Table 4.
Organizational variable definitions.
| Type of variable | Variable name | Variable definition |
|---|---|---|
| Organization | Manager number | Natural logarithm of the total number of managers |
| Education level | The education level of the senior executive team is measured, that is, the value of other degrees is 1, the college degree is 2, 3, and the graduate degree is 4. The sum of the weight of the senior executive team is divided by the total number of people to obtain the average number of the education level of the senior executive team | |
| Social network | The total number of senior executives working in other enterprises in the corresponding year | |
| Top ten holders’ rate | Share ratio of the top ten shareholders | |
| Duality | Duality = 1, non-duality = 0 | |
| IndDirector ratio | The proportion of the number of independent directors to the number of the board of directors | |
| ROA | Return on assets ROA. (Profit for the year/total assets) | |
| Lev | The ratio of total liabilities to total assets | |
| Growth | (Operating income of this year/operating income of last year) − 1 | |
| TobinQ | (Market value of tradable shares + number of non-tradable shares net assets per share + book value of liabilities)/total assets |