| 变量 | salary (1) | salary (2) | salary (3) | salary (4) | |
| price | 2.538*** | 0.880*** | 2.010*** | 1.115*** | |
|
| (19.76) | (5.52) | (8.71) | (6.68) | |
| lninvest |
|
| 5148.473*** | −644.307 | |
|
|
|
| (4.83) | (−0.51) | |
| lngdp |
|
| 23,844.230*** | 9413.377*** | |
|
|
|
| (12.25) | (4.70) | |
| lnjob |
|
| −5262.813*** | −73.101 | |
|
|
|
| (−2.80) | (−0.05) | |
| lnsecond |
|
| −5265.396 | −12,288.841 | |
|
|
|
| (−0.62) | (−1.27) | |
| lnthird |
|
| 14,681.682 | −11,960.676 | |
|
|
|
| (1.14) | (−0.84) | |
| lnbook |
|
| −1026.335 | 322.863 | |
|
|
|
| (−1.27) | (0.56) | |
| lnroad |
|
| −4657.730*** | −3718.521** | |
|
|
|
| (−2.64) | (−2.51) | |
| lngrass |
|
| 1094.191 | 438.882 | |
|
|
|
| (1.01) | (0.28) | |
| lnbed |
|
| 7065.986*** | 2182.005** | |
|
|
|
| (2.81) | (2.04) | |
| lnteacher |
|
| 3080.505 | 3189.429** | |
|
|
|
| (1.52) | (2.55) | |
| lnbus |
|
| −15,540.578*** | 856.091 | |
|
|
|
| (−8.48) | (0.41) | |
| lnemploy |
|
| −3911.414*** | −9908.278*** | |
|
|
|
| (−2.78) | (−2.81) | |
| lncost |
|
| −1926.116 | −91.584 | |
|
|
|
| (−1.52) | (−0.11) | |
| lncpi |
|
| −13,023.525 | 99,367.576** | |
|
|
|
| (−0.46) | (2.56) | |
| Constant | 39,731.079*** | 57,963.171*** | −291,457.088* | −312,359.772 | |
|
| (26.68) | (14.27) | (−1.73) | (−1.54) | |
| 时间固定效应 | 未控制 | 已控制 | 未控制 | 已控制 | |
| 个体固定效应 | 未控制 | 已控制 | 未控制 | 已控制 | |
| Observations | 420 | 420 | 420 | 420 | |
| R-squared | 0.483 | 0.967 | 0.843 | 0.972 | |