| variable name | RD | APP | GRA |
| EPU | −0.085*** (−4.234) | −0.076*** (−4.102) | −0.071*** (−4.015) |
| CV | control | control | control |
| Year and Indus | control | control | control |
| ADJ.R2 | 0.065 | 0.064 | 0.061 |
| Number of observations | 4127 | 4127 | 4127 |