1% ============================================================================2% UQO Working Paper Template — Economics / Finance3% ============================================================================4\documentclass[12pt,letterpaper]{article}56% --- Encoding & Language ---7\usepackage[utf8]{inputenc}8\usepackage[T1]{fontenc}9\usepackage[english]{babel}1011% --- Page Layout ---12\usepackage[13 letterpaper,14 top=1in,15 bottom=1in,16 left=1in,17 right=1in18]{geometry}1920% --- Typography ---21\usepackage{mathptmx} % Times-like font (text + math)22\usepackage{microtype} % Improved typographic refinements23\usepackage{setspace}24\onehalfspacing % 1.5 line spacing2526% --- Math ---27\usepackage{amsmath,amssymb,amsthm}2829% --- Tables ---30\usepackage{booktabs}31\usepackage{tabularx}32\usepackage{multirow}33\usepackage{threeparttable}34\usepackage{siunitx}35\sisetup{36 input-symbols = {()},37 table-format = -1.3,38 parse-numbers = false39}4041% --- Figures ---42\usepackage{graphicx}43\usepackage{subcaption}44\usepackage{float}45\usepackage{adjustbox}4647% --- Colors & Links ---48\usepackage[dvipsnames]{xcolor}49\usepackage[50 colorlinks = true,51 linkcolor = NavyBlue,52 citecolor = NavyBlue,53 urlcolor = NavyBlue,54 breaklinks = true55]{hyperref}5657% --- Bibliography ---58\usepackage[authoryear,round,semicolon]{natbib}59\bibliographystyle{aer}6061% --- Captions ---62\usepackage[63 font = small,64 labelfont = bf,65 labelsep = period,66 justification = justified,67 singlelinecheck = false68]{caption}6970% --- Headers & Footers ---71\usepackage{fancyhdr}72\pagestyle{fancy}73\fancyhf{}74\renewcommand{\headrulewidth}{0pt}75\fancyfoot[C]{\thepage}7677% --- Section Formatting ---78\usepackage{titlesec}79\titleformat{\section}{\large\bfseries}{\thesection.}{0.5em}{}80\titleformat{\subsection}{\normalsize\bfseries}{\thesubsection.}{0.5em}{}81\titleformat{\subsubsection}{\normalsize\itshape}{\thesubsubsection.}{0.5em}{}8283% --- Appendix Support ---84\usepackage[toc,page]{appendix}8586% --- Misc ---87\usepackage{enumitem}88\setlist{nosep,leftmargin=*}8990% ============================================================================91% METADATA — Edit these fields for each working paper92% ============================================================================93\newcommand{\WPnumber}{38}94\newcommand{\WPtitle}{The Economic Geography of Digital Retail Supply: Product Diversity, Regional Specialization, and the Hidden Structure of Quebec's Online Economy}95\newcommand{\WPsubtitle}{Evidence from 390{,}108 product listings of 1{,}569 Quebec online stores across 17 administrative regions (Fabri-Ka snapshot, 1 November 2026)}96\newcommand{\WPdate}{November 2026}97\newcommand{\WPversion}{1.0}98% Primary labelling = classifier (A-002): tables_model/ and figures_model/; preregistered rule labelling in tables/ and figures/99\newcommand{\TM}[1]{\input{tables_model/#1}}100\newcommand{\TR}[1]{\input{tables/#1}}101\newcommand{\FM}[1]{figures_model/#1}102\newcommand{\FR}[1]{figures/#1}103\input{sections/abstract}104\newcommand{\WPkeywords}{economic geography; online retail; product assortment; revealed comparative advantage; diversity; economic complexity; price dispersion; web-scraped data; Quebec}105\newcommand{\WPjel}{R12, L81, O18, C81, D22, R32}106107% --- Author ---108\newcommand{\WPauthor}{Simon-Pierre Boucher}109\newcommand{\WPaffiliation}{%110 Département des sciences administratives\\111 Université du Québec en Outaouais%112}113\newcommand{\WPemail}{simon-pierre.boucher@uqo.ca}114\newcommand{\WPaddress}{%115 Gatineau -- Pavillon Alexandre-Taché\\116 283, boulevard Alexandre-Taché\\117 Gatineau, Québec, Canada J9A 1L8%118}119120% ============================================================================121% DOCUMENT122% ============================================================================123\begin{document}124\input{sections/titlepage}125\input{sections/introduction}126\input{sections/literature}127\input{sections/institutional}128\input{sections/data}129\input{sections/hypotheses}130\input{sections/methods}131\input{sections/results}132\input{sections/robustness}133\input{sections/discussion}134\input{sections/conclusion}135\input{sections/reproducibility}136\newpage137\bibliography{references}138\input{appendix/appendix}139\end{document}140