1\begin{tabular}{lrrrr}2\toprule3Specification & Regressor & Coef. & SE & N \\4\midrule5car on lfds5 & lfds5 & 0.0001 & (0.0042) & 84,755 \\6car on lfds2 dlfds & lfds2 & -0.0002 & (0.0042) & 84,755 \\7car on lfds2 dlfds & d lfds & 0.0605*** & (0.0209) & 84,755 \\8\bottomrule9\end{tabular}10