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  • All HBS Web  (674)
    • News  (134)
    • Research  (475)
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  • All HBS Web  (674)
    • News  (134)
    • Research  (475)
  • Faculty Publications  (380)
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  • 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
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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
Keywords: France; Germany; United Kingdom; United States
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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
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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
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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
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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.
  • June 2005 (Revised September 2006)
  • Case

Oracle vs. salesforce.com

By: David B. Yoffie and Alison Berkley Wagonfeld
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 Advantage; Software; Web Services Industry; Information Technology Industry
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Yoffie, David B., and Alison Berkley Wagonfeld. "Oracle vs. salesforce.com." Harvard Business School Case 705-440, June 2005. (Revised September 2006.)
  • November 1990 (Revised September 1991)
  • Case

The Transformation of IBM

By: Andrall E. Pearson and David B. Yoffie
John Akers, IBM's chairman, must confront how to transform a $60 billion, full line, global computer company that is the leader in every market it serves, yet losing share across the board. The case explores senior management's perspective on the process of... View Details
Keywords: Organizational Change and Adaptation; Transformation; Corporate Strategy; Adoption; Management Teams; Information Infrastructure; Information Technology; Multinational Firms and Management; Computer Industry
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Pearson, Andrall E., and David B. Yoffie. "The Transformation of IBM." Harvard Business School Case 391-073, November 1990. (Revised September 1991.)
  • September 1987 (Revised January 1992)
  • Case

Semiconductor Industry Association and the Trade Dispute with Japan (C), The

By: David B. Yoffie and John J. Coleman
Keywords: Trade; Competition; Semiconductor Industry; Japan; United States
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Yoffie, David B., and John J. Coleman. "Semiconductor Industry Association and the Trade Dispute with Japan (C), The." Harvard Business School Case 388-049, September 1987. (Revised January 1992.)
  • June 1987
  • Supplement

Semiconductor Industry Association and the Trade Dispute with Japan, The: Chart of Arguments/SIA's Section 301, Supplement

By: David B. Yoffie and John J. Coleman
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Yoffie, David B., and John J. Coleman. "Semiconductor Industry Association and the Trade Dispute with Japan, The: Chart of Arguments/SIA's Section 301, Supplement." Harvard Business School Supplement 387-206, June 1987.
  • June 1987 (Revised February 1988)
  • Case

Semiconductor Industry Association and the Trade Dispute with Japan (B), The

By: David B. Yoffie and John J. Coleman
Keywords: Trade; Competition; Semiconductor Industry; Japan; United States
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Yoffie, David B., and John J. Coleman. "Semiconductor Industry Association and the Trade Dispute with Japan (B), The." Harvard Business School Case 387-195, June 1987. (Revised February 1988.)
  • August 1986 (Revised June 1987)
  • Case

Lotus Development Corporation: Entering International Markets

By: David B. Yoffie and John J. Coleman
Lotus 1-2-3 exploded on the American market in the spring of 1983. Nine months later Jim Manzi, vice president of marketing, hired Chuck Digate to develop an international strategy for Lotus. Case explores Lotus' rapid rise to the top of the software market in the... View Details
Keywords: Market Entry and Exit; Applications and Software; Global Strategy; Management Teams; Information Technology Industry; United States
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Yoffie, David B., and John J. Coleman. "Lotus Development Corporation: Entering International Markets." Harvard Business School Case 387-034, August 1986. (Revised June 1987.)
  • Article

A Megastudy of Text-Based Nudges Encouraging Patients to Get Vaccinated at an Upcoming Doctor's Appointment

By: Katherine L. Milkman, Mitesh S. Patel, Linnea Gandhi, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher F. Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie K. John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth
Many Americans fail to get life-saving vaccines each year, and the availability of a vaccine for COVID-19 makes the challenge of encouraging vaccination more urgent than ever. We present a large field experiment (N = 47,306) testing 19 nudges delivered to patients via... View Details
Keywords: Vaccination; COVID-19; Nudge; Influenza; Field Experiment; Health; Communication Strategy; Behavior
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Milkman, Katherine L., Mitesh S. Patel, Linnea Gandhi, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher F. Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie K. John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp, and Angela L. Duckworth. "A Megastudy of Text-Based Nudges Encouraging Patients to Get Vaccinated at an Upcoming Doctor's Appointment." e2101165118. Proceedings of the National Academy of Sciences 118, no. 20 (May 18, 2021).
  • Web

From Concept to Product | Baker Library

running or ready to run,” she wrote to Land on July 26, 1957, in reference to remarks by David Skinner, vice president of manufacturing, regarding Polaroid’s new plant in Waltham. In the same letter she... View Details
  • 03 Jan 2017
  • First Look

January 3, 2017

response to policies that maintain low interest rates, money funds change their product offerings by investing in riskier asset classes, are more likely to exit the market, and reduce the fees they charge their investors. The consequence... View Details
Keywords: Carmen Nobel
  • 01 Feb 1997
  • News

Case Method Experts Share Their Wisdom

Corporation, the two-day program was led by the School's John D. Black Professor Louis B. Barnes, coauthor with Christensen and Abby J. Hansen of Teaching and the Case Method. During the seminar,... View Details
  • 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
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Yoffie, David B., and Daniel Fisher. "Social Media War 2021: Snap vs. Facebook vs. TikTok." Harvard Business School Teaching Note 721-449, April 2021.
  • 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
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Yoffie, David B., and Daniel Fisher. "TiVo 2020." Harvard Business School Case 720-457, April 2020.
  • 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
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Yoffie, David B., and Eric Baldwin. "eBay vs. Carl Icahn, 2014." Harvard Business School Case 717-417, August 2016. (Revised May 2017.)
  • September 2011 (Revised March 2014)
  • Case

Brightcove, Inc. in 2007

By: Andrei Hagiu and David B. Yoffie
Brightcove, a technology and services provider to content owners in the Internet television field, aimed to become a media distribution company in its own right. On October 30, 2006, it relaunched its Website—and, in effect, its business. With its new, consumer-facing... View Details
Keywords: Competition; Entrepreneurship; Investment; Diversification; Digital Platforms; Business Strategy; Internet and the Web; Business Model; Distribution; Media and Broadcasting Industry; Motion Pictures and Video Industry
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Hagiu, Andrei, and David B. Yoffie. "Brightcove, Inc. in 2007." Harvard Business School Case 712-424, September 2011. (Revised March 2014.)
  • June 2011 (Revised March 2013)
  • Case

Wal-Mart Update, 2011

By: David B. Yoffie and Renee Kim
In 2011, Wal-Mart was the world's largest company with $420 billion in sales and operations in 14 countries. Yet it found itself searching for the right growth strategy moving forward. U.S. same-store sales had declined for eight consecutive quarters and Wal-Mart was... View Details
Keywords: Corporate Strategy; Business Growth and Maturation; Growth and Development Strategy; Competitive Strategy; Global Range; Business Strategy; Retail Industry
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Yoffie, David B., and Renee Kim. "Wal-Mart Update, 2011." Harvard Business School Case 711-546, June 2011. (Revised March 2013.)
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