Publications

September 2004
Journal Article

Judotaktika

By: David B. Yoffie and Mary Kwak

02 Jun 2010
First Look

First Look: June 2

of the Contract: How Contract Structure Shapes Inter-Firm Dispute Resolution Authors:Fabrice Lumineau and Deepak Malhotra Publication:Strategic Management Journal (in press) Abstract This paper investigates how contract structure influences inter-firm dispute... View Details

Keywords: Martha Lagace

September 2023 (Revised June 2024)
Case

CyberArk: Fearlessly Forward in a Digital World

By: David B. Yoffie and Daniela Beyersdorfer

CyberArk was a leader in privileged access management and was an emerging leader in security identity. This case explores strategies in cybersecurity and whether big bets are needed to become a global leader. View Details

Keywords: Cybersecurity; Strategy; Technological Innovation; Technology Industry

February 2020
Case

Intellectual Ventures Update 2020

By: David B. Yoffie and Daniel Fisher

After raising $6 billion and buying 60,000 patents, Intellectual Venture (IV) was confronted with a changing legal environment. After a number of important legal decisions, including the Supreme Court's so-called "Alice" decision, IV had to shift strategy. IV sold off... View Details

Keywords: Intellectual Property; Strategy; Innovation and Invention; Information Technology; Business Model; United States

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

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

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

May 2006 (Revised October 2007)
Case

EU Verdict Against Microsoft

By: David B. Yoffie and Michael Slind

In 2004, following an investigation that began in 1998, the European Commission (EC) issued an antitrust judgment against Microsoft Corp., levying a record fine of 497 million euros ($613 million) and mandating changes of commercial behavior and bundling of Windows... View Details

Keywords: Judgments; Governance Compliance; Lawsuits and Litigation; Monopoly; Business and Government Relations; Competitive Strategy; Software; European Union; United States

June 2004
Teaching Note

Strategic Inflection: TiVo in 2003 (A & B) TN

By: Pai-Ling Yin and David B. Yoffie

Teaching Note to (9-704-425) and (9-704-429). View Details

Keywords: Entertainment and Recreation Industry

May 2004 (Revised April 2005)
Background Note

Intellectual Property and Strategy

By: David B. Yoffie and Deborah Freier

Explores the role of intellectual property in firms' strategies. Explains the legal and strategic differences between patents, copyrights, trademarks, and trade secrets and explores the multiple ways firms use these different legal protections to gain competitive... View Details

Keywords: Copyright; Patents; Trademarks; Competitive Advantage; Value

August 2002
Case

AOL Europe vs. Freeserve (C)

By: David B. Yoffie and Mary Kwak

Supplements the (A) case. A rewritten version of an earlier supplement. View Details

Keywords: France; Germany; United Kingdom; United States

August 2002 (Revised December 2002)
Case

AOL Europe vs. Freeserve (B)

By: David B. Yoffie and Mary Kwak

Supplements the (A) case. A rewritten version of an earlier supplement. View Details

Keywords: France; Germany; United Kingdom; United States

April 2002
Supplement

Gucci Group N.V. (C)

By: David B. Yoffie and Mary Kwak

Supplements the (A) case. View Details

Keywords: Apparel and Accessories Industry

May 1999
Background Note

Broadband Race, The

By: David B. Yoffie and Mary Kwak

Surveys developments in broadband in the late 1990s, focusing on the rivalry between telecom companies deploying DSL and cable companies rolling out cable modem service. Reviews the major broadband technologies, examines the state of competition in the United States,... View Details

Keywords: Technological Innovation; Internet and the Web; Competition; Telecommunications Industry; United States; Hong Kong; Singapore

Find at Harvard

Article

Mastering Balance: How to Meet and Beat a Stronger Opponent

By: David B. Yoffie and Mary Kwak

Keywords: Balance and Stability

Find at Harvard

April 2021
Teaching Note

Social Media War 2021: Snap vs. Facebook vs. TikTok

By: David B. Yoffie and Daniel Fisher

This teaching note provides analysis and a teaching plan for the Social Media War 2021: Snap vs. Facebook vs. TikTok case. View Details

Keywords: Strategy Development; Competitor Analysis; Strategy; Network Effects; Competitive Strategy; Decision Choices and Conditions; Social Media

April 2020
Case

TiVo 2020

By: David B. Yoffie and Daniel Fisher

This short case provides an update on TiVo from 2016-2020. The case covers TiVo merger with Rovi, the turnover of several CEOs, and struggles on how to reposition its product business (the digital video recorder). View Details

Keywords: Streaming; Media; Technological Innovation; Strategy; Media and Broadcasting Industry