Working paper library

The Economic Geography of Digital Retail Supply: Product Diversity, Regional Specialization, and the Hidden Structure of Quebec's Online Economy

Evidence from 390,108 product listings of 1,569 Quebec online stores across 17 administrative regions (Fabri-Ka snapshot, 1 November 2026)

Simon-Pierre Boucher · UQO Working Papers · November 2026 · v1.0

Can product-level online catalogues reveal the spatial organisation, diversity and specialization of a regional retail economy beyond what business counts show? This paper studies one read-only snapshot (1 November 2026) of Fabri-Ka, an aggregator of the public catalogues of 1,569 Quebec-based online stores (390,108…

The Hidden Architecture of Grocery Prices: Promotions, Retail Competition, and the Cost of Living in Quebec

Evidence from 300,613 posted-price events across 54 Quebec grocery feeds, August–November 2026

Simon-Pierre Boucher · UQO Working Papers · November 2026 · v1.0

Grocery prices are not a single inflation process. Using a read-only research copy of Food-Ka, a Quebec grocery price aggregator, the paper assembles an auditable panel of 124,579 listings from 54 active source feeds (26 retail companies, two channels: online storefronts and weekly circulars) observed every seven…

The Endogenous Housing Liquidity Premium: Search Frictions, Seller Urgency, and Price Discovery

Simon-Pierre Boucher · UQO Working Papers · October 2026 · v1.0

This paper studies how search frictions, heterogeneous seller urgency, financing frictions and bargaining jointly determine the liquidity discount, transaction prices, sale hazards and price dispersion in a local housing market. In a continuous-time matching model with free entry of buyers, sellers differ in a…