Macrolevel Traffic Crash Analysis: A Spatial Econometric Model Approach

Table 3

Estimation results of OLS, SAR, and SEM model.

Variables	OLS	SAR	SEM
Ln_Population_Density	0.184	0.161	0.171
Ln_Company_ Density	-0.667	-0.619	-0.642
Ln_Consumption_Density	0.089	0.086	0.087
Ln_Hotel_Density	-0.095	-0.091	-0.090
Ln_Residential_Density	-0.071	-0.077	-0.071
Ln_Intersection_Density	0.066	0.072	0.073
Ln_Road_Density	0.239	0.216	0.219
ρ/λ	/	0.219	0.195
Adjust R^2	0.342	0.436	0.434
Log-likelihood	-1485.7	-718.872	-733.734
AIC	2987.690	2740.370	2765.440
SIC	3032.940	2791.280	2810.690

Note: and indicate significance at the 1% and 5 % levels, respectively.