Table 6.

Estimates translog cost function model (N = 682)

Variable	Estimate	St. error	T value
Constant	0.270	0.016	17.14
Admissions	0.656	0.022	29.61
Outpatients	0.383	0.024	16.14
Other revenues	0.072	0.009	7.96
Admissions * admissions	−0.160	0.069	−2.32
Admissions * outpatients	0.162	0.067	2.42
Admissions * other revenues	0.061	0.026	2.35
Outpatients * outpatients	−0.239	0.092	−2.59
Outpatients* other revenues	−0.012	0.027	−0.44
Other revenues* other revenues	−0.021	0.009	−2.30
Price management and clerical staff	0.101	0.002	42.13
Price nursing personnel	0.335	0.004	87.37
Price paramedical personnel	0.049	0.002	26.87
Price auxiliary personnel	0.109	0.002	44.37
Price material patients	0.231	0.004	51.54
Price material general	0.078	0.003	25.18
Price capital	0.097	0.002	61.26
Price man. and staff. * price man. and staff.	0.055	0.006	9.36
Price man. and staff.* price nursing personnel	0.004	0.007	0.61
Price man. and staff. * price medical personnel	−0.004	0.002	−1.92
Price man. and staff. * price auxiliary personnel	−0.010	0.002	−5.44
Price man. and staff. * price material patients	−0.030	0.008	−3.78
Price man. and staff. * price material general	−0.007	0.006	−1.13
Price man. and staff.* price capital	−0.008	0.002	−3.69
Price nursing personnel * price nursing personnel	0.088	0.015	5.98
Price nursing personnel * price medical personnel	0.011	0.003	3.26
Price nursing personnel * price auxiliary personnel	−0.023	0.003	−7.57
Price nursing personnel * price material patients	−0.021	0.014	−1.55
Price nursing personnel * price material general	−0.034	0.011	−3.14
Price nursing personnel * price capital	−0.025	0.003	−7.66
Price medical personnel * price medical personnel	0.012	0.002	5.82
Price medical personnel * price auxiliary personnel	0.003	0.001	2.10
Price medical personnel * price material patients	−0.009	0.004	−2.42
Price medical personnel * price material general	−0.010	0.003	−3.74
Price medical personnel * price capital	−0.003	0.001	−2.26
Price auxiliary personnel * price auxiliary personnel	0.026	0.002	10.90
Price auxiliary personnel * price material patients	0.006	0.003	2.09
Price auxiliary personnel * price material general	0.002	0.002	1.02
Price auxiliary personnel * price capital	−0.004	0.001	−3.17
Price medical supplies *price material patients	0.024	0.044	0.55
Price material patients * price material general	0.034	0.041	0.83
Price material patients * capital	−0.004	0.004	−1.18
Price material general * price material general	0.028	0.040	0.69
price material supplies * price capital	−0.013	0.003	−4.53
price capital * price capital	0.057	0.002	34.27
Admissions * price man. and staff.	0.000 03	0.003	0.01
Admissions* price nursing personnel	−0.018	0.004	−4.11
Admissions * price medical personnel	0.011	0.002	4.51
Admissions * price auxiliary personnel	−0.010	0.003	−3.12
Admissions * price material patients	0.031	0.005	6.82
Admissions * price material general	−0.003	0.003	−1.15
Admissions * capital	−0.009	0.002	−5.07
Outpatients * price man. and staff.	0.006	0.003	1.87
Outpatients * price nursing personnel	0.012	0.005	2.31
Outpatients * price medical personnel	0.003	0.003	1.17
Outpatients * price auxiliary personnel	0.007	0.004	1.80
Outpatients * price material patients	−0.033	0.005	−6.24
Outpatients * price material general	−0.008	0.004	−2.30
Outpatients * capital	0.012	0.002	5.87
Other rev. * price man. and staff.	−0.001	0.001	−0.47
Other rev. * price nursing personnel	−0.001	0.002	−0.59
Other rev. * price medical personnel	0.005	0.001	5.49
Other rev. * price auxiliary personnel	−0.004	0.001	−3.05
Other rev. * price material patients	0.000 5	0.002	0.27
Other rev. * price material general	0.003	0.001	2.36
Other rev. * capital	−0.003	0.001	−3.99
Time	−0.030	0.005	−6.24
Time squared	0.001	0.001	1.11
Trend * price man. and staff.	−0.000 5	0.000 3	−1.41
Trend * price nursing personnel	−0.001	0.001	−2.45
Trend * price medical personnel	−0.001	0.000 3	−2.19
Trend * price auxiliary personnel	−0.002	0.000 4	−5.60
Trend * price material patients	0.003	0.001	4.87
Trend * price material general	0.002	0.000 4	4.11
Trend * price capital	−0.001	0.000 2	−2.44
Admissions * surgery and orthopaedics	−0.158	0.026	−5.98
Admissions * psychiatric beds	0.013	0.003	3.99
Admissions * IC beds	0.018	0.011	1.67
Admissions * expected length of stay	0.241	0.063	3.80
Admissions * neurosurgery	0.028	0.004	6.57
Admissions * cardiothoracic surgery	0.098	0.010	9.64
Admissions * cardiothoracic surgery	0.140	0.012	11.920
R 2 cost function	0.98
R 2 management and clerical staff	0.21
R 2 nursing personnel	0.29
R 2 paramedical personnel	0.37
R 2 auxiliary personnel	0.30
R 2 medical supplies	0.46
R 2 material supplies	0.10
R 2 capital	0.66