Table 12.
Comparing DEA_CRS without STZ variable model results for the random effect models with instrumental variable ∆B(h,2008), the Generalized Estimation Equation model and Simar and Wilson model
| (1) RE | (2) RE(IV) | (3) GEE (logit) | (4) Simar and Wilson | |
|---|---|---|---|---|
| B(t) | − 0.038*** (0.009) | − 0.040*** (0.010) | − 0.255*** (0.079) | − 0.044*** (0.014) |
| ∆B(h, t) | 0.836*** (0.133) | 2.253*** (0.279) | 3.887*** (1.282) | 1.734*** (0.100) |
| A(h) | − 0.058 (0.042) | − 0.061 (0.041) | − 0.491 (0.363) | − 0.066*** (0.021) |
| HHI | 0.094 (0.073) | 0.057 (0.077) | 0.579 (0.944) | 0.137** (0.054) |
| _cons | 0.824*** (0.031) | 0.840*** (0.032) | 1.613*** (0.347) | 0.799*** (0.022) |
| /sigma | 0.088*** (0.003) | |||
| Obs | 576 | 576 | 576 | 508 |
| R 2 | ||||
| Within | 0.062 | 0.062 | ||
| Between | 0.524 | 0.518 | ||
| Overall | 0.385 | 0.371 | ||
Standard errors are in parenthesis
***p < 0.01, **p < 0.05, *p < 0.1