More from these Authors

• Article | Strategic Management Journal | 2018

  Threat of Platform-Owner Entry and Complementor Responses: Evidence from the Mobile App Market

  Wen Wen and Feng Zhu

  We examine how app developers on the Android mobile platform adjust their innovation efforts (rate and direction) and value-capture strategies in response to Google’s entry threat and actual entry into their markets. We find that, after Google’s entry threat increases, affected developers reduce innovation and raise the prices for the affected apps. Once Google enters, the developers reduce innovation and increase prices further. However, app developers’ incentives to innovate are not completely suppressed; rather, they shift innovation to unaffected and new apps. Given many apps already offering similar features, Google’s entry may reduce such social inefficiency.

  Keywords: platform-owner entry; entry threat; innovation; complementors; mobile app industry; Technology Platform; Mobile Technology; Market Entry and Exit; Price; Innovation and Invention;

  Citation:

  Wen, Wen, and Feng Zhu. "Threat of Platform-Owner Entry and Complementor Responses: Evidence from the Mobile App Market." Strategic Management Journal 40, no. 9 (September 2019): 1336–1367.  View Details

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• Teaching Note | HBS Case Collection | June 2019

  Zebra Medical Vision

  Shane Greenstein and Sarah Gulick

  Teaching note is meant to accompany Zebra Medical Vision case, which offers a look at a company’s decisions as a small startup competing with other startups and major technology companies. It also demonstrates the challenges faced by a machine learning company working on brand-new technology, including difficulties finding training data, hiring competition, and negotiating FDA approvals and other government regulations. Teaching Note for HBS No. 619-014.

  Keywords: Business Startups; Science-Based Business; Software; Patents; Cross-Cultural and Cross-Border Issues; Health Care and Treatment; Health Industry; Medical Devices and Supplies Industry; Technology Industry; Israel;

  Citation:

  Greenstein, Shane, and Sarah Gulick. "Zebra Medical Vision." Harvard Business School Teaching Note 619-053, June 2019.  View Details

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• Article | Harvard Business Review (website) | June 21, 2019

  When Tech Companies Compete on Their Own Platforms

  Feng Zhu

  One common complaint from third parties about platform businesses is that they see what succeeds on their platforms and then enter the most profitable areas themselves, often decimating third parties in the process. Studies have identified several motivations for platform-owner entry beyond just value capture. Multiple studies have suggested that platforms opt to enter directly in order to improve quality, for example. And the effect of platform entry on complementors is mixed. Some studies found that platform entry can create positive spillover effects on third parties and increase their demand. However, a few other studies find that the impact of entry on complementors can be negative. Google’s introduction of flights into its search engine decreased clicks on other organic results, for example. Careful empirical analysis is needed before policy intervention.

  Keywords: platform-based markets; platform-owner entry; Market Platforms; Market Entry and Exit; Competition;

  Citation:

  Zhu, Feng. "When Tech Companies Compete on Their Own Platforms." Harvard Business Review (website) (June 21, 2019).  View Details

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