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Retail Media iROAS Demystified: Understanding Your Brand’s Incremental ROAS

Article authors: Derek T. Nelson | Kate Bante | Brett R. Gordon | Eric T. Anderson | Levi Dantzinger | Sophie Armor

Retail media has reached an inflection point. Incremental ROAS (iROAS) has become central to how advertisers evaluate performance, allocate budgets, and justify investment. Yet, materially different outcomes can be produced for the same campaign based solely on methodological choices.

Ovative experts, in partnership with Albertsons Media Collective and professors from Northwestern University Kellogg School of Management, set out to move the industry toward a more transparent, quantifiable, and trustworthy approach to incremental measurement in retail media.

In this report, our retail media experts share:

  • An overview of incremental measurement approaches across retail media networks (RMNs)
  • An analysis of 42 campaigns, showing how methodology alone can significantly shift iROAS results
  • Practical guidance to help advertisers and RMNs build a shared foundation for confident decision-making

Join Ovative on 4/29 at 1pm ET for a webinar with experts from Northwestern University Kellogg School of Management and Albertsons Media Collective. Dive deeper into the report and learn tips for making confident retail media decisions. RSVP below. 

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ARTICLE AUTHORS

  • Derek T. Nelson

    Senior Director, Retail Media, Ovative Group

    Derek has an innate curiosity and desire to teach others. As a Senior Director of Retail Media, he uses this curiosity to drive meaningful change in marketing measurement and help brands build retail media networks.

  • Kate Bante

    VP, Measurement Strategic Initiatives, Ovative Group

    Kate's superpower is her knack for solving complex problems. As a VP of Measurement Strategic Initiatives, she uses this skill to tackle emerging questions in retail media, brand, CPG, and incrementality measurement.

  • Brett R. Gordon

    Charles H. Kellstadt Professor of Marketing, Northwestern University’s Kellogg School of Management

    Brett is the Charles H. Kellstadt Professor of Marketing at Northwestern University’s Kellogg School of Management. His research focuses on helping firms optimize their pricing, promotion, and advertising strategies through analytical modeling and field experiments. His current work addresses the challenge of measuring incremental advertising effectiveness while accounting for realworld marketing constraints.

  • Eric T. Anderson

    Polk Bros. Chair and Professor of Marketing, Northwestern University’s Kellogg School of Management

    Eric is the Polk Bros. Chair and Professor of Marketing at Northwestern University’s Kellogg School of Management. He has served on the board of directors at Canadian Tire since 2016. His research and advising focus on applied analytics and ML/AI in retail, eCommerce, and financial services.

  • Levi Dantzinger

    Leader of Marketing Science Research, Albertsons Media Collective

    Levi is the leader of Marketing Science Research at Albertsons Media Collective. He brings analytics and data science experience across industry verticals including CPG, Defense, Healthcare, InsureTech, and Retail Media. At The Collective, he focuses on innovating measurement methodologies and metrics to help advance causal understanding of Retail Media’s impact on buyer behavior to help drive meaningful incremental value for brands.

  • Sophie Armor

    Data Scientist, Albertsons Media Collective

    Sophie is a Data Scientist at Albertsons Media Collective. She brings both financial services and retail media expertise to her work and specializes in causal inference and insight generation, leveraging her expertise to drive impactful data-driven decisions.