1LPM $\beta_P$ with controls & 0.0383 \\2LPM $\beta_P$ without controls & 0.0819 \\3$R^2$ with / without controls & 0.161 / 0.127 \\4Oster bias-adjusted $\beta_P$ ($R_{\max}=1.3R^2$, $\delta=1$) & -0.0238 \\5Partial $R^2$ of $P$ & 0.0056 \\6Cinelli--Hazlett robustness value $RV_{q=1}$ & 0.072 \\7