1% generated by tables/make_tables.py from ./results/econometrics/breaks.csv2\begin{longtable}{lrrrrrrrr}3\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}\\4\toprule5\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} \\6\midrule7\endfirsthead8\toprule9\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} \\10\midrule11\endhead12total & -0.010 & 0.685 & 0.011 & 0.000 & 0.969 & 0.015 & 2022-04-01 & 2023-05;2024-12 \\13cat\_ai\_accelerators & -0.113 & 0.027 & 0.018 & 0.000 & 0.477 & 0.169 & 2024-11-01 & 2023-04;2025-01 \\14cat\_ai\_agents & -0.210 & 0.028 & 0.040 & 0.000 & 0.631 & 0.400 & 2022-07-01;2024-07-01 & 2023-12;2025-08 \\15cat\_ai\_safety & -0.206 & 0.002 & 0.016 & 0.000 & 0.446 & 0.308 & 2021-06-01;2022-09-01 & 2020-02;2024-02 \\16cat\_algorithms & -0.045 & 0.039 & 0.010 & 0.000 & 0.508 & 0.062 & 2023-04-01 & 2023-08;2025-08 \\17cat\_applied\_cryptography & 0.002 & 0.922 & 0.013 & 0.000 & 1.000 & 0.046 & 2022-07-01 & 2022-11;2024-12 \\18cat\_autonomous\_scientific\_discovery & -0.155 & 0.038 & 0.011 & 0.000 & 0.538 & 0.431 & 2020-02-01;2022-06-01;2024-07-01 & 2020-02;2023-12 \\19cat\_blockchain & -0.008 & 0.858 & -0.002 & 0.200 & 0.938 & 0.508 & 2020-04-01 & 2019-02;2022-12 \\20cat\_cloud\_computing & 0.003 & 0.936 & 0.019 & 0.000 & 0.985 & 0.231 & 2022-11-01;2025-01-01 & 2025-01 \\21cat\_compilers & -0.028 & 0.471 & 0.018 & 0.000 & 0.892 & 0.215 & 2023-04-01 & 2023-10;2025-10 \\22cat\_computational\_biology & -0.116 & 0.000 & 0.005 & 0.000 & 0.292 & 0.308 & 2020-02-01;2023-12-01 & 2020-02;2023-12 \\23cat\_computational\_complexity & -0.068 & 0.000 & 0.014 & 0.000 & 0.354 & 0.062 & 2023-04-01 & 2023-10;2025-01 \\24cat\_computer\_architecture & -0.009 & 0.771 & 0.016 & 0.000 & 0.954 & 0.062 & 2023-05-01 & 2025-01 \\25cat\_computer\_graphics & 0.043 & 0.090 & 0.014 & 0.000 & 0.846 & 0.185 & 2022-08-01;2024-07-01 & 2023-02;2024-12 \\26cat\_computer\_networks & 0.043 & 0.021 & 0.009 & 0.000 & 0.538 & 0.200 & 2022-02-01 & 2023-05;2024-12 \\27cat\_computer\_vision & 0.024 & 0.305 & 0.007 & 0.000 & 0.831 & 0.169 & 2022-04-01 & 2020-12;2023-12 \\28cat\_cybersecurity & -0.021 & 0.408 & 0.015 & 0.000 & 0.923 & 0.062 & 2022-07-01 & 2022-11;2024-12 \\29cat\_database\_systems & -0.013 & 0.615 & 0.014 & 0.000 & 0.954 & 0.092 & 2023-11-01 & 2023-11;2025-01 \\30cat\_deep\_learning\_architectures & -0.071 & 0.126 & -0.002 & 0.136 & 0.400 & 0.708 & 2021-07-01 & 2020-02;2023-12 \\31cat\_distributed\_computing & -0.034 & 0.282 & 0.020 & 0.000 & 0.877 & 0.077 & 2022-07-01;2024-07-01 & 2023-10;2025-01 \\32cat\_edge\_computing & -0.044 & 0.139 & 0.004 & 0.006 & 0.600 & 0.077 & 2025-01-01 & 2020-06;2023-12 \\33cat\_federated\_learning & -0.126 & 0.007 & -0.006 & 0.001 & 0.246 & 0.385 & 2020-02-01 & 2020-02;2023-05 \\34cat\_formal\_verification & -0.109 & 0.029 & 0.018 & 0.000 & 0.415 & 0.246 & 2022-02-01;2024-07-01 & 2024-03;2025-09 \\35cat\_foundation\_models & -0.075 & 0.340 & 0.006 & 0.021 & 0.692 & 0.246 & 2021-10-01 & 2020-02;2023-10 \\36cat\_generative\_ai & 0.036 & 0.556 & 0.019 & 0.000 & 0.969 & 0.308 & 2021-11-01 & 2020-12;2023-12 \\37cat\_hci & 0.049 & 0.027 & 0.015 & 0.000 & 0.877 & 0.154 & 2022-11-01 & 2023-12 \\38cat\_information\_retrieval & -0.094 & 0.019 & 0.023 & 0.000 & 0.585 & 0.092 & 2022-07-01;2024-07-01 & 2023-02;2024-12 \\39cat\_llm & 0.106 & 0.075 & 0.034 & 0.000 & 0.938 & 0.200 & 2022-07-01 & 2023-10 \\40cat\_ml\_theory & -0.080 & 0.090 & 0.009 & 0.000 & 0.662 & 0.215 & 2020-05-01;2022-07-01 & 2020-02;2023-12 \\41cat\_multimodal\_ai & 0.025 & 0.600 & 0.024 & 0.000 & 0.969 & 0.200 & 2022-04-01 & 2020-12;2023-12 \\42cat\_nlp & 0.016 & 0.694 & 0.018 & 0.000 & 0.969 & 0.154 & 2022-07-01 & 2023-10 \\43cat\_operating\_systems & -0.033 & 0.417 & 0.016 & 0.000 & 0.846 & 0.477 & 2023-09-01 & 2024-11;2026-01 \\44cat\_privacy\_preserving\_computation & -0.001 & 0.965 & 0.012 & 0.000 & 0.985 & 0.138 & 2022-07-01 & 2020-12;2023-12 \\45cat\_programming\_languages & -0.040 & 0.381 & 0.012 & 0.000 & 0.662 & 0.431 & 2022-04-01;2024-06-01 & 2023-10;2025-10 \\46cat\_quantum\_computing & -0.087 & 0.039 & 0.018 & 0.000 & 0.738 & 0.169 & 2022-01-01;2025-04-01 & 2023-05;2025-04 \\47cat\_reinforcement\_learning & -0.164 & 0.013 & 0.012 & 0.000 & 0.615 & 0.385 & 2021-07-01;2024-12-01 & 2021-01;2024-12 \\48cat\_robotics & 0.012 & 0.660 & 0.005 & 0.000 & 0.908 & 0.108 & 2021-10-01 & 2020-09;2023-12 \\49cat\_scientific\_computing & -0.047 & 0.054 & 0.007 & 0.000 & 0.523 & 0.154 & 2025-01-01 & 2020-09;2024-01 \\50cat\_software\_engineering & 0.048 & 0.124 & 0.016 & 0.000 & 0.862 & 0.154 & 2022-07-01 & 2023-03;2025-01 \\51cat\_speech\_audio & 0.036 & 0.354 & 0.012 & 0.000 & 0.815 & 0.169 & 2023-05-01 & 2023-05;2025-12 \\52cat\_sustainable\_computing & 0.049 & 0.048 & 0.016 & 0.000 & 0.754 & 0.169 & 2022-07-01 & 2022-11;2024-12 \\53\bottomrule54\end{longtable}55