Type of variables | Variables | OLS | SEM | SAR | SDM | SAC1 | SAC2 |
---|---|---|---|---|---|---|---|
Space lag term | Rho | Â | Â | 0.148** (0.072) | 0.235 *** (0.058) | 0.746 *** (0.086) | 0.739 *** (0.153) |
Lambda | Â | 0.300 *** (0.061) | Â | Â | -0.702 *** (0.173) | -0.487 (0.567) | |
Economy factors | The GDP per capita | 0.034 ** (0.016) | 0.038 ** (0.012) | 0.033 ** (0.014) | 0.049 ** (0.021) | 0.036 *** (0.013) | 0.034 ** (0.014) |
The proportion of the tertiary industry | 0.023 *** (0.004) | 0.023 *** (0.005) | 0.022 *** (0.005) | 0.020 *** (0.006) | 0.018 *** (0.005) | 0.022 *** (0.006) | |
Population aging factors | The dependency ratio of the older adults | -0.003 (0.012) | 0.001 (0.013) | 0.002 (0.014) | -0.004 (0.012) | 0.006 (0.010) | -0.002 (0.013) |
The proportion of older adults | -0.074 *** (0.014) | -0.091 *** (0.012) | -0.078 *** (0.013) | -0.098 *** (0.011) | -0.081 *** (0.009) | -0.079 *** (0.012) | |
The digital technology factors | Ln(the fixed asset investment in digital industries) | 0.040 * (0.023) | 0.037 ** (0.018) | 0.035 * (0.019) | 0.027 (0.017) | 0.028 * (0.016) | 0.036 * (0.018) |
Ln(the number of employees in digital industries) | -0.089 (0.047) | -0.039 (0.093) | 0.086 (0.105) | -0.046 (0.103) | 0.071 (0.075) | -0.046 (0.095) | |
R-square | 0.309 | 0.375 | 0.292 | 0.201 | 0.462 | 0.3465 | |
AIC | -246.339 | -254.533 | -247.704 | -267.524 | -267.159 | -259.985 | |
BIC | -222.680 | -227.494 | -220.664 | -220.2055 | -236.740 | -229.566 | |
Log-likelihood | 130.169 | 135.267 | 131.852 | 147.762 | 142.579 | 138.993 |