Meituan Technology Team

Jun 12, 2025 · Fundamentals

Mastering Difference-in-Differences: From Theory to Meituan’s Real‑World Cases

This article, part of the Trusted Experiment Whitepaper series, introduces quasi‑experimental design and focuses on the Difference‑in‑Differences (DID) method, explaining its principles, evaluation models, parallel‑trend testing, extensions, and a concrete Meituan fulfillment case study illustrating practical implementation.