Spearman correlation matrix
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (1) | OVER_LABit | ||||||||||
| (2) | UNDER_LABit 0.845*** | ||||||||||
| (3) | PCBsit | −0.155*** | −0.089*** | ||||||||
| (4) | TOP5it | −0.039*** | −0.078*** | −0.107*** | |||||||
| (5) | LEVit | −0.158*** | −0.163*** | 0.055*** | −0.024 | ||||||
| (6) | ROAit | −0.217*** | −0.164*** | 0.07*** | 0.076*** | −0.296*** | |||||
| (7) | DPRit | −0.228*** | −0.163*** | 0.12*** | 0.032 | −0.139*** | 0.553*** | ||||
| (8) | TANGit | 0.145*** | 0.13*** | −0.078*** | 0.058*** | 0.033 | −0.138*** | −0.082*** | |||
| (9) | OPER_CCit | 0.149*** | 0.137*** | −0.025 | −0.199*** | −0.094*** | −0.129*** | −0.131*** | −0.289*** | ||
| (10) | Qit | −0.148*** | −0.139*** | 0.143*** | 0.071*** | 0.017 | 0.477*** | 0.343*** | −0.062*** | −0.139*** |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (1) | |||||||||||
| (2) | |||||||||||
| (3) | −0.155*** | −0.089*** | |||||||||
| (4) | −0.039*** | −0.078*** | −0.107*** | ||||||||
| (5) | −0.158*** | −0.163*** | 0.055*** | −0.024 | |||||||
| (6) | −0.217*** | −0.164*** | 0.07*** | 0.076*** | −0.296*** | ||||||
| (7) | −0.228*** | −0.163*** | 0.12*** | 0.032 | −0.139*** | 0.553*** | |||||
| (8) | 0.145*** | 0.13*** | −0.078*** | 0.058*** | 0.033 | −0.138*** | −0.082*** | ||||
| (9) | 0.149*** | 0.137*** | −0.025 | −0.199*** | −0.094*** | −0.129*** | −0.131*** | −0.289*** | |||
| (10) | −0.148*** | −0.139*** | 0.143*** | 0.071*** | 0.017 | 0.477*** | 0.343*** | −0.062*** | −0.139*** |
Note(s): All variables are summarized and defined in Appendix. The overall mean (maximum) VIF value is 1.22 (1.61) indicating that there is no multicollinearity issue between variables. *, **, and *** indicate the significance of coefficients at the 10, 5 and 1% levels, respectively
Source(s): Table 3 by authors