Table 8 Estimates of parameters with standard errors (in parentheses) in the main model using the bivariate selection model, the univariate selection model and the complete cases analysis
Parameter | Bivariate selection model | Univariate selection model | Complete cases | ||
|---|---|---|---|---|---|
Two-step | One-step | Two-step | One-step | ||
Intercept | 21.249 (0.138) | 21.156 (0.119) | 21.161 (0.129) | 21.098 (0.120) | 20.940 (0.106) |
Logarithm of the number of employees | 1.126 (0.031) | 1.132 (0.031) | 1.135 (0.031) | 1.139 (0.031) | 1.149 (0.030) |
Registered in Bourse | 0.607 (0.252) | 0.611 (0.270) | 0.649 (0.268) | 0.640 (0.269) | 0.632 (0.270) |
Isic4_2219 | − 0.687 (0.112) | − 0.678 (0.112) | − 0.691 (0.115) | − 0.685 (0.114) | − 0.669 (0.113) |
Inv. Mills ratio 1 | 0.074 (0.297) | 0.054 (0.086) | − 0.407 (0.137) | − 0.294 (0.096) |  |
Inv. Mills ratio 2 | − 0.619 (0.193) | − 0.427 (0.441) |  |  |  |
SSE | 858.368 | 855.872 | 866.945 | 866.338 | 876.035 |
MSE | 0.999 | 0.996 | 1.008 | 1.007 | 1.017 |