% generated by tables/make_tables.py from ./results/econometrics/breaks.csv
\begin{table}[htbp]\centering\caption{Structural-change estimates by series: ITS level and slope changes at 2022-12 (HAC p-values), placebo p-values, Bai–Perron (BIC) and PELT break dates.}\label{tab:breaks}
\begin{threeparttable}\small
\begin{tabular}{lrrrrrrrr}
\toprule
\textbf{series} & \textbf{chatgpt\_level} & \textbf{chatgpt\_level\_p} & \textbf{chatgpt\_slope} & \textbf{chatgpt\_slope\_p} & \textbf{placebo\_level\_p} & \textbf{placebo\_slope\_p} & \textbf{bp\_breaks\_bic} & \textbf{pelt} \\
\midrule
total & -0.009 & 0.690 & 0.011 & 0.000 & 0.969 & 0.015 & 2022-04-01 & 2023-05;2024-12 \\
\bottomrule
\end{tabular}
\end{threeparttable}\end{table}