Correlation matrix
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | VIF | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ROA | 1.00 | ||||||||||||||
| 2 | Women on board | −0.03 | 1.00 | 1.04 | ||||||||||||
| 3 | Age board (log) | 0.06 | 0.06 | 1.00 | 1.12 | |||||||||||
| 4 | R&D expenses | −0.09 | −0.01 | −0.01 | 1.00 | 1.03 | ||||||||||
| 5 | Patent expenses | −0.07 | 0.03 | 0.04 | 0.07 | 1.00 | 1.02 | |||||||||
| 6 | Licensing exp. | −0.04 | 0.01 | −0.01 | 0.04 | 0.05 | 1.00 | 1.01 | ||||||||
| 7 | Tangibility | 0.04 | 0.06 | 0.07 | −0.07 | −0.06 | −0.02 | 1.00 | 1.12 | |||||||
| 8 | Cash Holding | 0.03 | 0.02 | −0.13 | −0.11 | −0.06 | −0.03 | −0.19 | 1.00 | 1.09 | ||||||
| 9 | Size | 0.06 | 0.16 | 0.22 | 0.02 | 0.07 | 0.06 | 0.14 | −0.14 | 1.00 | 1.51 | |||||
| 10 | Long term debt | −0.11 | 0.02 | 0.03 | 0.07 | 0.05 | 0.06 | 0.18 | −0.11 | 0.17 | 1.00 | 1.07 | ||||
| 11 | Firm age (log) | 0.16 | 0.10 | 0.30 | −0.02 | 0.01 | 0.01 | 0.15 | −0.12 | 0.50 | 0.06 | 1.00 | 1.44 | |||
| 12 | D. listing | 0.01 | 0.08 | 0.05 | −0.00 | 0.06 | 0.04 | −0.02 | −0.03 | 0.22 | 0.01 | 0.04 | 1.00 | 1.10 | ||
| 13 | D. Delisting | −0.04 | 0.03 | −0.00 | −0.01 | −0.00 | 0.03 | 0.00 | −0.02 | 0.05 | 0.01 | 0.00 | 0.17 | 1.00 | 1.03 | |
| 14 | D. south | 0.09 | −0.06 | −0.03 | 0.04 | −0.02 | −0.01 | 0.12 | −0.02 | −0.03 | 0.03 | 0.04 | −0.07 | −0.02 | 1.00 | 1.03 |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | VIF | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ROA | 1.00 | ||||||||||||||
| 2 | Women on board | −0.03 | 1.00 | 1.04 | ||||||||||||
| 3 | Age board (log) | 0.06 | 0.06 | 1.00 | 1.12 | |||||||||||
| 4 | R&D expenses | −0.09 | −0.01 | −0.01 | 1.00 | 1.03 | ||||||||||
| 5 | Patent expenses | −0.07 | 0.03 | 0.04 | 0.07 | 1.00 | 1.02 | |||||||||
| 6 | Licensing exp. | −0.04 | 0.01 | −0.01 | 0.04 | 0.05 | 1.00 | 1.01 | ||||||||
| 7 | Tangibility | 0.04 | 0.06 | 0.07 | −0.07 | −0.06 | −0.02 | 1.00 | 1.12 | |||||||
| 8 | Cash Holding | 0.03 | 0.02 | −0.13 | −0.11 | −0.06 | −0.03 | −0.19 | 1.00 | 1.09 | ||||||
| 9 | Size | 0.06 | 0.16 | 0.22 | 0.02 | 0.07 | 0.06 | 0.14 | −0.14 | 1.00 | 1.51 | |||||
| 10 | Long term debt | −0.11 | 0.02 | 0.03 | 0.07 | 0.05 | 0.06 | 0.18 | −0.11 | 0.17 | 1.00 | 1.07 | ||||
| 11 | Firm age (log) | 0.16 | 0.10 | 0.30 | −0.02 | 0.01 | 0.01 | 0.15 | −0.12 | 0.50 | 0.06 | 1.00 | 1.44 | |||
| 12 | D. listing | 0.01 | 0.08 | 0.05 | −0.00 | 0.06 | 0.04 | −0.02 | −0.03 | 0.22 | 0.01 | 0.04 | 1.00 | 1.10 | ||
| 13 | D. Delisting | −0.04 | 0.03 | −0.00 | −0.01 | −0.00 | 0.03 | 0.00 | −0.02 | 0.05 | 0.01 | 0.00 | 0.17 | 1.00 | 1.03 | |
| 14 | D. south | 0.09 | −0.06 | −0.03 | 0.04 | −0.02 | −0.01 | 0.12 | −0.02 | −0.03 | 0.03 | 0.04 | −0.07 | −0.02 | 1.00 | 1.03 |
Source(s): Authors' own work
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