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.