The authors thank Shirsho Biswas, Pradeep Chintagunta, Avery Haviv, Anja Lambrecht, Kay Miller, Sarah Moshary, Simha Mummalaneni, Hema Yoganarasimhan, and the participants of the seminar series at the University of Washington, Duke University, London Business School, University of Arizona, the Virtual Quantitative Marketing Seminar (VQMS), the Tobacco Online Policy Seminar (TOPS), and the Marketing Science conference for their constructive feedback and insightful comments. The authors thank the Program in Health Economics and Outcomes Research Methodology (PHEnOM) at the University of Washington for help with the Merative data. Researchers’ own analyses are calculated (or derived) based in part on (i) retail measurement/consumer data from Nielsen Consumer LLC (“NielsenIQ”), (ii) media data from The Nielsen Company (US), LLC (“Nielsen”), and (iii) marketing databases provided through the respective NielsenIQ and the Nielsen data sets at the Kilts Center for Marketing Data Center at The University of Chicago Booth School of Business. The conclusions drawn from the NielsenIQ and Nielsen data are those of the researcher(s) and do not reflect the views of Nielsen. Nielsen is not responsible for, had no role in, and was not involved in analyzing and preparing the results reported herein. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.