UQO Working Paper No. 3 — Hedonic housing price models for the US: parametric, quantile, and machine-learning approaches.
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Wed, Nov 4, 2026 24
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Stage G: final build of the revised manuscript (89 pages)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Stage F B1/B2 + N1..N14
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Verification sign-off (Agent 11) corrections, numbers through macros/generators only. B1 SHAP rho macros renamed to the defined keys (d_shap_rho_xgb_lgb/_xgb_rf/_lgb_rf) + tests/test_inline_numbers.py (every \inum key used is defined, every numeric macro renders a number, committed inline_numbers.tex not stale). B2 make_inline_numbers.py: float() before round(), d() coerces numpy scalars, render guard rejects object representations (no np.float64 in the PDF). N1 one rounding rule: inline_numbers.json stores raw + digits, formatted macros/derived/README round once from raw (prose = tables: 0.637, 17.6, 0.767, 0.622, 0.523, 0.706, 0.8). N2 feasible correction on its own seed-42 baseline (0.635; share 82 -> 83 %), stated in 5.7.1. N3 trees-curve column "LOSO (mean of 51 state R2)" + legend/caption. N4 r2_ols_random_test_v12 refreshed via 10_stored_checks.py. N5 README written entirely by 08::t_readme. N6 title-page commit convention. N7 "monotonically"/"nothing out of state"/"under every rule" softened to the numbers. N8 SHAP beeswarm tercile markers. N9 cluster_se note -> tab:ols_results, 3.743 -> 3.7, \inumsci for the condition number. N10 eq:moran/iqr_test/mdape/within referenced. N11 abstract 149 words. N12 style flags removed, p. 66 widow gone. N13 run_meta.json restored from the M4BP48 log (5.67 h) with the re-run kept under previous_runs; 05 script no longer overwrites. N14 tab:contributions. Build: 89 pages, 0 errors, 0 undefined, 0 overfull > 5 pt, 0 float too large; 18 tests pass. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03 Stage E (exhibits): paper/main.pdf and inline_numbers.tex rebuilt on af4bac9 (83 pages, 0 errors, 0 undefined, 0 overfull > 5 pt, 0 float too large)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03 Stage E (exhibits): every table as a self-contained siunitx/threeparttable float (43 fragments, 36 inserted), 13 vector figures in one Okabe-Ito design system with float wrappers, generator rewritten (08 + 08b + src/wp3/exhibits.py), README tables generated from inline numbers, wrapper blocks replaced by single \input lines (EDIT-13, DATA-04, ADVE-09/11/13, ECON-11/12, THEO-07, EDIT-10 corrigenda table)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03 Stage E (writing): wording of the legacy QR reproduction statement; main.pdf rebuilt
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03 Stage E (writing): legacy QR reproduction stated from qr_legacy_check.csv (median |diff|, max excluding parking), duplicates at four decimals; paper/main.pdf rebuilt (78 pages, 0 errors, 0 overfull) (DATA-07, THEO-15)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03 Stage E (writing): appendix labels typeset as Appendix by cleveref
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03 Stage E (writing): abstract trimmed to 150 words, LOSO level-correction values at three decimals (ADVE-20, EDIT-14)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03 Stage E (writing): introduction and related literature rewritten on the Stage D evidence — design-dependent gap with intervals, level/within decomposition, feasible level correction, three closest papers (Deppner-Cajias, Kolbe et al., Rico-Juan-Taltavull), spatial-CV ancestors, SHAP-in-housing, Pivo/Hu qualified (EDIT-01, EDIT-03, EDIT-11, ADVE-19, ADVE-20, LITE-01..06, LITE-09, LITE-10, THEO-01, THEO-02, THEO-16); derived inline macros
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03 Stage E (writing): references.bib — Holm (1979) carries the JSTOR URL, not an unresolvable DOI
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03 Stage E (writing): references.bib — literature referee's repairs (LITE-07) and 21 DOI-resolved additions: closest competitors (Deppner-Cajias 2024, Kolbe et al. 2021, Rico-Juan-Taltavull 2021), spatial-CV ancestors, SHAP-in-housing, Nolte et al. 2024, wild-bootstrap/multiplicity references (LITE-01..06, ECON-02, ADVE-05)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-EDIT-02/ADVE-21/DATA-03/DATA-04/EDIT-13/EDIT-08: batch N2 primary models (M4BP48, 3.6 min), v2 Moran/paired on the N2 predictions, 37 v2 table fragments, 4 figures, inline_numbers.json (862 entries), 15 tests green
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- v2 random split (trimmed): OLS 0.6456, state FE 0.6903, ZIP3 FE 0.7619, Ridge/Lasso/ENet = OLS (CV alphas ~0), RF (re-specified) 0.8001, LightGBM 0.8099 +- 0.0002, XGBoost 0.8328 +- 0.0004 (5 seeds); dollar metrics for all - TreeSHAP on 9,937 stored explanation rows: top 3 ln sqft / bathrooms / avg school rating; Spearman rho xgb-lgb 0.987, xgb-rf 0.905, lgb-rf 0.912 (RF via the Saabas approximation) - Moran on the v2 test residuals: OLS 0.471, LGB 0.288, XGB 0.236 (k = 8); paired OLS-XGB loss diff 0.1216 (ZIP3 SE 0.0063) Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-EDIT-06/ECON-06/DATA-08: v2 figures (gap by design, LOSO OLS vs XGB, trees curve with seed bands), seed-dispersion flags; node lock with shap 0.54.1
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-EDIT-02/ADVE-21: RF SHAP uses the Saabas approximation (exact TreeSHAP on 500 unpruned trees is intractable); flushed logging
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-EDIT-03/THEO-04/ADVE-21: factorial ablation (15 specs x 2 designs x 5 seeds) and re-specified RF under ten-state (M4BP48)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-ADVE-17/EDIT-01/THEO-03/THEO-01/THEO-02/ECON-05/EDIT-14/THEO-12/ADVE-22/THEO-14/EDIT-13/THEO-15: geo inference from the OOF predictions (laptop, 7 min)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-ADVE-16: 05_geo_designs keeps trees_curves.csv on a cached --resume run
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-EDIT-03/THEO-04: ablation full-model specs exclude the auxiliary state/lat-lon columns (6_* rows re-run); RF skipped when cached
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-EDIT-01/ADVE-01/ADVE-02/ADVE-03/ADVE-04/ADVE-16/ECON-01/ECON-06/EDIT-06/THEO-03/THEO-13/THEO-11: batch N1 metrics (M4BP48, 5 h)
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OLS vs XGBoost (nested rounds) pooled out-of-fold R2 on the v2 design: random 0.646 vs 0.833; ZIP5-blocked 0.647 vs 0.815; ZIP3-blocked 0.635 vs 0.767; GroupKFold by state 0.580 vs 0.628; LOSO 0.573 vs 0.637; ten-state 0.541 vs 0.515 (XGB 1,000 rounds 0.425 reproduces v1.2; LightGBM nested 0.565). THEO-11: 1,856 held-out listings with |error| > 2 under the v1.1 OLS (not 204), carrying ~100% of the SSE; R2 = -1,955,902.5 reproduced. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-ADVE-06/DATA-07/THEO-09/ECON-03/ECON-08/EDIT-08: quantile regressions on the corrected design (laptop, 3.4 h)
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- 5 tau fits on the trimmed v2 design (150,000-listing subsample), all converged; parking coefficient of ordinary magnitude (|beta| <= 0.03 vs 691/317/-98/-527 in v1.2); pseudo-R2 0.429/0.415/0.413/0.435/0.472 - legacy check: the v1.1 QR coefficients reproduce to 1e-5 (62 of 63); the stored 'pseudo-R2' row equals 1 - R1(tau) - paired obs + ZIP3 bootstrap, 999 draws each, all converged: of 14 inter-quantile differences, 13 independent, 10 normal-approx., 10 percentile CI, 8 Holm, 10 BH, 8 Romano-Wolf; cluster-bootstrap SEs for tau 0.10/0.90 Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Tue, Nov 3, 2026 8
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R03-ADVE-06: QR legacy check records that the stored pseudo-R2 equals 1 - R1(tau)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-DATA-08: environment of node M4BP48 (lock, hardware); DAS days-on-Zillow IQR (raw vs sample)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-ADVE-08/ECON-02/THEO-06/ECON-04/THEO-05/EDIT-07/ADVE-14/ECON-07/EDIT-09/DATA-03/DATA-04: wild bootstrap, state regressions with SEs, full-sample Moran, Conley HAC; table generator, run_all.sh, test_tables
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- wild cluster bootstrap by state (B = 9,999): 23 of 63 slopes at 5% (Webb and Rademacher), 9 after Holm - state-by-state OLS with ZIP3-cluster SEs: reversals with |t| > 2 are 0-12 per variable (v1.2: 19-23 by sign only); homogeneity rejected for every variable; EB shrinkage bands; fully interacted +6.1 pp over state FE (0.752 vs 0.690) - Moran's I on the full random test set (157,769 listings, k = 8): OLS 0.454, LightGBM 0.288, XGBoost 0.234; distance bands 0-1 / 1-5 / 5-25 km; Conley HAC 25/50/100 km on 100,000 listings (between HC0 and state-cluster SEs) - scripts/08_tables_figures_v2.py: every table as a v2_*.tex fragment + figures + inline_numbers.json (re-runnable as batches complete); run_all.sh entry point; tests/test_tables.py Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-DATA-06/EDIT-04/ADVE-05/ADVE-12/ECON-10/THEO-08/EDIT-02/ECON-08/ADVE-17: inference v2 (fast steps) and geo-inference script
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- 06_inference_v2.py: zpid/split assertions pass; v2 OLS cluster SEs: 33 of 63 slopes |t|>1.96 under state clustering (t(50): 33; Holm 17; BH 26), CSS effective G (state: median 14.2, min 3.7); '000' cluster = 16 listings, nearest-ZIP3 reassignment; clustered Kennedy; lot recoding on v2 (0.0182 -> 0.0958, matches v1.2 Table 29); paired squared-error differences with ZIP3-cluster SEs (stored predictions) - 09_geo_inference.py: ZIP3-cluster bootstrap of the OLS-vs-ensemble gap per design, LOSO paired tests, SSE decomposition, feasible level correction, 2x2 region x rounds, duplicates re-score, gap range Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-EDIT-01: 05_geo_designs OLS/FE fits cast to float64 (float32 LinearRegression returns rank 1)
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-DATA-04/ADVE-13/ECON-12/ECON-09: legacy exhibits machine-generated; OLS predictions via centred least squares
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- 04_export_tables.py --legacy-exhibits: Tables 2, 5, 9, 11, 17, 30 from stored artefacts / rebuilt sample (Table 9 reproduced: 0.634/0.630, 0.681/0.678, 0.729/0.725; Ridge/Lasso/ENet rows flagged not reproducible; Moran SD under both ddof conventions 0.0076 / 0.0094; z-statistics not stored) - OLS out-of-fold predictions use LinearRegression (centred): a raw-constant lstsq on the legacy design with the corrupt parking column gives 0.613 instead of the stored 0.630 on the random split (now reproduced to 1e-12) Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-EDIT-01/ADVE-01/ADVE-03/ADVE-04/EDIT-03/THEO-01/ADVE-06/ECON-03/ADVE-05/THEO-15: geo-design runner, QR v2 and stored-estimate checks
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- scripts/05_geo_designs.py: OLS/XGB/LGB under random, size-matched, ten-state, GroupKFold by state/ZIP3/ZIP5 and LOSO on the v2 design; nested inner GroupKFold(3) round selection; 5 seeds; factorial ablation; OOF predictions; resumable (smoke-tested on a 15k/30k subsample on the laptop) - scripts/07_qr_v2.py: QR at 5 tau on the trimmed v2 design with convergence flags, 10-seed stability, paired obs + ZIP3 bootstrap (999 draws), Holm/BH/Romano-Wolf, percentile/basic CIs, legacy check vs qr_results.pkl - scripts/10_stored_checks.py: counts over 62 slopes (|t|>1.96: 32 state / 34 ZIP3; t(50): 31; Holm 19; BH 29), oracle within-state R2 on the stored random split (XGB 0.802, LGB 0.774, OLS 0.599), '000' cluster = 16, Moran SD conventions, LOSO summaries, 0.547/0.542 traced to extended_results.pkl, duplicates (1,127 test rows, R2 change < 0.001), Zestimate selection, clustered Kennedy; results/inline_numbers.json (82 entries) Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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R03-DATA-01/EDIT-05/ADVE-07/ADVE-10/DATA-06/THEO-15/DATA-02/DATA-08: rebuild the upstream stage (00_build_sample, 00b_design_matrix, 00c --legacy, tests, DAS, environment)
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- scripts/00_build_sample.py + src/wp3/build.py: DuckDB -> analytical sample; all 68 columns equal analytical_sample.pkl bit-for-bit (max |d| = 0); attrition, descriptives, corrected Table 3 rules (stories/parking = state median), lot reconciliation (123,942 + 6,115 + 211 + 3 negative = 130,271), duplicates (6,787 rows / 3,152 groups), listing-type shares, data window (snapshot 2026-01-08) - data/ref/category_map.csv: frozen raw-string -> category lookup (30,038 strings) - scripts/00b_design_matrix.py + src/wp3/design.py: one design matrix (design_v2.parquet); legacy mode equals model_data.pkl::X_const (max |d| = 0, means/stds ddof=1); v2 = ln lot recoded + lot_missing, parking/stories winsorised, implausible flag (4,970), six missingness indicators - scripts/00c_primary_models.py --legacy --ols-only: baseline OLS reproduced (params rel 7e-12, HC3 SE rel 9e-8, R2 0.634277, F 18,712.47, skew 0.1776, kurtosis 5.5452; state-FE test R2 0.67757 vs 0.67754) - tests/: 13 assertions green; environment/: requirements.lock (laptop + M4M64c), README - data/DATA_AVAILABILITY.md: source, window, licence, SHA-256, sizes, listing types Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Sat, Oct 17, 2026 4
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révision scientifique complète (editorial board, 2026-10-17) — référence non citée retirée
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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révision scientifique complète (editorial board, 2026-10-17)
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v1.1 → v1.2 (October 2026). Audit des données (variables scolaires imputées à 93 %, ln(lot)=0 pour 16,5 %, valeurs aberrantes), inférence groupée ZIP3/État, estimation État par État, bootstrap apparié des tests inter-quantiles, validation géographique étendue (courbe d'arbres, split apparié, GroupKFold, leave-one-state-out, R² within-state), OLS hors État corrigé (0,539), 23 références vérifiées ajoutées + 28 DOI, sections réécrites, docs/REVIEW-REPORT.md et docs/CHANGELOG-REVISION.md, scripts 05–08, 82 pages. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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PDF de référence avant révision scientifique
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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harmonisation standard UQO WP (2026-10-17)
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Page titre du gabarit, natbib + aer, docs/ pour les rapports d'audit, README au standard (Status, citation WP 3), .gitignore et Makefile/.latexmkrc du gabarit, main.pdf recompilé. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Wed, Aug 5, 2026 4
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Record author validation of the novelty sentence (kept as written)
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All five flagged items in UPGRADE_REPORT are now resolved. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Record author decisions: Waltl cited as 2019 (print issue); repo made public
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Ground Walk Score conjecture (Duncan et al. 2011), freeze version date
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- Added verified reference: Duncan, Aldstadt, Whalen, Melly & Gortmaker (2011), IJERPH 8(11), 4160-4179, DOI 10.3390/ijerph8114160 (verified via PubMed/MDPI) — validation of Walk Score across four US metros, supporting the market-specific-meaning mechanism in the discussion. - Title page date frozen to August 5, 2026 (was \today). - Build: 60 pages, 0 errors, 0 undefined refs, 0 overfull boxes, 70/70 references cited. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Final QA pass: verify flagged magnitudes, fix clipped tables, refresh README
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- Verified Black (1999) headline against QJE abstract: corrected 2% to 2.5% per 5% test-score increase; verified Campbell et al. (2011) 27% foreclosure discount (text unchanged). - Fixed two pre-existing table-clipping defects: Table 5 (OLS results) split across two pages via ContinuedFloat; appendix landscape table compacted. Build now has 0 overfull vboxes; no values changed. - README badges updated (60 pages, 69 verified references, v1.1). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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