Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/334869 
Erscheinungsjahr: 
2026
Quellenangabe: 
[Journal:] Electronic Markets [ISSN:] 1422-8890 [Volume:] 36 [Issue:] 1 [Article No.:] 7 [Publisher:] Springer [Place:] Berlin, Heidelberg [Year:] 2026
Verlag: 
Springer, Berlin, Heidelberg
Zusammenfassung: 
In this study, we investigate how power contestation between complementors and powerful platform owners unfolds in digital platform ecosystems as they come under regulatory scrutiny. Platform owners like Alphabet/Google, Apple, Amazon, and Meta/Facebook dominate their respective ecosystems, leveraging network effects and market power to maintain their positions, giving them a powerful advantage vis-à-vis supply-side complementors. Complementors have become increasingly dependent on these platforms and struggle due to their weakened position. In the EU, the European Commission has implemented the Digital Markets Act, which aims to increase fairness and contestability within and across digital platform ecosystems. Using a case study approach, we analyze how regulatory scrutiny, such as the Digital Markets Act, has affected power contestation between platform owners and complementors. In particular, we investigate app store and search platform ecosystems. We establish a conceptual framework of power contestation that shows how complementors and platform owners interact directly and through the regulator as a mediator, vying for power in the ecosystem. We thereby contribute to the emerging Information Systems literature on power dynamics and the regulation of digital platform ecosystems.
Schlagwörter: 
Digital platform ecosystems
Platform power
Platform owners
Complementors
Digital Markets Act (DMA)
Regulation
JEL: 
L50
M15
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Dokumentart: 
Article
Dokumentversion: 
Published Version

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