R: horizon h=1 & P\_modern\_z & 0.321$^{***}$ & 0.091 & 14635 & 902.00 \\
R: horizon h=3 & P\_modern\_z & 0.380$^{***}$ & 0.087 & 14636 & 1911.00 \\
R: horizon h=10 & P\_modern\_z & 0.448$^{***}$ & 0.099 & 14639 & 4143.00 \\
R: component y4\_f5 & P\_modern\_z & 1.016$^{***}$ & 0.193 & 10279 & 566.00 \\
R: component y5\_f5 & P\_modern\_z & 0.193 & 0.137 & 10853 & 1460.00 \\
R: component y6\_f5 & P\_modern\_z & 0.240$^{**}$ & 0.094 & 14636 & 2068.00 \\
R: K = PC1 & P\_modern\_pc1\_z & 0.391$^{***}$ & 0.090 & 14637 & 2692.00 \\
R: standardized within year & P\_modern\_within\_year\_z & 0.404$^{***}$ & 0.091 & 14637 & 2692.00 \\
R: D = (log pop + log area)/2 & P\_modern\_area\_z & 0.346$^{***}$ & 0.098 & 11735 & 2359.00 \\
R: years $\geq$ 1900 & P\_modern\_z & 0.388$^{***}$ & 0.091 & 13083 & 2475.00 \\
R: polyarchy not controlled & P\_modern\_z & 0.448$^{***}$ & 0.082 & 14676 & 2706.00 \\
R: + persistence control & P\_modern\_z & 0.389$^{***}$ & 0.088 & 14598 & 2682.00 \\