Table 2 Dependent, independent variables, and descriptive statistics
From: The impact of graduate students on research productivity in Korea
Category | Index | Definition and measurement | Average (standard deviation) |
|---|---|---|---|
Dependent Variable | Pub_1 | KCI-Level Research Outcomes | 0.4238119(0.4941678) |
Pub_2 | SCI-Level Research Outcomes | 0.1497811(0.3568614) | |
Independent Variable | Graduate Students | Number of Graduate Students | Â |
Control Variable | Gender | 1 = Dummy of Females |  |
Grant_gov | Natural Logarithm of Government’s grants to research cost |  | |
Grant_pri | Natural Logarithm of the size of private grants to research cost | Â | |
Grant_inner | Natural Logarithm of the size of inner grants to research cost | Â | |
Age | Age | Â | |
Age2 | Age Squared | Â | |
Nation | Dummy of Institution Trained | Â | |
NU | Dummy of National/Public Universities | Â | |
Region | Regional Dummy Variable | Â | |
Cur | Dummy of Classification of disciplines | Â |