02/06/2026
🌐 While platforms like Amazon and Zalando appear to champion consumer welfare through low prices and endless choice, their underlying business model raises a critical question: Does the reality match the rhetoric?
Through the ERC-funded DIPVAR project, Professor Özlem Bedre Defolie has been investigating how dominant digital platforms shape prices, product variety, and competition. Her research examines what happens when a platform acts as both marketplace and retailer, hosting third-party sellers while competing against them.
The project reveals a less visible mechanism of market power: by raising fees and commissions, hybrid platforms can steer consumers towards their own products, raising important questions for competition policy and the regulation of digital markets.
In the latest story, Professor Bedre Defolie discusses the findings of DIPVAR and what they mean for consumers, businesses, and policymakers.
🔗 Read the full interview: https://loom.ly/pL8QiZY