\begin{tabular}{lccc}
\toprule
 & (1) & (2) & (3) \\ 
 & Secondary Market & Central Market& Diff.: p-value \\
\midrule
Competition & 0.13     & 0.13     & 0.48 \\ 
 & (0.14) & (0.15) & \\ 
 \addlinespace
Number of farmers & 353.90   & 778.14   & 0.00 \\ 
 & (383.54) & (711.57) & \\ 
 \addlinespace
Number of traders & 26.87    & 53.20    & 0.00 \\ 
 & (28.45) & (74.70) & \\ 
\bottomrule
\end{tabular}
