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1% Auto-generated by scripts/18_revision_language_leakage_spatial.py (2026-10-17)2\begin{table}[htbp]3 \centering4 \begin{threeparttable}5 \caption{Robustness of the AI-Derived Implicit Prices (Model~A)}6 \label{tab:rob_ai_coefs}7 \footnotesize8 \setlength{\tabcolsep}{4pt}9 \begin{tabular}{@{}lccccc@{}}10 \toprule11 & (1) & (2) & (3) & (4) & (5) \\12 & Baseline & $+$Language & RTA FE & Realtor.ca only & Cluster bootstrap \\13 & & & $+$Language & RTA FE $+$Lang. & 95\% CI \\14 \midrule15 Curb appeal (1--10) & 0.023$^{***}$ & 0.022$^{**}$ & 0.016$^{***}$ & 0.021$^{**}$ & [$0.001$, $0.035$] \\16 & (0.009) & (0.009) & (0.006) & (0.010) & \\[2pt]17 Renovation level (ord.) & 0.024$^{**}$ & 0.024$^{***}$ & 0.029$^{***}$ & 0.041$^{**}$ & [$0.010$, $0.046$] \\18 & (0.010) & (0.009) & (0.009) & (0.018) & \\[2pt]19 Luxury (visual) & 0.051$^{***}$ & 0.051$^{***}$ & 0.045$^{***}$ & 0.042$^{***}$ & [$0.019$, $0.066$] \\20 & (0.012) & (0.012) & (0.010) & (0.015) & \\[2pt]21 Garage visible & 0.046$^{***}$ & 0.046$^{***}$ & 0.037$^{***}$ & 0.041$^{***}$ & [$0.029$, $0.055$] \\22 & (0.006) & (0.006) & (0.006) & (0.009) & \\[2pt]23 Brick façade & 0.033$^{***}$ & 0.032$^{***}$ & 0.031$^{***}$ & 0.024 & [$0.001$, $0.044$] \\24 & (0.009) & (0.009) & (0.010) & (0.017) & \\[2pt]25 Stone façade & 0.036$^{***}$ & 0.037$^{***}$ & 0.037$^{***}$ & 0.030$^{***}$ & [$0.022$, $0.049$] \\26 & (0.008) & (0.008) & (0.009) & (0.010) & \\[2pt]27 Vinyl façade & $-$0.045$^{***}$ & $-$0.044$^{***}$ & $-$0.047$^{***}$ & $-$0.051$^{**}$ & [$-0.067$, $-0.007$] \\28 & (0.015) & (0.015) & (0.018) & (0.021) & \\[2pt]29 Rural setting & $-$0.122$^{***}$ & $-$0.120$^{***}$ & $-$0.122$^{***}$ & $-$0.119 & [$-0.176$, $-0.029$] \\30 & (0.032) & (0.033) & (0.042) & (0.087) & \\[2pt]31 Landscaping (ord.) & 0.015$^{**}$ & 0.015$^{**}$ & 0.013$^{**}$ & 0.027$^{***}$ & [$-0.000$, $0.025$] \\32 & (0.006) & (0.006) & (0.006) & (0.007) & \\[2pt]33 Condition (LLM, ord.) & 0.016$^{***}$ & 0.017$^{***}$ & 0.015$^{***}$ & 0.012 & [$0.002$, $0.024$] \\34 & (0.006) & (0.006) & (0.005) & (0.009) & \\[2pt]35 Reno.\ kitchen (LLM) & 0.026$^{***}$ & 0.025$^{***}$ & 0.019$^{**}$ & 0.030$^{**}$ & [$0.010$, $0.039$] \\36 & (0.007) & (0.007) & (0.009) & (0.012) & \\[2pt]37 Hardwood floor (LLM) & 0.024$^{**}$ & 0.026$^{***}$ & 0.016$^{**}$ & $-$0.001 & [$-0.003$, $0.036$] \\38 & (0.009) & (0.009) & (0.007) & (0.013) & \\[2pt]39 English description & & 0.070$^{***}$ & 0.090$^{***}$ & 0.082$^{**}$ & \\40 & & (0.011) & (0.034) & (0.042) & \\[2pt]41 Mixed-language description & & 0.045$^{***}$ & 0.067$^{**}$ & 0.181$^{***}$ & \\42 & & (0.011) & (0.030) & (0.042) & \\[2pt]43 \midrule44 Fixed effects & Municipality & Municipality & RTA & RTA & Municipality \\45 Observations & 9{,}446 & 9{,}446 & 9{,}446 & 5{,}781 & 9{,}446 \\46 $R^2$ & 0.755 & 0.757 & 0.764 & 0.802 & \\47 \bottomrule48 \end{tabular}49 \begin{tablenotes}[flushleft]50 \footnotesize51 \item \textit{Notes:} OLS estimates of Equation~\eqref{eq:hedonic} on the measured-area subsample with the full52 control set (coefficients of the controls not shown). Column~(1) is the baseline of Table~\ref{tab:regression}.53 Column~(2) adds indicators for English and mixed-language descriptions and the description length (thousands of54 characters). Column~(3) replaces the 195 municipality fixed effects by 250 forward-sortation-area (RTA) fixed55 effects (RTAs with at least 20 listings; the remainder pooled). Column~(4) restricts the sample to Realtor.ca56 listings, whose descriptions never contain the asking price. Standard errors in parentheses are clustered at the57 level of the fixed effects. Column~(5) reports the 2.5th and 97.5th percentiles of a pairs cluster bootstrap58 (299 replications, resampling the 195 municipalities with replacement) for the baseline59 specification. $^{***}$, $^{**}$, $^{*}$: significance at 1\%, 5\%, 10\%.60 \end{tablenotes}61 \end{threeparttable}62\end{table}63