<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"><url><loc>https://www.021newsletter.com/p/the-choices-that-determine-whether</loc><news:news><news:publication><news:name>Marketing measurement and analytics | 021 Newsletter</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-06-16T08:25:40+00:00</news:publication_date><news:title>The choices that determine whether your MMM (Marketing Mix Model) actually works</news:title></news:news></url></urlset>