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Show Results For
- All HBS Web
(7,903)
- People (37)
- News (1,826)
- Research (4,836)
- Events (43)
- Multimedia (59)
- Faculty Publications (3,120)
- November 2020
- Case
The Rise and Fall of Nokia (Abridged)
By: Juan Alcácer and Tarun Khanna
In 2013, Nokia sold its Device and Services business to Microsoft for €5.4 billion. For decades Nokia had led the telecommunications (telecom) industry in handsets and networking. By the late 2000s, however, Nokia's position as market leader in mobile devices was... View Details
Keywords: Mobile Phones; Smartphones; Mobile and Wireless Technology; Emerging Markets; Technological Innovation; Competitive Strategy; Telecommunications Industry
Alcácer, Juan, and Tarun Khanna. "The Rise and Fall of Nokia (Abridged)." Harvard Business School Case 721-414, November 2020.
- December 2024
- Article
Proxy Advisory Firms and Corporate Shareholder Engagement
By: Aiyesha Dey, Austin Starkweather and Joshua White
We study how Institutional Shareholder Services (ISS) affect firms’ engagement with shareholders. Our analyses exploit a quasi-natural experiment using say-on-pay voting outcomes near a threshold that triggers ISS to review engagement activities. Firms receiving ISS... View Details
Dey, Aiyesha, Austin Starkweather, and Joshua White. "Proxy Advisory Firms and Corporate Shareholder Engagement." Review of Financial Studies 37, no. 12 (December 2024): 3877–3931.
- May 2008
- Article
Real and Accrual-Based Earnings Management in the Pre- and Post-Sarbanes Oxley Periods
By: Daniel Cohen, Aiyesha Dey and Thomas Lys
We document that accrual‐based earnings management increased steadily from 1987 until the passage of the Sarbanes‐Oxley Act (SOX) in 2002, followed by a significant decline after the passage of SOX. Conversely, the level of real earnings management activities declined... View Details
Cohen, Daniel, Aiyesha Dey, and Thomas Lys. "Real and Accrual-Based Earnings Management in the Pre- and Post-Sarbanes Oxley Periods." Accounting Review 83, no. 3 (May 2008): 757–787.
- February 2020
- Article
Tales of Two Motives: Disclosure and Concealment
By: Leslie John, Michael L. Slepian and Diana Tamir
We posit that the desire to disclose personal information, and the desire to conceal it, are related yet distinct psychological motives. People often wish to conceal information, such as embarrassing aspects of the self. Yet people also seek to reveal information, such... View Details
John, Leslie, Michael L. Slepian, and Diana Tamir. "Tales of Two Motives: Disclosure and Concealment." Special Issue on Privacy and Disclosure, Online and in Social Interactions edited by L. John, D. Tamir, M. Slepian. Current Opinion in Psychology 31 (February 2020).
- 2018
- Chapter
Work and Workplace
By: Kai Ruggeri, Jana Berkessel, Jascha Achterberg, Gerhard M. Prinz, Alessandra Luna-Navarro, Jon M. Jachimowicz and A. V. Whillans
Work is a major part of many lives. While individual experiences with work will differ—from how long we work to what jobs we have and to what extent we enjoy them—almost everyone is affected by employment, whether they have a job or not. Decades of research in the... View Details
Keywords: Workplace; Behavioral Insights; Retirement Savings; Working Conditions; Employees; Performance; Happiness; Health; Job Search; Change
Ruggeri, Kai, Jana Berkessel, Jascha Achterberg, Gerhard M. Prinz, Alessandra Luna-Navarro, Jon M. Jachimowicz, and A. V. Whillans. "Work and Workplace." Chap. 9 in Behavioral Insights for Public Policy: Concepts and Cases, edited by Kai Ruggeri, 156–173. New York: Routledge, 2018.
- Spring 2021
- Article
Corporate Resilience and Response During COVID-19
By: Alex Cheema-Fox, Bridget LaPerla, George Serafeim and Hui (Stacie) Wang
The coronavirus pandemic caused a sharp market decline while raising heterogeneous responses across companies related to their employees, supply chain, and repurposing of operations to provide needed products and services. We study whether during the 2020 COVID-19... View Details
Keywords: ESG; COVID-19; Coronavirus; Crisis Response Plans; Crisis; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Leadership & Corporate Accountability; Big Data; Machine Learning; Investor Behavior; Institutional Investors; Corporate Performance; Health Pandemics; Crisis Management; Corporate Social Responsibility and Impact; Human Capital; Supply Chain; Operations; Leadership; Corporate Accountability; Institutional Investing; Performance
Cheema-Fox, Alex, Bridget LaPerla, George Serafeim, and Hui (Stacie) Wang. "Corporate Resilience and Response During COVID-19." Journal of Applied Corporate Finance 33, no. 2 (Spring 2021): 24–40.
- 2007
- Working Paper
Hedge Fund Investor Activism and Takeovers
By: Robin Greenwood and Michael Schor
We examine long-horizon stock returns around hedge fund activism in a comprehensive sample of 13D filings by portfolio investors between 1993 and 2006. Abnormal returns surrounding investor activism are high for the subset of targets that are... View Details
Keywords: Mergers and Acquisitions; Private Equity; Investment Return; Investment Activism; Investment Portfolio; Corporate Governance
Greenwood, Robin, and Michael Schor. "Hedge Fund Investor Activism and Takeovers." Harvard Business School Working Paper, No. 08-004, July 2007.
- Article
Agency Costs, Mispricing, and Ownership Structure
By: Sergey Chernenko, C. Fritz Foley and Robin Greenwood
Standard theories of corporate ownership assume that because markets are efficient, insiders ultimately bear all agency costs that they create and therefore have a strong incentive to minimize conflicts of interest with outside investors. We argue that if equity is... View Details
Keywords: Business and Shareholder Relations; Ownership; Conflict of Interests; Investment; Valuation
Chernenko, Sergey, C. Fritz Foley, and Robin Greenwood. "Agency Costs, Mispricing, and Ownership Structure." Financial Management 41, no. 4 (Winter 2012): 885–914.
- October 2013 (Revised November 2015)
- Case
Southwire and 12 For Life: Scaling Up? (A)
By: Jan W. Rivkin and Ryan Lee
Southwire, a leading maker of cable based in rural Georgia, has partnered with the local school system to staff a factory with at-risk high school students. The positive impact on student outcomes has been remarkable, and the factory makes a profit for the company. Now... View Details
Keywords: Partners and Partnerships; Production; Education; Business and Community Relations; Manufacturing Industry; Education Industry
Rivkin, Jan W., and Ryan Lee. "Southwire and 12 For Life: Scaling Up? (A)." Harvard Business School Case 714-434, October 2013. (Revised November 2015.)
- September 1993 (Revised July 1995)
- Background Note
Public Policy and the Manager: Conceptual Framework
Government intervention in markets may have significant effects--both positive and negative--on a firm's strategic options and its performance outcomes. Thus the ability to analyze the origins, implications, and dynamics of public policy is a critical managerial skill... View Details
Keywords: Policy; Management Skills; Government and Politics; Adoption; Business Strategy; Performance Evaluation; Economic Systems
Emmons, Willis M., III. "Public Policy and the Manager: Conceptual Framework." Harvard Business School Background Note 794-028, September 1993. (Revised July 1995.)
- March 2015 (Revised May 2015)
- Case
Turkey and the Southern Corridor
By: Rawi Abdelal, Esel Çekin and Cigdem Çelik
In December 2014, Russia cancelled the South Stream pipeline that was envisaged to deliver natural gas through the Black Sea basin on to Europe and replaced it with a new pipeline through Turkey. The Turkish Stream was a great opportunity for Turkey to turn itself into... View Details
Keywords: Business ＆ Government Relations; Energy; Energy Security; Energy Corridor; Hub; Turkey; European Union; Eurasia; Politics; International Relations; Trade; Energy Sources; Business and Government Relations; Energy Industry; European Union; Turkey; Russia
Abdelal, Rawi, Esel Çekin, and Cigdem Çelik. "Turkey and the Southern Corridor." Harvard Business School Case 715-042, March 2015. (Revised May 2015.)
- 2024
- Working Paper
Climate Solutions, Transition Risk, and Stock Returns
By: Shirley Lu, Edward J. Riedl, Simon Xu and George Serafeim
Using large language models to measure firms' climate solution products and services, we find that high-climate solution firms exhibit lower stock returns and higher market valuation multiples. Their stock prices respond positively to events signaling increased demand... View Details
Keywords: Technology; Generative Ai; Large Language Models; Climate Finance; Climate Change; Innovation and Invention; Environmental Sustainability; AI and Machine Learning; Investment; Financial Markets
Lu, Shirley, Edward J. Riedl, Simon Xu, and George Serafeim. "Climate Solutions, Transition Risk, and Stock Returns." Harvard Business School Working Paper, No. 25-024, November 2024.
- 2010
- Working Paper
Disagreement about the Team's Status Hierarchy: An Insidious Obstacle to Coordination and Performance
By: Heidi K. Gardner
Hierarchies are pervasive in groups, generally providing clear guidelines for the dominance and deference behaviors that members are expected to show based on their relative ranks. But what happens when team members disagree about where each member ranks on the... View Details
Keywords: Performance Effectiveness; Groups and Teams; Behavior; Conflict and Resolution; Perception; Status and Position; Cooperation
Gardner, Heidi K. "Disagreement about the Team's Status Hierarchy: An Insidious Obstacle to Coordination and Performance." Harvard Business School Working Paper, No. 10-113, June 2010.
- 2013
- Article
Achievement Motivation, Strategic Orientations and Business Performance in Entrepreneurial Firms: How Different are Japanese and American Founders?
By: Rohit Deshpandé, Amir Grinstein, Elie Ofek and Sang-Hoon Kim
Purpose: There is lack of research on the link between the personal disposition of an entrepreneurial firm's founder, the firm's strategic orientation, and its performance outcomes. Also, there is lack of cross-national research on entrepreneurial firms' strategic... View Details
Keywords: Motivation; Entrepreneurs; Japan; Motivation and Incentives; Entrepreneurship; Japan; United States
Deshpandé, Rohit, Amir Grinstein, Elie Ofek, and Sang-Hoon Kim. "Achievement Motivation, Strategic Orientations and Business Performance in Entrepreneurial Firms: How Different are Japanese and American Founders?" International Marketing Review 30, no. 3 (2013).
- September 2017 (Revised June 2019)
- Case
Dianrong: Marketplace Lending, Blockchain, and 'The New Finance' in China
By: Christopher J. Malloy, Lauren H. Cohen and Anthony K. Woo
This case examines the strategic positioning of Dianrong, one of the largest online peer-to-peer (P2P) lending platforms in China, in its attempt to become a foundational player in the expansion of the FinTech sector in Asia. Dianrong had recently announced the... View Details
Keywords: Financing and Loans; Internet and the Web; Supply Chain; Finance; Innovation and Invention; Competition; Product Positioning; Strategy; Financial Services Industry; China
Malloy, Christopher J., Lauren H. Cohen, and Anthony K. Woo. "Dianrong: Marketplace Lending, Blockchain, and 'The New Finance' in China." Harvard Business School Case 218-043, September 2017. (Revised June 2019.)
- May 20, 2024
- Article
Porter’s Five Forces and Competitive Advantage in Web3
By: Scott Duke Kominers and Liang Wu
Competitive strategy — the art of crafting and executing plans to achieve an advantageous position in the market — is integral to any business, and especially relevant for platforms because it determines their ability to achieve network effects and scale. But web3... View Details
Keywords: Five Forces Framework; Competitive Strategy; Business Strategy; Network Effects; Digital Transformation
Kominers, Scott Duke, and Liang Wu. "Porter’s Five Forces and Competitive Advantage in Web3." a16zcrypto.com (May 20, 2024).
- 2008
- Thesis
Being B-Boys: Style, Identity, and Respect Among New England and Miami Street Dancers
By: Curtis K. Chan
This study examines the phenomenon of a street dance known as "b-boying" to explore how dancers locate, negotiate, and perform identities, as well as the tensions that occur concomitantly. Drawing on data from participant-observation, interviews, and diverse archival... View Details
- November 2012 (Revised May 2013)
- Case
ASUSTeK and the Google Nexus 7 Tablet
By: Willy C. Shih and Jyun-Cheng Wang
Days after Jerry Shen introduced a new tablet computer at the Consumer Electronics Show, a Google meeting convinced him to go with a lower price point and co-branding as the Nexus 7. While his company would have a premier position at launch, companies like Samsung... View Details
Keywords: Nexus; Google; ASUSTeK; Android; Tablet; Kindle; Kindle Fire; Notebook Computers; ODM; Apple; Price Point; App Store; Ecosystem; Open Handset Alliance; Reference Design; iPad; EMS; Electronic Manufacturing Services; Smartphone; Innovation and Management; Innovation Strategy; Technological Innovation; Product Marketing; Product Launch; Product Positioning; Industry Structures; Product Design; Product Development; Business Strategy; Competitive Strategy; Mobile and Wireless Technology; Digital Platforms; Information Technology; Internet and the Web; Computer Industry; Information Technology Industry; Technology Industry; Taiwan; United States
Shih, Willy C., and Jyun-Cheng Wang. "ASUSTeK and the Google Nexus 7 Tablet." Harvard Business School Case 613-056, November 2012. (Revised May 2013.)
- January 2025
- Case
Index and Active investing: Vanguard and the New Frontier of Active ETFs
By: Marco Sammon, Luis M. Viceira and Jonathan Kanagasabai
This case explores Vanguard’s strategic decision-making process as it considers entering the growing market for actively managed exchange-traded funds (ETFs). Set in 2024, the case places students in the position of Rodney Comegys, Vanguard’s global head of the Equity... View Details
Sammon, Marco, Luis M. Viceira, and Jonathan Kanagasabai. "Index and Active investing: Vanguard and the New Frontier of Active ETFs." Harvard Business School Case 225-056, January 2025.
- 10 Mar 2010
- Working Paper Summaries