Table 5.
Estimated results of the subsamples of four regions 2006 to 2017.
| Region | Effect | RTI | PS | RH | PEF | RMI | RLG | RPC |
|---|---|---|---|---|---|---|---|---|
| Eastern | Total effect | −0.038** (0.016) | −0.023*** (0.006) | 0.173*** (0.045) | −0.088* (0.054) | −0.158** (0.065) | 0.030** (0.012) | 0.091** (0.038) |
| Direct effect | −0.025*** (0.007) | −0.016*** (0.004) | 0.127** (0.053) | −0.153 (0.135) | −0.102** (0.042) | 0.022*** (0.006) | 0.063*** (0.016) | |
| Indirect effect | −0.013* (0.008) | −0.007** (0.003) | 0.049 (0.042) | 0.062 (0.054) | −0.056* (0.033) | 0.008** (0.003) | 0.028*** (0.007) | |
| Central | Total effect | −0.049*** (0.013) | −0.043*** (0.011) | 0.128** (0.051) | −0.134* (0.081) | 0.174 (0.0154) | 0.063* (0.038) | 0.059** (0.025) |
| Direct effect | −0.033*** (0.009) | −0.034*** (0.009) | 0.095*** (0.025) | −0.176 (0.152) | −0.131*** (0.035) | 0.047*** (0.013) | 0.042*** (0.011) | |
| Indirect effect | −0.016** (0.007) | −0.009* (0.005) | 0.033 (0.041) | 0.042 (0.052) | −0.043** (0.018) | 0.016* (0.010) | 0.017* (0.010) | |
| Western | Total effect | −0.014** (0.006) | −0.024 (0.021) | 0.045* (0.027) | −0.183 (0.156) | 0.120* (0.073) | −0.062** (0.025) | 0.018 (0.022) |
| Direct effect | −0.024** (0.010) | −0.030* (0.018) | 0.067*** (0.018) | −0.169 (0.145) | 0.145** (0.060) | −0.044** (0.019) | 0.031*** (0.008) | |
| Indirect effect | 0.010* (0.006) | 0.006 (0.004) | −0.022** (0.009) | −0.014 (0.017) | −0.025 (0.031) | −0.018 (0.023) | −0.013 (0.011) | |
| Northeast | Total effect | −0.011 (0.013) | −0.024 (0.031) | −0.038* (0.023) | −0.081 (0.069) | 0.066** (0.027) | −0.007* (0.004) | 0.026 (0.023) |
| Direct effect | −0.018** (0.007) | −0.020 (0.017) | −0.051** (0.022) | −0.093 (0.113) | 0.084*** (0.022) | −0.009 (0.008) | 0.035* (0.021) | |
| Indirect effect | 0.007 (0.009) | −0.004 (0.003) | 0.013 (0.016) | 0.012 (0.015) | −0.018 (0.016) | 0.002 (0.003) | −0.009 (0.008) |
represent the significance level of 10, 5, and 1%, respectively, and the data in brackets is standard deviation.