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Publications
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- Faculty Publications (398)
- May 2019
- Case
Elon Musk's Big Bets Update, 2019
By: David B. Yoffie and Daniel Fisher
This short case provides an update to Elon Musk's strategy and tactical moves with Tesla, Solar City, and SpaceX from 2016-2019. View Details
Keywords: Electric Vehicles; Batteries; Solar Power; Execution; Space Flight; Tesla; SolarCity; SpaceX; Elon Musk; Information Technology; Risk and Uncertainty; Expansion; Renewable Energy; Strategy; Investment; Manufacturing Industry; Green Technology Industry; Auto Industry; Aerospace Industry; Battery Industry
- May 2019
- Case
Mobileye Update, 2019
By: David B. Yoffie and Daniel Fisher
Mobileye was an Israeli company, officially headquartered in The Netherlands, which was a Tier 2 supplier to the global automobile industry. This short case updates Mobileye's business performance and strategy, following the acquisition by Intel in 2017. View Details
- 2019
- Book
The Business of Platforms: Strategy in the Age of Digital Competition, Innovation, and Power
By: Michael A. Cusumano, Annabelle Gawer and David B. Yoffie
The Business of Platforms explores the strategic, economic, and technology management challenges of digital platform businesses. We have five major themes in the book: 1) The world’s most valuable companies are all platforms, in part because platforms have... View Details
- April 2019
- Supplement
Upwork in 2019
By: David Yoffie and Allison M. Ciechanover
Stephane Kasriel, the CEO of Upwork, the leading platform for freelance labor, updates his progress on how to redesign its business model in 2019. View Details
- April 2019 (Revised February 2020)
- Case
Ripple: The Business of Crypto
By: David B. Yoffie and George Gonzalez
The case explores Ripple CEO Brad Garlinghouse’s mission to disrupt the global payments industry by leveraging the cryptocurrency XRP. Students will learn about Bitcoin and the blockchain industry, as well as Ripple’s unique crypto business model. The case provides an... View Details
- April 2019
- Case
Walmart Update, 2019
By: David B. Yoffie and Daniel Fisher
In 2019 Walmart was still the world's largest company, with over $500 billion in annual revenue and operations around the world. Although it had mostly vanquished its rival discount retailers in the U.S., it was struggling to find the right growth strategy. Facing a... View Details
- March 2019
- Teaching Note
Numenta: Inventing and (or) Commercializing AI
By: David B. Yoffie
This teaching notes accompanies the Numenta case, HBS No. 716-469. The focus is how to scale a new artificial intelligence technology, how to build a platform and overcome chicken-or-the-egg problems, and how to utilize open source software and licensing. View Details
- February 2019
- Teaching Note
Voice War: Hey Google vs. Alexa vs. Siri
By: David B. Yoffie
Teaching Note for "Voice War: Hey Google vs. Alexa vs. Siri," HBS No. 718-519. View Details
- June 2018 (Revised January 2020)
- Teaching Note
Apple Inc. in 2018
By: David B. Yoffie
Teaching Note for HBS No. 718-439. View Details
- June 2018 (Revised January 2020)
- Teaching Note
Qualcomm Inc., 2019
By: David B. Yoffie
Teaching Note for HBS No. 718-514. View Details
- June 2018 (Revised August 2019)
- Case
Qualcomm Inc., 2019
By: David B. Yoffie and Andrew S. Choi
This case is set in mid-2019, when Qualcomm was struggling with unwanted take-over battles, fights with Apple and the Chinese government, and internal dissension on the board of directors. Ten years earlier Qualcomm was hailed as a monopoly on CDMA technologies and... View Details
- June 2018 (Revised January 2020)
- Case
Voice War: Hey Google vs. Alexa vs. Siri
By: David B. Yoffie, Liang Wu, Jodie Sweitzer, Denzil Eden and Karan Ahuja
By early 2018, voice-controlled intelligent assistants had become a major new front in the battle between the giants of the technology sector. "Voice War" focuses on Alphabet’s strategy for Google Assistant, its entrant in the voice assistant space, and asks how the... View Details
- May 2018 (Revised December 2019)
- Case
Apple Inc. in 2018
By: David B. Yoffie and Eric Baldwin
Many observers worried about what would happen to Apple when Steve Jobs died in 2011. But Apple had performed above everyone's expectations in Cook's six years as CEO. Apple's core business—the iPhone—continued to deliver spectacular results. In addition, Cook was... View Details
- April 2018
- Supplement
$19B 4 txt app WhatsApp...omg! (B)
By: David B. Yoffie and Aakash Mehta
This case provides a brief update on Facebook's acquisition of WhatsApp. View Details
- October 2017 (Revised August 2018)
- Case
HTC and Virtual Reality
By: David B. Yoffie, Andy Wu and Allison M. Ciechanover
In fall 2017, HTC CEO and Chairperson Cher Wang was driving the company to focus on virtual reality (VR). HTC's first VR product, VIVE, released in spring 2016, was applauded for its superior immersive room-scale capabilities. However, early adoption of VR beyond... View Details
- September 2017 (Revised July 2018)
- Technical Note
Virtual Reality and the Gaming Sector 2017
By: David B. Yoffie, Natalia Prieto Nino, Prasad Raman, Brad Kowalk and Ruby Tamberino
This brief note explores the emerging possibilities of virtual reality and its potential as a gaming platform. View Details
- September 2017 (Revised July 2018)
- Case
CyberArk: Protecting the Keys to the IT Kingdom
By: Raffaella Sadun, David Yoffie and Margot Eiran
CyberArk was the recognized leader in the Privileged Account Management (PAM) space, a cybersecurity subsegment it had essentially created to secure organizations’ IT systems and sensitive data. Over 17 years, the Israeli company had grown to a market capitalization of... View Details
- July 2017 (Revised July 2018)
- Case
Upwork: Creating the Human Cloud
By: Dylan Minor and David Yoffie
Stephane Kasriel, the new CEO of Upwork, the leading platform for freelance labor, needs to decide on how to redesign its business model. While the firm has been growing rapidly since the merger of Odesk and eLance, the newly combined firm continues to face problems of... View Details
- 2019
- Chapter
Network Effects
By: Andrei Hagiu and David B. Yoffie
Network effects are a key economic and strategic phenomenon in 'new economy' industries. They can, but do not necessarily, lead to market tipping, unless they outweigh customers' benefits from differentiation and are accompanied by high switching and multi-homing... View Details
Keywords: Network Effects
- May 2017 (Revised May 2019)
- Supplement
Intuit: QuickBooks (B)
By: David Yoffie and Nicole Tempest Keller
This short case updates the earlier Intuit case on transitioning from a product company into a platform company. In addition to providing information on the recent successes and challenges of the business, it also explores a new challenge of building a platform with a... View Details