November 15, 2025
A masterclass from Daniel Corsten on what global research really tells us about OSA - and the overlooked gap between shelf leaders and shelf learners that every retailer and CPG needs to understand.
On this episode of the Product Availability Podcast, we sit down with Daniel Corsten - Professor at IE Business School, author of Shelf Confidence, and one of the most influential voices behind ECR Retail Loss - whose research and collaboration initiatives have shaped how global retailers and CPGs think about On-Shelf Availability (OSA).
Daniel breaks down ECR’s study with 55 retailers and what the data actually revealed about the current state of OSA - and why it remains one of the most under-managed, under-owned drivers of lost sales in retail.
We also explore the gap between shelf leaders and shelf learners - and why that difference matters more than ever today.
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