变量及统计指标 | 普通面板数据模型 | 空间面板数据回归模型 | |||
OLSRe | OLSFe | SDMRe | SDMFe | SDMFe | |
① | ② | ③ | ④ | ⑤ | |
lnCOVID | −0.003*** | −0.010** | −0.003*** | −0.003*** | −0.002*** |
| (−3.84) | (−2.63) | (−3.31) | (−2.95) | (−3.99) |
lnGDP19 | 1.022*** | 1.008*** | 1.023*** | 1.021*** | 0.966*** |
| (345.17) | (65.05) | (171.92) | (145.00) | (55.89) |
L.lnGDP20 |
|
|
|
| 0.029** |
|
|
|
|
| (2.16) |
_cons | −0.169*** | −0.014 | −0.153*** |
|
|
| (−5.54) | (−0.10) | (−2.86) |
|
|
Wx: |
|
|
|
|
|
lnGDP19 |
|
| −0.263 | −0.007 | 2.230*** |
|
|
| (−1.22) | (−0.02) | (5.95) |
lnCOVID |
|
| 0.002 | 0.002 | −0.009*** |
|
|
| (1.18) | (1.40) | (−3.29) |
Spatial:rho |
|
| 0.259 | 0.015 | 2.140*** |
|
|
| (1.21) | (0.05) | (5.90) |
Variance: |
|
|
|
|
|
lgt_theta |
|
| −1.063*** |
|
|
|
|
| (−5.21) |
|
|
sigma2_e |
|
| 0.000*** | 0.000*** | 0.000*** |
|
|
| (6.76) | (7.87) | (8.60) |
N | 124 | 124 | 124 | 124 | 93 |
r2 |
| 0.996 | 0.998 | 0.996 | 0.979 |
r2_a |
| 1.00 |
|
|
|