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.

From: Unleashing the potential: a quest to understand and examine the factors enriching research and innovation productivities of South Asian universities

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

 

(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

 

(c)

Research

1.78

0.560323

Innovation

1.78

0.422538

Mean VIF

1.78

 
  1. Source: Researcher’s calculation.