From: How does the position of firms in the supply chain affect their performance? An empirical study
 | Standardized estimate—dependent variable: NP | |||||||
---|---|---|---|---|---|---|---|---|
 | Model 1 (Base Model 1) | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | Model 7 | Model 8 (Base Model 2) |
Intercept | − 0.009 | − 0.0043 | − 0.811 | − 0.043 | − 0.079 | − 0.084 | − 0.085 | 1.002** |
Independent variables | Â | Â | Â | Â | Â | Â | Â | Â |
SNTL1 |  | − 0.213* |  | − 0.213* | − 0.224* | − 0.205* | − 0.210** | − 0.205* |
SNTL2 |  |  | − 0.112* |  |  |  |  |  |
SNC | Â | 0.708*** | 0.655* | 0.709** | Â | Â | Â | 0.802* |
(SNC)2 |  |  |  | − 0.907 |  |  |  |  |
ST | Â | Â | Â | Â | 0.721*** | Â | 0.088 | 0.434 |
SSH | Â | Â | Â | Â | 0.065 | Â | Â | 0.031 |
BT | Â | Â | Â | Â | Â | 0.541* | 0.551* | 0.505 |
BSH | Â | Â | Â | Â | Â | 0.178 | Â | 0.170 |
ST × BT |  |  |  |  |  |  | − 0.082 |  |
Control variables | Â | Â | Â | Â | Â | Â | Â | Â |
AGE | 0.054 | 0.097 | 0.008 | 0.097 | 0.094 | 0.078 | 0.078 | 0.077 |
SIZE | Â | 0.328 | 0.277 | 0.159* | 0.100* | 0.309* | 0.441* | 0.274* |
PUB | − 0.285 | 0.182 | 0.054 | 0.181 | 0.033 | 0.293 | 0.294 | 0.322 |
JAP | 0.410 | − 0.118 | 0.718 | − 0.118 | − 0.101 | − 0.104 | − 0.105 | − 0.100 |
DL | 0.0039 | 0.001 | 0.123 | 0.082 | 0.091 | 0.003 | 0.012 | 0.003 |
R2 | 0.02 | 0.59 | 0.40 | 0.54 | 0.53 | 0.56 | 0.56 | 0.61 |
Adjusted R2 | 0.01 | 0.55 | 0.37 | 0.51 | 0.52 | 0.55 | 0.55 | 0.55 |
F | 0.2 | 15.30 | 12.47 | 9.53 | 14 | 15.99 | 13.48 | 10.05 |
p value | 0.9 | 1.002e−10 | 1.061e−10 | 1.023e−09 | 4.7833e−10 | 4.531e−11 | 1.94e−10 | 1.506e−10 |
Improvement over base R2 | Â | 0.57 | 0.38 | 0.52 | 0.51 | 0.54 | 0.54 | 0.59 |
Max VIF | 1.02 | 1.36 | 1.56 | 24.59 | 1.58 | 9.98 | 16.12 | 84.62 |