1\begin{table}[htbp]\centering\footnotesize2\caption{H1 --- Region $\times$ category dependence against the store-reshuffle null}\label{tab:h1}3\begin{adjustbox}{max width=\textwidth}4\begin{tabular}{lrrrrrrrr}\toprule5Sample / variant & Weights & Stores & Regions & Cramér's $V$ & Null mean & Null p95 & $p$ (perm.) & Cells RAA$>1$/$<1$ \\\midrule6S\_R & M & 1\,331 & 17 & 0.112 & 0.086 & 0.093 & 0.0005 & 12/66 \\7S\_R & L & 1\,331 & 17 & 0.321 & 0.299 & 0.342 & 0.1989 & 6/63 \\8S\_R & T & 1\,331 & 17 & 0.191 & 0.189 & 0.215 & 0.4293 & 7/73 \\9S\_R0 & M & 1\,214 & 17 & 0.120 & 0.090 & 0.097 & 0.0005 & 12/74 \\10S\_R0 & L & 1\,214 & 17 & 0.317 & 0.272 & 0.311 & 0.0240 & 5/61 \\11S\_R0 & T & 1\,214 & 17 & 0.207 & 0.197 & 0.224 & 0.2489 & 8/66 \\12S\_Rpip & M & 1\,331 & 16 & 0.116 & 0.086 & 0.092 & 0.0005 & 10/70 \\13S\_Rpip & L & 1\,331 & 16 & 0.348 & 0.304 & 0.349 & 0.0580 & 12/65 \\14S\_Rpip & T & 1\,331 & 16 & 0.204 & 0.192 & 0.220 & 0.2024 & 9/72 \\15S\_R & stores & 1\,331 & 17 & 0.056 & 0.045 & 0.048 & 0.0005 & 16/22 \\16S\_R0\_platform\_label\_only & M & 1\,214 & 17 & 0.120 & 0.090 & & 0.001 & \\17pip\_first\_regions & M & 1\,331 & 16 & 0.116 & 0.086 & & 0.001 & \\18province\_wide\_sources\_only & M & 1\,012 & 17 & 0.119 & 0.098 & & 0.001 & \\19cert\_assoc\_sources\_only & M & 1\,068 & 17 & 0.117 & 0.095 & & 0.001 & \\20excl\_Montreal & M & 1\,094 & 16 & 0.106 & 0.094 & & 0.012 & \\21excl\_top1pct\_stores & M & 1\,318 & 17 & 0.112 & 0.086 & & 0.001 & \\22macro8\_categories & M & 1\,331 & 17 & 0.112 & 0.082 & & 0.001 & \\23drop\_autre & M & 1\,306 & 17 & 0.110 & 0.085 & & 0.001 & \\24excl\_resellers\_collectives & M & 1\,306 & 17 & 0.112 & 0.087 & & 0.001 & \\25excl\_region\_conflicts & M & 1\,207 & 16 & 0.117 & 0.090 & & 0.001 & \\26excl\_straddling\_fsa\_stores & M & 924 & 17 & 0.123 & 0.102 & & 0.001 & \\27\bottomrule\end{tabular}28\end{adjustbox}29\begin{minipage}{0.95\textwidth}\vspace{2pt}\footnotesize\textit{Notes:} $V$ = Cramér's $V$ of the region $\times$ category table of listing weights (L = one per listing; M = merchant-equal, each store sums to one; T = listings after dropping the 1\% largest stores; `stores' = count of stores present in the category). Null = 2\,000 permutations of region labels across stores (each region keeps its number of stores, each store keeps its catalogue); $p$ is one-sided. Last column: number of the $R\times C$ cells whose store-bootstrap 95\% interval for RAA lies entirely above / below 1. Variants from the preregistered robustness list (1\,000 permutations).\end{minipage}30\end{table}31