Research on platform owners' entry into complementary markets points in divergent
directions. One strand of the literature reports a squeeze on post-entry complementor profits …

As platform owners continue to expand their ecosystems, many of them have started to
provide consumers with their own complementary applications. These moves position the …

Abstract Research Summary What drives platform complementors to adopt boundary
resources? We address this question by drawing on optimal distinctiveness. We suggest that …

First-party complements, complements provided by the platform owner itself, are an
important tool for managing the complementor space in two-sided markets. Nonetheless …

Platform owners occasionally enter third-party providers' markets with similar offerings. This
study investigates the influence of such platform-owner entry on third parties' commitment to …

Research Summary: Platform owners sometimes enter complementors' product spaces and
compete against them. Using data from Amazon. com to study Amazon's entry pattern into …

Multisided platforms such as Apple's App Store and Valve's Steam become increasingly
dominant when more end users and complement producers join their ecosystems. Despite …

While millions of products are sold on its retail platform, Amazon. com itself stocks and sells
only a very small fraction of them. Most of these products are sold by third-party sellers who …

Platform owners have exerted an increasing level of influence on their complementors,
sometimes even competing with them. However, little is known about these coopetitive …

Abstract Research Summary Within platform‐based ecosystems, what drives platform
owners' investment decision to enable third‐party complements onto their platforms …