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Smarter promotions with causal machine learning

In August 2025 at the KDD AI Conference in Toronto, Canada, we presented our published research, “Causal Machine Learning for Promotions: Industry Evidence and Applications.” In this paper, we describe a two-stage framework for improving promotion efficiency through causal machine learning – first by estimating each customer’s true response to different offers, and then by optimizing which promotions to deliver under practical business constraints.

Running Experiments with Google Adwords for Campaign Optimization

Running experiments on marketing channels involves many challenges, yet at DoorDash, we found a number of ways to optimize our marketing with rigorous testing on our digital ad platforms.