Table 6

Explaining Connected_cities index

Eq. (1)Eq. (2)Eq. (3)Eq. (4)
CoefRobust Std. ErrCoefRobust Std. ErrCoefRobust Std. ErrCoefRobust Std. Err
Autonomy−4.72207.8243−2.84596.9476−4.01528.0496−0.95307.2793
Current_balance−10.88297.3335  −23.3795**7.3157  
Indebtedness  −5.4337***1.2032  −7.2276***1.1545
Strength26.6110†14.427527.8053*12.872238.6190*15.723336.3963*13.9933
GDP37.0473***8.625033.2064***7.7651    
Education    0.15410.19620.3335†0.1687
Ideology−0.03071.81880.07211.6764−0.62121.9473−0.42251.7559
Population12.8033***1.881013.2117***1.763514.8917***1.849815.0101***1.7693
Elderly0.52990.55930.68320.49850.92450.59391.1596*0.5500
_cons−4.7358***0.8397−4.5328***0.7317−1.3938***0.3080−1.7796***0.2672
Adj. R20.70780.74550.65950.7098
Het. TestProb > χ2 = 0.0068Prob > χ2 = 0.0031Prob > χ2 = 0.0108Prob > χ2 = 0.0023
Max. VIF value1.641.461.361.24

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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