Regression analysis of innovation capabilities models
| Variables | Coeff. | Std. err. | Coeff | Std. err. | Only upstream firms | Only downstream firms | Both upstream and downstream firms | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model I | Model II | Model III | Model IV | Model V | ||||||||||
| Coeff. | Std. err. | Coeff. | Std. err. | Coeff. | Std. err. | Coeff. | Std. err. | Coeff. | Std. err. | |||||
| DC | 0.247** | 0.074 | 0.218** | 0.074 | 0.238*** | 0.053 | 0.234*** | 0.052 | 0.213*** | ,054 | ||||
| OC | 0.014 | 0.0.071 | 0.002 | 0.082 | 0.033 | 0.053 | 0.012 | 0.053 | 0.025 | ,054 | ||||
| MC | 0.322*** | 0.0.078 | 0.265*** | 0.072 | 0.309*** | 0.053 | 0.295*** | 0.053 | 0.274*** | ,054 | ||||
| TC | 0.333*** | 0.074 | 0.265** | 0.074 | 0.306*** | 0.52 | 0.302*** | 0.052 | 0.275*** | ,054 | ||||
| Chain position | 0.319*** | 0.122 | 0.240* | 0.107 | 0.199* | 0.108 | ||||||||
| Size | 0.343*** | 0.071 | 0.166* | ,067 | ||||||||||
| Constant | −0.538 | 0.131 | −0.118 | 0.083 | −0.082 | 0.074 | 0.162* | 0.078 | 0.026 | 0.052 | −0.086 | 0.072 | −0.339 | 0.129 |
| No of obs. | 256 | 256 | 140 | 123 | 263 | 263 | 254 | |||||||
| R² | 0.084 | 0.026 | 0.279 | 0.215 | 0.257 | 0.272 | 0.285 | |||||||
| Adjusted R² | 0.081 | 0.022 | 0.258 | 0.189 | 0.246 | 0.258 | 0.268 | |||||||
| Variables | Coeff. | Std. err. | Coeff | Std. err. | Only upstream firms | Only downstream firms | Both upstream and downstream firms | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model I | Model II | Model III | Model IV | Model V | ||||||||||
| Coeff. | Std. err. | Coeff. | Std. err. | Coeff. | Std. err. | Coeff. | Std. err. | Coeff. | Std. err. | |||||
| DC | 0.247 | 0.074 | 0.218 | 0.074 | 0.238 | 0.053 | 0.234 | 0.052 | 0.213 | ,054 | ||||
| OC | 0.014 | 0.0.071 | 0.002 | 0.082 | 0.033 | 0.053 | 0.012 | 0.053 | 0.025 | ,054 | ||||
| MC | 0.322 | 0.0.078 | 0.265 | 0.072 | 0.309 | 0.053 | 0.295 | 0.053 | 0.274 | ,054 | ||||
| TC | 0.333 | 0.074 | 0.265 | 0.074 | 0.306 | 0.52 | 0.302 | 0.052 | 0.275 | ,054 | ||||
| Chain position | 0.319 | 0.122 | 0.240 | 0.107 | 0.199 | 0.108 | ||||||||
| Size | 0.343 | 0.071 | 0.166 | ,067 | ||||||||||
| Constant | −0.538 | 0.131 | −0.118 | 0.083 | −0.082 | 0.074 | 0.162 | 0.078 | 0.026 | 0.052 | −0.086 | 0.072 | −0.339 | 0.129 |
| No of obs. | 256 | 256 | 140 | 123 | 263 | 263 | 254 | |||||||
| 0.084 | 0.026 | 0.279 | 0.215 | 0.257 | 0.272 | 0.285 | ||||||||
| Adjusted | 0.081 | 0.022 | 0.258 | 0.189 | 0.246 | 0.258 | 0.268 | |||||||
Notes:
* Two-tailed test: p < 0.05;
** Two-tailed test: p < 0.01;
*** Two-tailed test: p < 0.001
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