{
 "labelling": "rule",
 "holm_family": [
  "H1",
  "H2",
  "H3",
  "H5-T1",
  "H5-T2"
 ],
 "registry": [
  {
   "id": "H1",
   "statement": "Online assortment composition differs across regions beyond what merchant counts imply",
   "primary_statistic": "Cramér's V (M) = 0.105, store-reshuffle p = 0.0005; (T) V = 0.159, p = 0.492; (L) p = 0.058",
   "p_raw": 0.49225387306346824,
   "p_holm": 0.9434166539280238,
   "status": "partially supported",
   "note": "Preregistered criterion required p < 0.05 under both merchant-equal and trimmed-listing weights; met for merchant-equal only. Specialization is a property of the merchant population, not of listing volumes."
  },
  {
   "id": "H2",
   "statement": "Regional diversity is associated with regional scale",
   "primary_statistic": "Spearman rho(rarefied entropy, log population) = -0.20, 95% CI [-0.62; 0.34], n = 16",
   "p_raw": 0.4717083269640119,
   "p_holm": 0.9434166539280238,
   "status": "inconclusive",
   "note": "CI includes zero and economically meaningful values in both directions; n = 16 regions. No association with business counts or density either (see table)."
  },
  {
   "id": "H3",
   "statement": "Merchant catalogue sizes are highly skewed",
   "primary_statistic": "Gini = 0.849 [0.811; 0.878]; top-10% share = 0.789 [0.730; 0.836]",
   "p_raw": null,
   "p_holm": null,
   "status": "supported",
   "note": "Both preregistered thresholds (Gini >= 0.70, top-10% >= 0.50) exceeded with CIs entirely above them; power-law tail favoured over log-normal on the tail."
  },
  {
   "id": "H4",
   "statement": "Related diversification (exploratory)",
   "primary_statistic": "LPM density coefficient 0.111 (SE 0.050), placebo p = 0.010; 149 entries; 11 region-level entries",
   "p_raw": null,
   "p_holm": null,
   "status": "exploratory: consistent with relatedness at the store level; region level untestable",
   "note": "Fewer than 10 region-level entries (preregistered untestability rule); store-level association over 5 weeks, no causal claim."
  },
  {
   "id": "H5-T1",
   "statement": "Matched-product prices are geographically structured",
   "primary_statistic": "Wald(14) = 164.4, wild-cluster-bootstrap p = 0.0045; 1064 groups, 143 stores, 9 regions with >= 5 stores",
   "p_raw": 0.0045,
   "p_holm": 0.013499999999999998,
   "status": "supported",
   "note": "Region effects identified only through groups spanning regions; posted prices, no shipping/taxes."
  },
  {
   "id": "H5-T2",
   "statement": "Matched-product prices are competitively structured (reseller vs producer)",
   "primary_statistic": "reseller coefficient -0.116 (SE 0.026), wild-bootstrap p = 0.0012",
   "p_raw": 0.0012,
   "p_holm": 0.0048,
   "status": "supported",
   "note": "Resellers/collectives post lower prices than producers for the same product."
  },
  {
   "id": "H6",
   "statement": "Local-origin price premium",
   "primary_statistic": "not estimated",
   "p_raw": null,
   "p_holm": null,
   "status": "untestable (declared ex ante)",
   "note": "No product-level provenance; a store-certification contrast is reported descriptively and is not H6."
  },
  {
   "id": "H7",
   "statement": "Validated digital-assortment complexity indicator",
   "primary_statistic": "ECI bootstrap rank stability median rho = 0.20 (criterion 0.8); lambda2 null p = 0.41; LOO predictive rho = 0.39",
   "p_raw": null,
   "p_holm": null,
   "status": "not validated: ECI unstable at 17 x 20; omitted from QDACI",
   "note": "Fitness and plain diversity are more stable but still below the criterion; the region-category matrix is not more nested than the store-reshuffle null."
  },
  {
   "id": "QDACI",
   "statement": "Composite index",
   "primary_statistic": "median agreement across weightings rho = 0.68 (rule 0.7); bootstrap rank stability 0.50",
   "p_raw": null,
   "p_holm": null,
   "status": "components published; composite withheld",
   "note": "Components describe observed online catalogues of Quebec-based merchants, not production or output. Complexity omitted because the ECI failed the preregistered stability criterion."
  }
 ]
}