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The emergence of digital technologies has significantly reduced the economic costs of data—search, storage, computation, transmission—and enabled new economic activities. Over the years, firms able to create a platform-based ecosystem have become a force of “creative construction.” Economic activities (C2C, B2C, B2B) have been reorganized around platform-based ecosystems for value creation and value appropriation, which are orchestrated by multisided platforms via the “digital hand.” To further understanding of the Digital Platform Economy, this paper provides a conceptual framework consisting of three interrelated concepts: digital technology infrastructure, multisided digital platforms, and platform-based ecosystems (users and entrepreneurs). Using a unique database over five decades, we revisit the hypothesis that new firms were needed to introduce digital technologies …