\begin{tabular}{lccc}
\toprule
 & (1) & (2) & (3) \\
 & Pooled Poisson & Poisson (firm+yr FE) & Neg. Binomial \\
\midrule
Projects$_{t-1}$ & 0.100*** & 0.028*** & 0.111*** \\
 & (0.004) & (0.005) & (0.005) \\
Cumulative AI$_{t-1}$ & 0.055*** & -0.035 & 0.061*** \\
 & (0.012) & (0.023) & (0.013) \\
Post-COVID (2020+) & 0.208*** &  & 0.209*** \\
 & (0.043) &  & (0.043) \\
Year trend & -0.031*** &  & -0.031*** \\
 & (0.005) &  & (0.005) \\
\midrule
Sector FE & Yes & -- & Yes \\
Firm FE & -- & Yes & -- \\
Year FE & Yes & Yes & Yes \\
Observations & 6,870 & 6,870 & 6,870 \\
Log-likelihood & -14,751 & -13,282 & -13,533 \\
\bottomrule
\end{tabular}