Table 9. Heterogeneities by urban hierarchies.
| Patent number (Total) | Firm number with patent (Extensive margin) | Innovation intensity (Intensive margin) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturing | Service | High-tech Service | Other service | Manufacturing | Service | High-tech service | Other service | Manufacturing | Service | High-tech service | Other service | |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) | |
| HSR x Top tier x Urban | 0.906*** | 1.874*** | 1.955*** | 1.694*** | 0.723*** | 1.498*** | 1.570*** | 1.269*** | 0.256*** | 0.100* | 0.0155 | 0.160** |
| (0.116) | (0.102) | (0.101) | (0.104) | (0.0669) | (0.0603) | (0.0608) | (0.0614) | (0.0509) | (0.0531) | (0.0862) | (0.0683) | |
| HSR x Top tier x County | 0.398*** | 0.556*** | 0.531*** | 0.278** | 0.329*** | 0.336*** | 0.344*** | 0.149** | -0.206*** | -0.201** | -0.35*** | 0.0799 |
| (0.0971) | (0.125) | (0.119) | (0.109) | (0.0676) | (0.0719) | (0.0702) | (0.0646) | (0.0540) | (0.0907) | (0.0963) | (0.191) | |
| HSR x Low tier x Urban | 0.856*** | 0.987*** | 0.972*** | 0.781*** | 0.578*** | 0.652*** | 0.632*** | 0.499*** | 0.279*** | 0.277** | 0.297** | 0.304* |
| (0.0752) | (0.0835) | (0.0891) | (0.0896) | (0.0432) | (0.0492) | (0.0531) | (0.0496) | (0.104) | (0.110) | (0.146) | (0.161) | |
| HSR x Low tier x County | 0.132** | 0.0802 | 0.0742 | 0.0739 | 0.0670* | 0.0285 | 0.0287 | 0.0191 | 0.202*** | 0.307** | 0.0982 | 0.500*** |
| (0.0607) | (0.0496) | (0.0452) | (0.0477) | (0.0376) | (0.0263) | (0.0254) | (0.0229) | (0.0669) | (0.125) | (0.175) | (0.174) | |
| Controls | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | - | - | - | - |
| County/firm fixed effects | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Province-Year fixed effects | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Number of counties/firms | 1972 | 1972 | 1972 | 1972 | 1972 | 1972 | 1972 | 1972 | 1972 | 86074 | 59739 | 26335 |
| R2 | 0.844 | 0.798 | 0.787 | 0.761 | 0.869 | 0.845 | 0.838 | 0.801 | 0.465 | 0.408 | 0.414 | 0.369 |
| Observation | 25636 | 25636 | 25636 | 25636 | 25636 | 25636 | 25636 | 25636 | 25636 | 651232 | 428833 | 222399 |
Notes: *, **, *** refers to the statistical significance at 10%, 5%, and 1%, respectively. The standard errors are reported in parentheses and clustered at county and firm levels.