A Weighted Statistical Network Modeling Approach to Product Competition Analysis

Table 3

With 50 different samples of 50,000 customers, the mean and standard deviations of estimated parameters show the model is stable and consistent.

	Mean	Standard deviation
Sum	−9.702 82	0.061 031
Import	−1.471 65	0.004 381
Price	0.281 495	0.002 867
Power	0.046 589	0.004 776
Fuel consumption	−0.032 57	0.001 119
Brand origin (USA)	1.410 614	0.003 135
Brand origin (Europe)	1.101 363	0.002 585
Brand origin (Japan)	0.449 603	0.002 032
Brand origin (Korean)	0.751 167	0.004 675
Market segment matching	1.152 023	0.002 034
Brand origin matching	0.874 848	0.001 701
Price difference	−1.896 83	0.002 395
Power difference	−0.072 07	0.007 694
Fuel consumption difference	−0.298 12	0.001 078