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- All HBS Web (681)
- Faculty Publications (375)
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- May 2004
- Background Note
56K Modem Battle
By: David B. Yoffie and Deborah Freier
Examines the battle to set the standard for the 56K modem. Set in 1996, this case looks at how computers accessed the Internet via a telephone line, or dial-up connection, and a hardware modem. In 1995, there were 18.6 million total modem unit shipments, with market...
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Keywords:
Announcements;
Revenue;
Patents;
Product Launch;
Network Effects;
Standards;
Competition;
Information Infrastructure;
Internet and the Web;
Technology Industry;
Illinois
Yoffie, David B., and Deborah Freier. "56K Modem Battle." Harvard Business School Background Note 704-501, May 2004.
- January 2004
- Case
Nokia and MIT's Project Oxygen (Abridged)
By: David B. Yoffie and Rebecca Henderson
Looks at how Nokia should respond to a future vision of computing and communications that was developed at MIT's Project Oxygen.
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Keywords:
Mobile and Wireless Technology;
Adaptation;
Strategic Planning;
Telecommunications Industry;
Technology Industry
Yoffie, David B., and Rebecca Henderson. "Nokia and MIT's Project Oxygen (Abridged)." Harvard Business School Case 704-474, January 2004.
- June 1995 (Revised July 1995)
- Case
Wal-Mart in East Asia
By: David B. Yoffie and Richard Seet
Discusses Wal-Mart's entry strategy in East Asia, specifically Singapore, Japan, Hong Kong, and China.
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Keywords:
Market Entry and Exit;
Trade;
Expansion;
Retail Industry;
East Asia;
Singapore;
Japan;
Hong Kong;
China
Yoffie, David B., and Richard Seet. "Wal-Mart in East Asia." Harvard Business School Case 795-188, June 1995. (Revised July 1995.)
- March 1994 (Revised March 2000)
- Case
Cola Wars Continue: Coke vs. Pepsi in the 1990s
By: David B. Yoffie and Sharon Foley
The competition between Coke and Pepsi is a classic corporate battle that began in America at the turn of the century and has expanded into worldwide competitive warfare in the 1990s. This case examines the economics of the soft drink and bottling industries, and...
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Keywords:
Globalization;
Organizational Culture;
Competition;
Competitive Strategy;
Corporate Strategy;
Food and Beverage Industry;
North and Central America
Yoffie, David B., and Sharon Foley. "Cola Wars Continue: Coke vs. Pepsi in the 1990s." Harvard Business School Case 794-055, March 1994. (Revised March 2000.)
- May 2017
- Teaching Note
Elon Musk's Big Bets
By: David B. Yoffie and Eric Baldwin
This teaching note is designed for the Elon Musk's Big Bets case (#717-431).
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Keywords:
Strategy
- 24 Feb 2009
- First Look
First Look: February 24, 2009
Entrepreneurship and the History of Globalization Authors:G. Jones and R. Daniel Wadhwani Publication:In The Act of Accumulation. Essays in Honor of Gyorgy Kover, edited by J. Klement, K. Halmos, A. Pogany, and View Details
Keywords:
Martha Lagace
- 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...
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Keywords:
Vaccination;
COVID-19;
Nudge;
Influenza;
Field Experiment;
Health;
Communication Strategy;
Behavior
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).
- 31 Mar 2009
- First Look
First Look: March 31, 2009
Accounting Research. Vol. 3, edited by C. Chapman, A. Hopwood, and M. Shields. Elsevier Science & Technology Books, 2009 Abstract David Norton and I introduced the Balanced Scorecard in a 1992 Harvard...
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Keywords:
Martha Lagace
- 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...
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Keywords:
Customer Relationship Management;
Competitive Advantage;
Software;
Web Services Industry;
Information Technology Industry
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...
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Keywords:
Organizational Change and Adaptation;
Transformation;
Corporate Strategy;
Adoption;
Management Teams;
Information Infrastructure;
Information Technology;
Multinational Firms and Management;
Computer Industry
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
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
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
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...
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Keywords:
Market Entry and Exit;
Applications and Software;
Global Strategy;
Management Teams;
Information Technology Industry;
United States
Yoffie, David B., and John J. Coleman. "Lotus Development Corporation: Entering International Markets." Harvard Business School Case 387-034, August 1986. (Revised June 1987.)
- 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...
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Keywords:
Carmen Nobel
- 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.
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- 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).
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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.
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Keywords:
Activist Shareholder;
Activist Investors;
Technology;
Strategy;
Corporate Strategy;
Investment Activism;
Financial Services Industry;
Retail Industry
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...
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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
Hagiu, Andrei, and David B. Yoffie. "Brightcove, Inc. in 2007." Harvard Business School Case 712-424, September 2011. (Revised March 2014.)