Variable | Obs | Min | Max | Mean | Std. Dev. |
Profit margin of main business (%) | 132 | 11.2 | 53.2 | 25.162 | 8.5231 |
Technology asset ratio (%) | 132 | 0.5 | 41.2 | 4.412 | 4.6112 |
Return on assets (%) | 132 | 0.6 | 25.4 | 7.124 | 5.0892 |
R&d personnel input intensity (%) | 132 | 3.1 | 42.8 | 15.374 | 7.6231 |
R&d capital investment intensity (%) | 132 | 0.1 | 13.8 | 4.366 | 2.0683 |