Information Technology Reference
In-Depth Information
Table 11.12
Estimated result of a high school and a university student
Variable
Coefficient
t-value
P-value
Random
nonrandom
parameters in utility functions
Availability (no)
0.048
0.518
0.605
Availability
univ. dummy
0.387
2.467
0.014
Saturation (high)
2.530
13.943
0.000
Saturation
univ. dummy
1.085
4.144
0.000
Procedure (easy)
1.167
10.580
0.000
Procedure
univ. dummy
0.313
1.734
0.083
Postage
0.00333
10.561
0.000
Postage univ. dummy
0.00051
1.087
0.277
Price
0.00191
21.522
0.000
Price univ. dummy
0.00036
4.141
0.000
ASC3
6.064
20.439
0.000
Derived standard deviations of parameter distributions
Availability (no)
0.903
9.322
0.000
Saturation (high)
1.614
10.786
0.000
Procedure (easy)
1.063
9.433
0.000
Postage
0.003
7.419
0.000
Price
0.000
4.313
0.000
ASC3
2.869
15.992
0.000
No. of obs.
4,045
Log-likelihood
3,299.722
The bold lettering indicates the nonrandom parameter
Table 11.13
Estimated result of a online shop user and a nonuser
Variable
Coefficient
t-value
P-value
Random
nonrandom
parameters in utility functions
Availability (no)
0.070
0.574
0.566
Availability
use dummy
0.390
2.538
0.011
Saturation (high)
0.3147
12.773
0.000
Saturation
use dummy
1.488
5.521
0.000
Procedure (easy)
1.479
10.155
0.000
Procedure use dummy
0.799
4.444
0.000
Postage
0.00322
8.162
0.000
Postage use dummy
0.00016
0.330
0.742
Price
0.00200
20.045
0.000
Price use dummy
0.00027
3.159
0.002
5.987
19.486
ASC3
0.000
Derived standard deviations of parameter distributions
Availability (no)
0.935
9.176
0.000
Saturation (high)
1.635
13.587
0.000
Procedure (easy)
1.182
10.669
0.000
Postage
0.003
8.175
0.000
ASC3
3.500
15.506
0.000
No. of Obs.
4,045
Log-likelihood
3,278.918
The bold lettering indicates the nonrandom parameter
