Explaining Connected_cities index
| Eq. (1) | Eq. (2) | Eq. (3) | Eq. (4) | |||||
|---|---|---|---|---|---|---|---|---|
| Coef | Robust Std. Err | Coef | Robust Std. Err | Coef | Robust Std. Err | Coef | Robust Std. Err | |
| Autonomy | −4.7220 | 7.8243 | −2.8459 | 6.9476 | −4.0152 | 8.0496 | −0.9530 | 7.2793 |
| Current_balance | −10.8829 | 7.3335 | −23.3795** | 7.3157 | ||||
| Indebtedness | −5.4337*** | 1.2032 | −7.2276*** | 1.1545 | ||||
| Strength | 26.6110† | 14.4275 | 27.8053* | 12.8722 | 38.6190* | 15.7233 | 36.3963* | 13.9933 |
| GDP | 37.0473*** | 8.6250 | 33.2064*** | 7.7651 | ||||
| Education | 0.1541 | 0.1962 | 0.3335† | 0.1687 | ||||
| Ideology | −0.0307 | 1.8188 | 0.0721 | 1.6764 | −0.6212 | 1.9473 | −0.4225 | 1.7559 |
| Population | 12.8033*** | 1.8810 | 13.2117*** | 1.7635 | 14.8917*** | 1.8498 | 15.0101*** | 1.7693 |
| Elderly | 0.5299 | 0.5593 | 0.6832 | 0.4985 | 0.9245 | 0.5939 | 1.1596* | 0.5500 |
| _cons | −4.7358*** | 0.8397 | −4.5328*** | 0.7317 | −1.3938*** | 0.3080 | −1.7796*** | 0.2672 |
| Adj. R2 | 0.7078 | 0.7455 | 0.6595 | 0.7098 | ||||
| Het. Test | Prob > χ2 = 0.0068 | Prob > χ2 = 0.0031 | Prob > χ2 = 0.0108 | Prob > χ2 = 0.0023 | ||||
| Max. VIF value | 1.64 | 1.46 | 1.36 | 1.24 | ||||
| Coef | Robust Std. Err | Coef | Robust Std. Err | Coef | Robust Std. Err | Coef | Robust Std. Err | |
|---|---|---|---|---|---|---|---|---|
| Autonomy | −4.7220 | 7.8243 | −2.8459 | 6.9476 | −4.0152 | 8.0496 | −0.9530 | 7.2793 |
| Current_balance | −10.8829 | 7.3335 | −23.3795** | 7.3157 | ||||
| Indebtedness | −5.4337*** | 1.2032 | −7.2276*** | 1.1545 | ||||
| Strength | 26.6110† | 14.4275 | 27.8053* | 12.8722 | 38.6190* | 15.7233 | 36.3963* | 13.9933 |
| GDP | 37.0473*** | 8.6250 | 33.2064*** | 7.7651 | ||||
| Education | 0.1541 | 0.1962 | 0.3335† | 0.1687 | ||||
| Ideology | −0.0307 | 1.8188 | 0.0721 | 1.6764 | −0.6212 | 1.9473 | −0.4225 | 1.7559 |
| Population | 12.8033*** | 1.8810 | 13.2117*** | 1.7635 | 14.8917*** | 1.8498 | 15.0101*** | 1.7693 |
| Elderly | 0.5299 | 0.5593 | 0.6832 | 0.4985 | 0.9245 | 0.5939 | 1.1596* | 0.5500 |
| _cons | −4.7358*** | 0.8397 | −4.5328*** | 0.7317 | −1.3938*** | 0.3080 | −1.7796*** | 0.2672 |
| Adj. | 0.7078 | 0.7455 | 0.6595 | 0.7098 | ||||
| Het. Test | Prob > | Prob > | Prob > | Prob > | ||||
| Max. VIF value | 1.64 | 1.46 | 1.36 | 1.24 | ||||
Note(s): (1) †, *, **, and *** represents statistical relevance at 90, 95, 99, and 99.9% of confidence level
(2) The dependent variable is Connected_cities in all equations
Source(s): Authors’ own work
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