Table 4 Descriptive statistics of selected variables in Penn World Table 10.0
From: Enhancing data envelopment analysis: a comprehensive calibration with random forests
Variables | Description | Mean | Std. Dev. | Min | Median | Max |
|---|---|---|---|---|---|---|
Input | ||||||
Capital | Capital stock* | 3844.37 | 9791.10 | 2.87 | 802.87 | 101544.17 |
HR | Number of persons engaged (in millions) | 28.49 | 95.75 | 0.14 | 5.01 | 798.81 |
EduYears | Average years of schooling in population over 25 years old | 9.14 | 2.86 | 1.50 | 9.34 | 15.80 |
Output | ||||||
rGDP | Output-side real GDP** | 911.25 | 2387.56 | 4.77 | 207.62 | 20595.84 |
Environmental | ||||||
OECD | NonOECD | |||||
OECD | OECD countries/regions | 37 | 44 | |||
1990 | 2000 | 2010 | 2019 | |||
Time | Time period | 81 | 81 | 81 | 81 |