Publications

May 2017 (Revised October 2017)
Teaching Note

eBay vs. Carl Icahn, 2014, and A Note on Activist Investors and the Tech Sector

By: David B. Yoffie and Eric Baldwin

Teaching note to accompany eBay vs. Carl Icahn, 2014, HBS Case #717-417; eBay vs. Carl Icahn, 2014: Interview with John Donahoe, eBay CEO 2008-2015; A Note on Activist Investors and the Tech Section HBS Case #716-462 View Details

May 2017
Teaching Note

Wal-Mart Update, 2017

This Teaching Note is designed for the case, “Wal-Mart Update, 2017,” HBS No. 717-468. View Details

Keywords: Strategy; Retail Industry

April 2017 (Revised October 2017)
Case

Wal-Mart Update, 2017

By: David B. Yoffie and Eric Baldwin

In 2017 Wal-Mart was still the world’s largest company, with over $480 billion in annual revenue and operations in 28 countries. 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

Keywords: E-Commerce Strategy; Strategy; Competitive Strategy; Business Growth and Maturation; Growth and Development Strategy; Global Range; Business Strategy; Corporate Strategy; E-commerce; Retail Industry

March 2017
Supplement

Mobileye: The Future of Driverless Cars

This video is a supplement to the Mobileye case. The co-founder, Chairman, and CTO, Amnon Shashua, discussed how Mobileye tries to create a sustainable advantage; how it prices its products; whether it should collaborate or not with Google; and how much of its... View Details

Keywords: Strategy; Competitive Positioning; Driverless Car; Competitive Strategy; Alliances; Competitive Advantage; Auto Industry; Israel

March 2017
Supplement

Donna Dubinsky, Numenta and Artificial Intelligence

Donna Dubinsky, CEO of Numenta, discusses her views of the future of artificial intelligence and the strategic challenges of building a new platform. View Details

Keywords: Artificial Intelligence; Strategy; Technological Change; AI and Machine Learning; Technology Industry

March 2017
Supplement

eBay vs. Carl Icahn, 2014: Interview with John Donahoe, eBay CEO 2008-2015

By: David B. Yoffie, Eric Baldwin and Tom Ryder

This video, a supplement to HBS Case No. 717-417, features an interview with former eBay CEO John Donahoe, providing his perspective on eBay's response to activist investor Carl Icahn's attack on eBay, which began in January 2014. After giving some of his own... View Details

Keywords: Activist Shareholder; Activist Investors; Technology; Strategy; Corporate Strategy; Investment Activism; Financial Services Industry; Retail Industry; Technology Industry

Find at Harvard

Article

Extrapolating from Moore's Law

By: Michael A. Cusumano and David B. Yoffie

Keywords: Strategy; Technology

Find at Harvard

November 2016 (Revised September 2018)
Case

Elon Musk's Big Bets

By: David B. Yoffie, Eric Baldwin and Brandon Kaufmann

Between late 2014 and late 2016, Tesla CEO Elon Musk undertook several major, and risky, initiatives that would dramatically expand the scale and scope of Tesla’s business. In late 2014, Tesla began construction on a $5 billion “gigafactory” that would manufacture... View Details

Article

Mastering Strategy

By: David B. Yoffie and Michael A. Cusumano

Keywords: Strategy

Find at Harvard

September 2016 (Revised January 2020)
Case

Pebble: Wearables Pioneer

By: David Yoffie and Allison Ciechanover

In the summer of 2016, wearables “wunderkind” and Pebble founder and CEO, Eric Migicovsky, was pleased with the young startup’s success in the five years since its founding. The Silicon Valley–based company had recently shipped its two millionth smartwatch; held the... View Details

Keywords: Competition; Strategy; Innovation Strategy; Product; Information Technology; Technological Innovation; Business Startups; Technology Industry; United States; California

August 2016 (Revised May 2017)
Case

eBay vs. Carl Icahn, 2014

By: David B. Yoffie and Eric Baldwin

This case explores Carl Icahn's attack on eBay, starting in January 2014. The case examines how John Donahoe, CEO of eBay, should respond to Icahn's demand that eBay spin off PayPal and accept Icahn's two nominees to the board of directors. View Details

Keywords: Activist Shareholder; Activist Investors; Technology; Strategy; Corporate Strategy; Investment Activism; Financial Services Industry; Retail Industry

June 2016 (Revised August 2019)
Case

Numenta: Inventing and (or) Commercializing AI

By: David B. Yoffie, Liz Kind and David Ben Shimol

In March 2016, Donna Dubinsky (co-founder and CEO) and Jeff Hawkins (co-founder) were struggling with a key question: Could Numenta be successful in both creating fundamental technology and building a commercial business? Located in Redwood City, CA, Numenta was... View Details

Keywords: Artificial Intelligence; Machine Intelligence; Machine Learning; Strategy; Business Model; Entrepreneurship; Information; Technological Innovation; Research; Research and Development; Information Technology; Applications and Software; Technology Adoption; Digital Platforms; Commercialization; AI and Machine Learning

June 2016
Teaching Note

Apple's Future: Apple Watch, Apple TV, and/or Apple Car?

Teaching note for “Apple's Future,” HBS no. 716-401. View Details

Keywords: Strategy

June 2016 (Revised May 2017)
Case

A Note on Activist Investors and the Tech Sector

By: David B. Yoffie and Eric Baldwin

This short note provides background and data on the growing role of corporate activists, especially in high-technology industries. View Details

Keywords: Governance; Activist Investors; Strategy; Investment Activism; Financial Services Industry; Technology Industry

June 2016 (Revised May 2017)
Case

Searching for a New CEO: TiVo 2016

In 2015, TiVo initiated a search for a new CEO. This case provides a profile of the CEO search and background on the company. View Details

Keywords: Technological Change; Succession Planning; Information Technology; Strategy; Strategic Planning; Management Succession; Forecasting and Prediction; Change; Entertainment and Recreation Industry; Media and Broadcasting Industry

March 2016 (Revised October 2017)
Case

Salesforce.com vs. Siebel (Abridged)

Explores the phenomenon of software becoming a service. Salesforce.com has catapulted into the lead for offering a customer relationship management (CRM) solution as a Web-based service. Siebel, the leader in CRM packaged software sales, has to devise a strategy to... View Details

Keywords: Customer Relationship Management; Competitive Strategy; Software