|
| (1) | (2) |
| RD | RD | |
| EDI | 0.091*** | 0.076*** |
|
| (0.016) | (0.015) |
| 企业规模(SIZE) | 0.600*** | 0.242*** |
|
| (0.064) | (0.049) |
| 资产负债率(LEV) | 0.270 | −0.090 |
|
| (0.225) | (0.208) |
| 总资产周转率(ATO) | −2.285*** | −2.442*** |
|
| (0.126) | (0.113) |
| 现金流比率(CASHFLOW) | 0.238 | 0.121 |
|
| (0.357) | (0.357) |
| 管理费用率(MFEE) | 10.097*** | 10.672*** |
|
| (0.563) | (0.542) |
| 董事人数(BOARD) | −0.234 | −0.530*** |
|
| (0.194) | (0.181) |
| _cons | −7.674*** | 1.159 |
|
| (1.442) | (1.112) |
| N | 10020.000 | 10020.000 |
| r2 | 0.109 |
|
| r2_a | −0.070 |
|
| Prob > chi2 = 0.0000 | ||