Table 10.
The determinants of inefficiency scores (truncated regression), DEA 2 input 2 output model
| Variables | (1) Bias-adjusted coefficients | 95% Bootstrap confidence intervals | (2) Bias-adjusted coefficients | 95% Bootstrap confidence intervals | (3) Bias-adjusted coefficients | 95% Bootstrap confidence intervals | |||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Low | High | Low | High | ||||
| GDPn,t | −0.0005 | −0.00179 | 0.00067 | −0.0004 | −0.00177 | 0.00063 | −0.0002 | −0.00154 | 0.00077 |
| Studentsi,t | −0.2615*** | −0.32730 | −0.19267 | −0.3343*** | −0.40814 | −0.25983 | −0.3013*** | −0.37489 | −0.22853 |
| medi | −0.2377*** | −0.33174 | −0.13572 | −0.1228*** | −0.22047 | −0.01620 | −0.1129*** | −0.20974 | −0.01037 |
| yearfoundi | 0.0001 | −0.00018 | 0.00029 | 0.0007*** | 0.00042 | 0.00109 | 0.0008*** | 0.00051 | 0.00120 |
| Rev_corei,t | −0.0039 | −0.00838 | 0.00041 | 0.0027 | −0.00201 | 0.00713 | |||
| Womeni,t | −0.0120*** | −0.01591 | −0.00795 | ||||||
| Obs | 1261 | 954 | 905 | ||||||
* Value of zero does not fall within 90% confidence interval, ** Value of zero does not fall within 95% confidence interval, *** Value of zero does not fall within 99% confidence interval. Confidence intervals obtained from 1000 bootstraping interactions
Constants are not reported. Year and country dummies included in all models
Source Own calculations