Table 4 Test on the balance of matching variables
From: Innovative behavior and the Chinese enterprise survival risk: an empirical research
Samples | Average | Standard deviation (%) | Decrease range of standard deviation (%) | Value of T | ||
|---|---|---|---|---|---|---|
experimental group | control group | |||||
Size | Before matching | 8.866 | 8.204 | 44.28 | 99.2 | 14.73 |
After matching | 8.866 | 8.853 | 0.3 | 0.57 | ||
TFP | Before matching | 6.161 | 5.832 | 30.4 | 97.6 | 21.47 |
After matching | 6.161 | 6.138 | 2.5 | 1.38 | ||
Finance | Before matching | 1.133 | 1.285 | −12.7 | 50.3 | −8.31 |
After matching | 1.133 | 1.126 | 3.2 | 2.44 | ||
Capital | Before matching | 0.964 | 0.739 | 25.9 | 85.7 | 11.38 |
After matching | 0.964 | 0.955 | 1.8 | 0.87 | ||
Profit | Before matching | 3.624 | 2.172 | 60.2 | 99.8 | 30.16 |
After matching | 3.624 | 3.486 | 6.4 | 2.81 | ||
Resource | Before matching | 0.396 | 0.335 | 5.2 | 46.7 | 2.33 |
After matching | 0.396 | 0.391 | 0.6 | 0.05 | ||
Export | Before matching | 0.160 | 0.138 | 8.4 | 97.4 | 3.61 |
After matching | 0.160 | 0.168 | −1.5 | −0.52 | ||
Debt | Before matching | 0.572 | 0.541 | 10.3 | 89.3 | 4.28 |
After matching | 0.572 | 0.570 | 0.4 | 0.08 | ||