{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{longtable}{l*{3}{c}}
\caption{Converging to convergence. Absolute convergence 1960-2017 \label{tab:absolute}}\\
\hline\hline\endfirsthead\hline\endhead\hline\endfoot\endlastfoot
                &\multicolumn{3}{c}{Average annual growth in next decade}\\
                &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         \\
\hline
log(GDPpc)      &   -0.270\sym{**} &    0.449\sym{**} &                  \\
                &  [0.118]         &  [0.224]         &                  \\
log(GDPpc) * (Year-1960)&                  &   -0.025\sym{***}&                  \\
                &                  &  [0.006]         &                  \\
log(GDPpc) * 1960s&                  &                  &    0.532\sym{***}\\
                &                  &                  &  [0.191]         \\
log(GDPpc) * 1970s&                  &                  &   -0.075         \\
                &                  &                  &  [0.293]         \\
log(GDPpc) * 1980s&                  &                  &    0.106         \\
                &                  &                  &  [0.246]         \\
log(GDPpc) * 1990s&                  &                  &   -0.127         \\
                &                  &                  &  [0.221]         \\
log(GDPpc) * 2000s&                  &                  &   -0.651\sym{***}\\
                &                  &                  &  [0.168]         \\
log(GDPpc) * 2007s&                  &                  &   -0.764\sym{***}\\
                &                  &                  &  [0.146]         \\
\hline
Year FE         &        Y         &        Y         &        Y         \\
Observations    &      863         &      863         &      863         \\
\hline\hline
\end{longtable}
}
