|
| (1) | (2) | (3) | (4) | (5) | (6) | |
|
| 2001-2003 | 2004-2007 | |||||
|
| Whole | East | Midwest | Whole | East | Midwest | |
| hp | 0.004 | 0.099 | −0.000 | −0.007** | −0.008** | 0.005 | |
|
| (0.39) | (0.59) | (−0.26) | (−2.95) | (−2.25) | (1.56) | |
| Control variables Time fixed effect | Yes Controlled | Yes Controlled | Yes Controlled | Yes Controlled | Yes Controlled | Yes Controlled | |
| City fixed effect | Controlled | Controlled | Controlled | Controlled | Controlled | Controlled | |
| Constant term | −46.472** | −290.997 | 10.818*** | 19.098*** | 16.523 | 10.978*** | |
|
| (−2.27) | (−0.68) | (2.82) | (3.17) | (1.10) | (2.79) | |
| Observations | 493 | 195 | 298 | 875 | 357 | 518 | |
| within R2 | 0.399 |
| 0.074 | 0.716 | 0.738 |
| |