Mathias Béjean List of articlesNo 66, 2021/3Yahya El Yahyaoui (2021), Économie des plateformes numériques : captation de la valeur, pouvoir de marché et communs collaboratifs, L’esprit économique, Paris, L’HarmattanNo 69, 2022/3Opening the black box of platforms: structures, actors, operationsspecial issue, 2025/HS1From Lab to Field: Collective Experimentation as A Driver of Seizing Capability in Established Firms – A Case Study in the Mobility SectorNo 65, 2021/2Living Labs, collaborative innovation and ecosystems: The case of the “Concept Maturity Levels” initiative in the medtech