\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Summary statistics}
\begin{tabular}{l*{1}{ccc}}
\toprule
                    &\multicolumn{3}{c}{}                  \\
                    &        Mean&          SD&           N\\
\midrule
LLM ruling (direction)&      0.0631&      0.9808&      115612\\
LLM ruling (binary) &      0.5145&      0.4998&      115612\\
LLM reasoning (direction)&     -0.1292&      0.5145&      115612\\
LLM reasoning (binary)&      0.0761&      0.2652&      115612\\
Doc2Vec sentiment (business)&      0.1137&      0.1164&      132552\\
Doc2Vec similarity (business)&      0.0014&      0.0299&      132552\\
Vote against regulator (Labor/EPA)&      0.8940&      0.3079&       23156\\
Father's wealth (0-1 percentile rank)&      0.7637&      0.2583&      133212\\
republican          &      0.5272&      0.4993&      133212\\
female              &      0.0262&      0.1598&      133212\\
BirthYear           &   1902.9428&     27.2077&      133212\\
\midrule
Observations        &      133212&            &            \\
\bottomrule
\multicolumn{4}{l}{\footnotesize Outcomes are non-missing only on their respective analytic samples (115K LLM votes for the text outcomes; 23K Labor/EPA votes for y\_labor\_epa\_lose).}\\
\end{tabular}
\end{table}
