Table 2.
Estimated coefficients of the mediation model.
| Model 1 | Model 2 | Model 3 | ||||
|---|---|---|---|---|---|---|
| Perceived insider status | Job performance | Job performance | ||||
| OLS | Heckman | OLS | Heckman | OLS | Heckman | |
| Main | ||||||
| Gender | 0.10 | 0.10 | −0.02 | −0.02 | −0.08 | −0.08 |
| (0.61) | (0.61) | (−0.11) | (−0.12) | (−0.77) | (−0.76) | |
| Age | 0.09* | 0.09* | 0.11*** | 0.11*** | 0.05* | 0.05* |
| (2.42) | (2.44) | (3.32) | (3.33) | (2.25) | (2.22) | |
| Education | 0.08* | 0.08* | 0.07* | 0.07* | 0.02 | 0.02 |
| (2.34) | (2.35) | (2.39) | (2.40) | (1.04) | (1.05) | |
| Tenure | 0.04 | 0.04 | 0.03 | 0.03 | 0.01 | 0.01 |
| (1.12) | (1.10) | (1.05) | (1.00) | (0.37) | (0.26) | |
| Employment form | 1.58*** | 1.21*** | 0.21*** | |||
| (24.99) | (21.37) | (3.38) | ||||
| 1. Employment form | 1.60*** | 1.21*** | 0.19 | |||
| (8.32) | (6.33) | (0.89) | ||||
| Perceived insider status | 0.63*** | 0.63*** | ||||
| (20.25) | (20.42) | |||||
| _cons | 2.00*** | 1.99*** | 2.52*** | 2.51*** | 1.25*** | 1.27*** |
| (8.50) | (7.00) | (11.92) | (9.46) | (7.71) | (5.27) | |
| Employment form | ||||||
| Gender | 0.14 | 0.14 | 0.14 | |||
| (0.40) | (0.40) | (0.40) | ||||
| Age | −0.05 | −0.05 | −0.05 | |||
| (−0.67) | (−0.67) | (−0.68) | ||||
| Education | 0.02 | 0.02 | 0.02 | |||
| (0.31) | (0.31) | (0.31) | ||||
| Tenure | −0.18* | −0.18* | −0.18* | |||
| (−2.48) | (−2.48) | (−2.48) | ||||
| _cons | 1.05* | 1.05* | 1.06* | |||
| (2.18) | (2.18) | (2.18) | ||||
| / | ||||||
| athrho | −0.02 | −0.01 | 0.04 | |||
| (−0.11) | (−0.04) | (0.11) | ||||
| lnsigma | −0.50*** | −0.61*** | −0.95*** | |||
| (−14.50) | (−17.75) | (−27.14) | ||||
| N | 426 | 426 | 426 | 426 | 426 | 426 |
| Adj. R-sq | 0.60 | 0.52 | 0.76 | |||
| pseudo R ~ q | ||||||
N = 426 employees. SE, standard error. For employment form, 1 = standard, 0 = outsourced. t statistics in parentheses. *p < 0.05, **p < 0.01, ***p < 0.001.