\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Subgroup Effects: Sociocultural Variables \label{tab:ideo}}
\begin{tabular}{l*{2}{c}}
\hline\hline
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}\\
                    &\multicolumn{1}{c}{Base}&\multicolumn{1}{c}{Full}\\
                    &        b/se         &        b/se         \\
\hline
Treatment $\times$ Exports $\times$ Anti-West&     -23.675         &     -25.295         \\
                    &    (12.590)         &    (13.827)         \\
Treatment $\times$ Imports $\times$ Anti-West&       4.059         &       2.428         \\
                    &    (14.485)         &    (14.369)         \\
Treatment $\times$ Non-traded $\times$ Anti-West&      -6.831         &      -8.187         \\
                    &    (14.320)         &    (15.086)         \\
\hline
N                   &        2416         &        2293         \\
r2                  &       0.075         &       0.096         \\
\hline\hline
\multicolumn{3}{l}{\footnotesize \sym{*} \(p<0.05\), \sym{**} \(p<0.01\), \sym{***} \(p<0.001\)}\\
\end{tabular}
\end{table}
