Robustness test for citations and patents
| Variables | (1) | (2) | (3) |
|---|---|---|---|
| Citations | Citations | Patents | |
| Citationst-1 | 0.126 (0.100) | 0.224 (0.243) | |
| Patentst-1 | 0.255** (0.122) | ||
| Rankingt-1 | 0.961 (1.053) | ||
| Rankingt-2 | −759.1** (311.8) | ||
| Rankingt-3 | −643.3** (309.4) | ||
| Sizet-1 | −0.0330 (0.0420) | −0.0116 (0.0627) | 0.000638 (0.000429) |
| STEM-faculty ratiot-1 | −1,343 (2,443) | −849.4 (2,207) | −96.38 (66.17) |
| Tuitiont-1 | 0.104 (0.0753) | 0.0372 (0.0921) | −0.0189 (0.0185) |
| THE-dummyt-1 | 108.8 (182.8) | 246.1 (203.0) | 0.775 (0.788) |
| Year dummy | Yes | Yes | Yes |
| Arellano-Bond test AR(1) | −3.07*** | −1.95** | −2.31** |
| Arellano-Bond test AR(2) | 0.17 | 0.43 | 1.42 |
| Hansen test | 30.8 | 41.8 | 24.3 |
| Variables | (1) | (2) | (3) |
|---|---|---|---|
| Citations | Citations | Patents | |
| Citationst-1 | 0.126 (0.100) | 0.224 (0.243) | |
| Patentst-1 | 0.255 | ||
| Rankingt-1 | 0.961 (1.053) | ||
| Rankingt-2 | −759.1 | ||
| Rankingt-3 | −643.3 | ||
| Sizet-1 | −0.0330 (0.0420) | −0.0116 (0.0627) | 0.000638 (0.000429) |
| STEM-faculty ratiot-1 | −1,343 (2,443) | −849.4 (2,207) | −96.38 (66.17) |
| Tuitiont-1 | 0.104 (0.0753) | 0.0372 (0.0921) | −0.0189 (0.0185) |
| THE-dummyt-1 | 108.8 (182.8) | 246.1 (203.0) | 0.775 (0.788) |
| Year dummy | Yes | Yes | Yes |
| Arellano-Bond test AR(1) | −3.07 | −1.95 | −2.31 |
| Arellano-Bond test AR(2) | 0.17 | 0.43 | 1.42 |
| Hansen test | 30.8 | 41.8 | 24.3 |
This table reports the robustness check for citations and patents using GMM system model. Standard errors are in parentheses. ***p < 0.01, **p < 0.05, *p < 0.1
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