\begin{tabular}{l*{5}{c}} 
\\[-1.8ex]\hline \hline \\[-1.8ex] 
& \multicolumn{1}{c}{OLS} & 
\multicolumn{1}{c}{Manual} & 
\multicolumn{1}{c}{IV} & 
\multicolumn{1}{c}{FE} & 
\multicolumn{1}{c}{FE-IV} 
\\ \midrule
\midrule
\hspace{0.1cm} CA $(=1)$&       0.565\sym{***}&       3.537\sym{***}&       3.537\sym{***}&       0.522\sym{***}&     223.171         \\
                    &     (0.084)         &     (1.306)         &     (1.368)         &     (0.087)         &  (2137.210)         \\
\midrule
Observations        &        3827         &        3827         &        3827         &        3827         &        3740         \\
R-squared           &       0.210         &       0.204         &      -0.038         &       0.154         &   -1766.371         \\
\hline \hline \\[-1.8ex] 
\multicolumn{6}{p{\linewidth}}{\small 
\noindent \textit{Note}: Dependent var. 
is log maize yield. Standard errors 
clustered at household level in 
parentheses. 
* p$<$0.10, ** p$<$0.05, *** p$<$0.01.} 
\end{tabular}
