |||
| Within | 0.832 | 7.662 | 14.262 | |||
| BExec | Percentage of executive directors | Overall | 0.1651 | 0.110 | 0.000 | 0.667 |
| Between | 0.101 | 0.000 | 0.540 | |||
| Within | 0.046 | 0.005 | 0.405 | |||
| Size | Log transformation of company’s total assets | Overall | 20.992 | 2.090 | 15.790 | 25.541 |
| Between | 2.109 | 16.424 | 25.502 | |||
| Within | 0.210 | 19.830 | 22.090 | |||
| Risk | Altman’s (1968) Z-score index | Overall | 2.456 | 2.772 | −8.966 | 16.554 |
| Between | 2.760 | −6.173 | 13.806 | |||
| Within | 0.843 | −1.891 | 7.360 | |||
| ROA | Net income over total assets | Overall | 0.032 | 0.068 | −0.192 | 0.212 |
| Between | 0.065 | −0.192 | 0.212 | |||
| Within | 0.037 | −0.170 | 0.234 | |||
| Lev | Short- and long-term debt over total assets | Overall | 0.289 | 0.181 | 0.000 | 0.825 |
| Between | 0.185 | 0.000 | 0.825 | |||
| Within | 0.060 | −0.054 | 0.654 | |||
| GO | Growth opportunities | Overall | 1.210 | 1.018 | 0.059 | 7.730 |
| Between | 1.012 | 0.094 | 6.357 | |||
| Within | 0.347 | −1.325 | 4.375 | |||
| Variable | Description | Mean | SD | Min | Max | |
|---|---|---|---|---|---|---|
| Country rank of earnings quality, defined by StarMine | Overall | 0.452 | 0.288 | 0.010 | 1.000 | |
| Between | 0.224 | 0.010 | 0.888 | |||
| Within | 0.199 | −0.188 | 0.967 | |||
| Accrual measure of earnings quality, defined by StarMine | Overall | 0.503 | 0.263 | 0.010 | 1.000 | |
| Between | 0.172 | 0.040 | 0.940 | |||
| Within | 0.218 | −0.077 | 1.106 | |||
| Cash flow measure of earnings quality, defined by StarMine | Overall | 0.558 | 0.222 | 0.040 | 1.000 | |
| Between | 0.197 | 0.090 | 1.000 | |||
| Within | 0.127 | 0.045 | 1.060 | |||
| Operating-efficiency measure of earnings quality, defined by StarMine | Overall | 0.548 | 0.263 | 0.010 | 1.000 | |
| Between | 0.230 | 0.055 | 0.978 | |||
| Within | 0.152 | −0.030 | 1.125 | |||
| Earnings-management measure based on modified Jones’s model | Overall | −0.061 | 0.108 | −0.941 | 0.000 | |
| Between | 0.115 | −0.941 | 0.000 | |||
| Within | 0.075 | −0.760 | 0.324 | |||
| Percentage of female directors | Overall | 0.159 | 0.122 | 0.000 | 0.571 | |
| Between | 0.105 | 0.000 | 0.514 | |||
| Within | 0.061 | −0.008 | 0.436 | |||
| Overall | 0.238 | 0.152 | 0.000 | 0.500 | ||
| Between | 0.134 | 0.000 | 0.487 | |||
| Within | 0.077 | 0.019 | 0.538 | |||
| Overall | 0.374 | 0.218 | 0.000 | 0.693 | ||
| Between | 0.193 | 0.000 | 0.680 | |||
| Within | 0.113 | 0.023 | 0.823 | |||
| Log transform of total remuneration per director (€) | Overall | 12.119 | 1.184 | 7.041 | 14.630 | |
| Between | 1.227 | 7.118 | 14.057 | |||
| Within | 0.358 | 10.528 | 13.666 | |||
| Log transform of fixed remuneration per director (€) | Overall | 11.649 | 1.047 | 7.041 | 14.501 | |
| Between | 1.045 | 7.118 | 13.364 | |||
| Within | 0.358 | 9.115 | 13.644 | |||
| Total remuneration as a share of net income | Overall | 0.039 | 0.166 | −0.494 | 0.840 | |
| Between | 0.122 | −0.494 | 0.442 | |||
| Within | 0.130 | −0.606 | 0.841 | |||
| Variable remuneration as a share of net income | Overall | 0.015 | 0.048 | −0.126 | 0.205 | |
| Between | 0.037 | −0.126 | 0.180 | |||
| Within | 0.035 | −0.213 | 0.227 | |||
| Percentage of equity capital owned by board | Overall | 0.206 | 0.234 | 0.000 | 0.893 | |
| Between | 0.226 | 0.000 | 0.839 | |||
| Within | 0.073 | −0.180 | 0.675 | |||
| Percentage of independent directors | Overall | 0.413 | 0.168 | 0.000 | 1.000 | |
| Between | 0.144 | 0.125 | 0.759 | |||
| Within | 0.083 | −0.087 | 0.778 | |||
| Number of board members | Overall | 10.262 | 3.206 | 4.000 | 19.000 | |
| Between | 3.170 | 4.000 | 17.500 | |||
| Within | 0.832 | 7.662 | 14.262 | |||
| Percentage of executive directors | Overall | 0.1651 | 0.110 | 0.000 | 0.667 | |
| Between | 0.101 | 0.000 | 0.540 | |||
| Within | 0.046 | 0.005 | 0.405 | |||
| Log transformation of company’s total assets | Overall | 20.992 | 2.090 | 15.790 | 25.541 | |
| Between | 2.109 | 16.424 | 25.502 | |||
| Within | 0.210 | 19.830 | 22.090 | |||
| Overall | 2.456 | 2.772 | −8.966 | 16.554 | ||
| Between | 2.760 | −6.173 | 13.806 | |||
| Within | 0.843 | −1.891 | 7.360 | |||
| Net income over total assets | Overall | 0.032 | 0.068 | −0.192 | 0.212 | |
| Between | 0.065 | −0.192 | 0.212 | |||
| Within | 0.037 | −0.170 | 0.234 | |||
| Short- and long-term debt over total assets | Overall | 0.289 | 0.181 | 0.000 | 0.825 | |
| Between | 0.185 | 0.000 | 0.825 | |||
| Within | 0.060 | −0.054 | 0.654 | |||
| GO | Growth opportunities | Overall | 1.210 | 1.018 | 0.059 | 7.730 |
| Between | 1.012 | 0.094 | 6.357 | |||
| Within | 0.347 | −1.325 | 4.375 | |||
Notes:
This table shows the mean, the standard deviation and the minimum and maximum for the total sample variables, differentiating between overall, between and within measures of the statistics (e.g. standard deviation, minimum and maximum). EQ1 to EQ4 as well as EM are the alternative metrics of earnings quality, which are the dependent variables in the main study. These metrics correspond to the measures of earnings quality developed by StarMine, based on a percentile ranking from 0 to 1 of stocks based on sustainability of earnings, with 1 representing the highest rank. These metrics are classified as the overall measure of earnings quality (EQ1), earnings quality corresponding to an accruals measure (EQ2), a cash flow measure (EQ3) and an operating-efficiency measure (EQ4). EM is the measure of earnings quality based on discretionary accruals used in the robustness analyses. By construction, EM takes negative values, with higher values indicating better earnings quality. GD1 to GD3 are the board’s gender-diversity alternative metrics for our first independent variable. BRem1 to BRem4 are the measures of remuneration of the board of directors, related to the hypotheses regarding the directors’ compensation. BOwn is the percentage of the equity capital owned by the board of directors, BIndep is the percentage of independent board members, BSize is the number of directors on the board of directors and BExec is the percentage of executive directors. Size is firm size as the logarithm of total assets. Risk measures the default risk based on Altman’s (1968) Z-score. ROA measures the return on assets, computed as net income over total assets. Lev measures the leverage ratio, defined as the sum of short- and long-term debt over total assets. Finally, GO is a metric of growth opportunities, defined as total assets less total common equity plus the company’s market capitalization, all scaled by total assets.
***Significance of the t test at 1%
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