Heckman’s (1979) two-stage analysis
| Predicted sign | First stage | Second stage | |||
|---|---|---|---|---|---|
| Dependent variable = INVOP | Dependent variable = Firm performance (PERF1) | ||||
| Model (1) | Model (2) | Model (3) | Model (4) | ||
| INVOP | + | – | 0.083*** | 0.073*** | 0.119*** |
| (5.251) | (4.656) | (5.128) | |||
| INVOP × FEMOWN | + | – | – | 0.031** | – |
| (2.309) | |||||
| INVOP × CONTROL | – | – | – | – | −0.049** |
| (−2.373) | |||||
| FEMOWN | ? | – | 0.001 | −0.022* | 0.001 |
| (0.319) | (−1.888) | (0.328) | |||
| CONTROL | – | – | −0.005 | −0.005 | 0.031** |
| (−1.574) | (−1.553) | (1.992) | |||
| SIZE | + | 0.131*** | 0.007* | 0.007* | 0.007* |
| (6.516) | (1.746) | (1.722) | (1.693) | ||
| FAGE | ? | −0.087*** | −0.034*** | −0.034*** | −0.034*** |
| (−5.913) | (−8.308) | (−8.308) | (−8.314) | ||
| FOROWN | + | 0.003 | −0.000 | −0.000 | 0.000 |
| (0.066) | (−0.021) | (−0.010) | (0.058) | ||
| FINCRED | + | 0.005 | 0.005 | 0.005 | |
| (1.324) | (1.277) | (1.320) | |||
| EXPORT | + | 0.139*** | −0.008 | −0.008 | −0.008 |
| (2.649) | (−1.005) | (−1.009) | (−1.072) | ||
| FINCONS | – | −0.062*** | −0.001 | −0.001 | −0.001 |
| (−7.391) | (−0.587) | (−0.572) | (−0.581) | ||
| BUSRISK | – | −0.001 | −0.017*** | −0.017*** | −0.017*** |
| (−0.070) | (−10.879) | (−10.920) | (−10.955) | ||
| CORP | + | −0.022 | −0.009* | −0.009* | −0.009* |
| (−0.776) | (−1.685) | (−1.673) | (−1.663) | ||
| EXTDEP | + | −0.184*** | 0.011 | 0.011 | 0.011 |
| (−3.017) | (1.371) | (1.381) | (1.359) | ||
| INVOP | + | 0.051* | 0.004** | 0.004** | 0.004* |
| (1.790) | (1.988) | (1.990) | (1.981) | ||
| INVOP_IND | + | 3.148*** | – | – | – |
| (7.039) | |||||
| IMR | ? | – | −0.028 | −0.029 | −0.028 |
| (−0.787) | (−0.820) | (−0.801) | |||
| CONSTANT | ? | −2.021*** | 0.283*** | 0.292*** | 0.258*** |
| (−5.298) | (4.395) | (4.524) | (3.968) | ||
| Year fixed effects | Yes | Yes | Yes | Yes | |
| Industry fixed effects | Yes | Yes | Yes | Yes | |
| Country fixed effects | Yes | Yes | Yes | Yes | |
| Observations | 36,185 | 36,185 | 36,185 | 36,185 | |
| Pseudo R-squared/R-squared | 0.079 | 0.092 | 0.092 | 0.092 | |
| Test: INVOP + INVOP × FEMOWN = 0 | 16.56*** | ||||
| Test: INVOP + INVOP × CONTROL = 0 | 15.56*** | ||||
| Predicted sign | First stage | Second stage | |||
|---|---|---|---|---|---|
| Dependent variable = | Dependent variable = Firm performance ( | ||||
| Model (1) | Model (2) | Model (3) | Model (4) | ||
| + | – | 0.083*** | 0.073*** | 0.119*** | |
| (5.251) | (4.656) | (5.128) | |||
| + | – | – | 0.031** | – | |
| (2.309) | |||||
| – | – | – | – | −0.049** | |
| (−2.373) | |||||
| ? | – | 0.001 | −0.022* | 0.001 | |
| (0.319) | (−1.888) | (0.328) | |||
| – | – | −0.005 | −0.005 | 0.031** | |
| (−1.574) | (−1.553) | (1.992) | |||
| + | 0.131*** | 0.007* | 0.007* | 0.007* | |
| (6.516) | (1.746) | (1.722) | (1.693) | ||
| ? | −0.087*** | −0.034*** | −0.034*** | −0.034*** | |
| (−5.913) | (−8.308) | (−8.308) | (−8.314) | ||
| + | 0.003 | −0.000 | −0.000 | 0.000 | |
| (0.066) | (−0.021) | (−0.010) | (0.058) | ||
| + | 0.005 | 0.005 | 0.005 | ||
| (1.324) | (1.277) | (1.320) | |||
| + | 0.139*** | −0.008 | −0.008 | −0.008 | |
| (2.649) | (−1.005) | (−1.009) | (−1.072) | ||
| – | −0.062*** | −0.001 | −0.001 | −0.001 | |
| (−7.391) | (−0.587) | (−0.572) | (−0.581) | ||
| – | −0.001 | −0.017*** | −0.017*** | −0.017*** | |
| (−0.070) | (−10.879) | (−10.920) | (−10.955) | ||
| + | −0.022 | −0.009* | −0.009* | −0.009* | |
| (−0.776) | (−1.685) | (−1.673) | (−1.663) | ||
| + | −0.184*** | 0.011 | 0.011 | 0.011 | |
| (−3.017) | (1.371) | (1.381) | (1.359) | ||
| + | 0.051* | 0.004** | 0.004** | 0.004* | |
| (1.790) | (1.988) | (1.990) | (1.981) | ||
| + | 3.148*** | – | – | – | |
| (7.039) | |||||
| ? | – | −0.028 | −0.029 | −0.028 | |
| (−0.787) | (−0.820) | (−0.801) | |||
| ? | −2.021*** | 0.283*** | 0.292*** | 0.258*** | |
| (−5.298) | (4.395) | (4.524) | (3.968) | ||
| Year fixed effects | Yes | Yes | Yes | Yes | |
| Industry fixed effects | Yes | Yes | Yes | Yes | |
| Country fixed effects | Yes | Yes | Yes | Yes | |
| Observations | 36,185 | 36,185 | 36,185 | 36,185 | |
| Pseudo | 0.079 | 0.092 | 0.092 | 0.092 | |
| Test: | 16.56*** | ||||
| Test: | 15.56*** | ||||
Note(s): Superscript ***, **, and * represent statistical significance at the 1, 5, and 10% levels, respectively, two-tailed. Coefficient values (robust t-statistics) are shown with standard errors clustered at the country level. Descriptions of variables are provided in Appendix
Source(s): Authors’ own work
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