| lnm | |||
| (1) | (2) | (3) | (4) |
epu2 | −0.00186 | −0.0014 | −0.00132 | −0.0014 |
| (−0.76) | (−0.57) | (−0.56) | (−0.62) |
metal | 0.00425 | 0.0199 | 0.0174 | 0.0207 |
| (−0.22) | (−1.08) | (−0.98) | (−1.18) |