Table 6 Multicollinearity test results (a): For independent variables of research and innovation productivities models, (b): For independent variables of research and innovation productivities models when citations were dropped, (c): For independent variables of gdp_per_capita model.
Variables | VIF | 1/VIF |
|---|---|---|
(a) | ||
Citations | 145.38 | 0.006879 |
Published_Articles | 139.53 | 0.007167 |
Tertiary_Enrollment | 9.90 | 0.100999 |
Patent_Rights | 9.42 | 0.106195 |
Funding_Per_Tertiary_Student | 8.62 | 0.115955 |
Tertiary_Funding | 5.40 | 0.185269 |
Bandwidth | 3.74 | 0.267553 |
Internet_Users | 2.37 | 0.422538 |
Mean VIF | 40.54 | Â |
(b) | ||
Tertiary_Enrollment | 8.50 | 0.117650 |
Patent_Rights | 8.38 | 0.119317 |
Funding_Per_Tertiary_Student | 7.55 | 0.132499 |
Tertiary_Funding | 4.89 | 0.204549 |
Bandwidth | 3.50 | 0.285790 |
Internet_Users | 1.80 | 0.555148 |
Published_Articles | 1.73 | 0.579425 |
Mean VIF | 5.19 | Â |
(c) | ||
Research | 1.78 | 0.560323 |
Innovation | 1.78 | 0.422538 |
Mean VIF | 1.78 | Â |