Research Article
Explanatory Factors for Public Transportation Financing Needs in Spain
Table 9
Comparison of the results.
| Needs/PS | Coef. (Pool) | Coef. (Random) | Coef. (Tobit) |
| Ownership | -0.007 | -0.012 | -0.003 |
| Unemployment rate | -0.011 | -0.005 | -0.015 |
| GDP | -0.005 | -0.013 | -0.011 |
| Passengers | -0.333 | 0.225 | -0.294 |
| Price | -0.026 | -0.023 | -0.016 |
| Vehicles | 1.004 | 0.910 | 0.901 |
| KM/tra. | 0.298 | 0.437 | 0.358 |
| Lines | -0.007 | 0.054 | 0.000 |
| COMM/par. | 0.009 | 0.002 | 0.009 |
| FIN/reg. | -0.022 | 0.017 | -0.021 |
| COMM/def. | -0.502 | -0.222 | -0.531 |
| MUN/def. | 0.006 | 0.013 | 0.002 |
| TRSP/aut. | 0.017 | 0.003 | 0.012 |
| Metro/light rail | 0.014 | 0.031 | 0.018 |
| Employees | 0.337 | 0.172 | 0.331 |
| Drivers | -0.318 | -0.912 | -0.313 |
| POP/den. | 0.094 | 0.131 | 0.105 |
| _cons | -0.032 | -0.021 | -0.037 |
|
|
p < 0.10; p < 0.05; p < 0.01. Source: authors’ own. |