\begin{table}[!htb]
\caption{\textsc{Asymmetric Effects of Monetary Policy and Business Cycle}}
\label{tab:example}
\centering
\setstretch{1.1}
\footnotesize
\begin{threeparttable}
\begin{tabularx}{0.98\linewidth}{|l|YYYYYYYY}
\hline 
 & \beta^{+}_{Baseline} & \beta^{+} &  \gamma^{+,+}    &  \gamma^{+,-} &  \beta^{-}_{Baseline}   &  \beta^{-} &  \gamma^{-,+}    &  \gamma^{-,-} \\ 
Inv ratio & -0.66***  & -0.63*** & 0.23 & 1.11 & 0.13 & 0.01 & 0.65 & -1.11 \\
\hline 
   &  (0.20) &  (0.22) & (1.23) & (0.85) & (0.16) & (0.21 ) & (2.10)  & (0.81) \\
\hline 
\end{tabularx}
\hline 
\end{threeparttable}
\end{table}