Dataset
Committees of role-specialised language-model agents that debate before answering are increasingly proposed as valuation tools. This paper asks whether the debate adds information. In a preregistered experiment on 631,866 arm's-length residential sales registered in Quebec between 2021 and 2026, evaluated under a…
A pseudo-real-time evaluation on 632,000 Quebec transactions and 82 local market indices, 2021–2026
This paper asks whether new forecasting architectures improve residential price forecasts over strong conventional methods, and under which conditions. Using the audited Quebec land-registry sample of UQO Working Paper 22 (632,006 sales, 2021–2026) and its real-time quality-adjusted index vintages, it defines three…
Monthly municipal indices for Quebec from 770,000 registered sales, 2021–2026
This paper develops and evaluates SHARP-HPI, a framework for monthly quality-adjusted housing price indices at the municipal level in thin markets. Stage one is a robust pooled hedonic regression with fine-scale location fixed effects, smoothly time-varying quality prices and provincial month effects; stage two models…
Evidence from 391,000 Single-Family Transactions in Quebec, 2021–2026
The sales comparison approach is the dominant method of residential valuation, yet its operating rules — how many comparables to use, how far and how far back to search, which adjustments to apply, how to weight and reconcile — rest largely on professional convention. This paper subjects these rules to a…