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- All HBS Web (684)
- Faculty Publications (380)
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- June 2005 (Revised March 2006)
- Case
E Ink in 2005
By: David B. Yoffie and Barbara Mack
Explores the challenges of commercializing a bleeding-edge technology. After seven years, E Ink has spent more than $100 million to commercialize electronic ink. With business momentum picking up, but resources running out, the case examines the key trade-offs in... View Details
Keywords: Technological Innovation; Commercialization; Mathematical Methods; Consumer Products Industry; Technology Industry
Yoffie, David B., and Barbara Mack. "E Ink in 2005." Harvard Business School Case 705-506, June 2005. (Revised March 2006.)
- January 2005 (Revised April 2005)
- Case
Wal-Mart, 2005
By: David B. Yoffie and Barbara Mack
Wal-Mart has been expanding, both domestically and internationally. Covers recent developments at Wal-Mart, including new stores, new store formats, and international expansion. View Details
Keywords: Globalized Firms and Management; Competition; Expansion; Innovation and Invention; Retail Industry; United States
Yoffie, David B., and Barbara Mack. "Wal-Mart, 2005." Harvard Business School Case 705-460, January 2005. (Revised April 2005.)
- October 2004 (Revised December 2004)
- Case
Nokia Update 2004
By: David B. Yoffie and Barbara Mack
Updates students on Nokia's performance. View Details
- December 2002
- Teaching Note
AOL Europe vs. Freeserve (A,B, and C) (TN)
By: David B. Yoffie and Mary Kwak
Teaching Note for (9-703-409), (9-703-410), and (9-703-411). View Details
- September 2006
- Article
With Friends Like These: The Art of Managing Complementors
By: David B. Yoffie and Mary Kwak
Keywords: Management
Yoffie, David B., and Mary Kwak. "With Friends Like These: The Art of Managing Complementors." Harvard Business Review 84, no. 9 (September 2006).
- 2005
- Working Paper
Wintel: Cooperation or Conflict
We study the incentives of complementors (producers of complementary products) to cooperate vs. compete and how these interact. In a system of complements, like the PC, the value of the final product depends on how well the different components work together. This, in... View Details
Keywords: Investment; Price; Time Management; Product; Product Development; Research and Development; Conflict and Resolution; Motivation and Incentives; Value
Casadesus-Masanell, Ramon, and David B. Yoffie. "Wintel: Cooperation or Conflict." Harvard Business School Working Paper, No. 05-083, July 2005.
- fall 2001
- Article
Mastering Strategic Movement at Palm
By: David B. Yoffie and Mary Kwak
Keywords: Strategy
Yoffie, David B., and Mary Kwak. "Mastering Strategic Movement at Palm." MIT Sloan Management Review 43, no. 1 (fall 2001): 55–63. (Reprint 4315.)
- 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
Yoffie, David B., and Daniela Beyersdorfer. "CyberArk: Fearlessly Forward in a Digital World." Harvard Business School Case 724-382, September 2023. (Revised June 2024.)
- 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
Yoffie, David B., and Daniel Fisher. "Intellectual Ventures Update 2020." Harvard Business School Case 720-438, February 2020.
- 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
Yoffie, David B., and Eric Baldwin. "Wal-Mart Update, 2017." Harvard Business School Case 717-468, April 2017. (Revised October 2017.)
- 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
Yoffie, David B., and Eric Baldwin. "A Note on Activist Investors and the Tech Sector." Harvard Business School Case 716-462, June 2016. (Revised May 2017.)
- 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
Yoffie, David B., and Michael Slind. "EU Verdict Against Microsoft." Harvard Business School Case 706-503, May 2006. (Revised October 2007.)
- 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
Yoffie, David B., and Deborah Freier. "Intellectual Property and Strategy." Harvard Business School Background Note 704-493, May 2004. (Revised April 2005.)
- 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
Yoffie, David B., and Mary Kwak. "AOL Europe vs. Freeserve (C)." Harvard Business School Case 703-411, August 2002.
- 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
Yoffie, David B., and Mary Kwak. "AOL Europe vs. Freeserve (B)." Harvard Business School Case 703-410, August 2002. (Revised December 2002.)
- 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
Yoffie, David B., and Mary Kwak. "Gucci Group N.V. (C)." Harvard Business School Supplement 702-479, April 2002.
- 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
Yoffie, David B., and Mary Kwak. "Broadband Race, The." Harvard Business School Background Note 799-106, May 1999.
- Article
Mastering Balance: How to Meet and Beat a Stronger Opponent
By: David B. Yoffie and Mary Kwak
Keywords: Balance and Stability
Yoffie, David B., and Mary Kwak. "Mastering Balance: How to Meet and Beat a Stronger Opponent." California Management Review 44, no. 2 (Winter 2002): 8–24.