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Journal of Transportation and Statistics
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Volume 5 Number 1
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Paper 4
Table 5 - One-Way SUR Model for Per Capita Sales in Service Industries
Excel
|
CSV
Initial specification
Final specification
Coefficient
t-stat
Coefficient
t-stat
CONSTANT
1.32E+05
4.71
9.36E+04
4.05
STATE SALES PERCAP
7.68E-01
9.38
6.51E-01
9.61
YEAR
-6.82E+01
-4.73
-4.85E+01
-4.09
YEAR 1982
-2.12E+01
-0.16
3.18E+01
0.24
ELDERLY
2.54E+01
1.56
UNEMP RATE
-3.06E+01
-1.12
INCOME PERCAP
1.56E-01
3.89
1.53E-01
4.09
LARGECITY POP/DIST
3.50E-02
3.32
3.14E-02
3.32
TOT TRAFFIC PERCAP
3.97E+02
5.66
3.97E+02
5.89
RELIEF ROUTE
-1.17E+03
-1.35
6.54E+02
1.77
NUM YEARS
2.53E+01
0.57
NUM YEARS SQ
-3.06E+00
-1.75
-1.52E+00
-2.96
TRAFFIC SPLIT
-2.29E+03
-2.47
-1.51E+03
-1.96
DIST OLD
8.64E+01
1.18
DIST RATIO
1.63E+03
1.97
ACCESS CONTROL
1.71E+02
0.62
R
2
adj.
0.66
0.65
σ
2
μ
2.04E+05
2.29E+05
σ
2
ν
8.23E+05
6.27E+05
