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Show Results For
- All HBS Web
(3,509)
- People (9)
- News (719)
- Research (2,154)
- Events (36)
- Multimedia (27)
- Faculty Publications (1,282)
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- March 2010
- Article
Correcting for Cross-Sectional and Time-Series Dependence in Accounting Research
By: Ian D. Gow, Daniel Taylor and Gaizka Ormazabal
We review and evaluate the methods commonly used in the accounting literature to correct for cross-sectional and time-series dependence. While much of the accounting literature studies settings in which variables are cross-sectionally and serially correlated, we find... View Details
Keywords: History; Cost of Capital; Activity Based Costing and Management; Performance Evaluation; Cost Accounting; Time Management; Research; Mathematical Methods; Equity; Borrowing and Debt; Accounting Audits; Accounting Industry
Gow, Ian D., Daniel Taylor, and Gaizka Ormazabal. "Correcting for Cross-Sectional and Time-Series Dependence in Accounting Research." Accounting Review 85, no. 2 (March 2010): 483–512.
- December 2005 (Revised February 2019)
- Case
Brighter Smiles for the Masses--Colgate vs. P&G
By: Felix Oberholzer-Gee, Dennis Yao and Filipa Azevedo Jorge
In 2000, Procter & Gamble Co. introduced Crest Whitestrips, a new, revolutionary product that allowed consumers to whiten their teeth at home. With Whitestrips, P&G created an entire new category in oral care, worth $460 million in 2002. Whitestrips sent P&G's main... View Details
Keywords: Competitive Advantage; Competitive Strategy; Advertising; Product Launch; Patents; Price; Performance Effectiveness; Consumer Products Industry
Oberholzer-Gee, Felix, Dennis Yao, and Filipa Azevedo Jorge. "Brighter Smiles for the Masses--Colgate vs. P&G." Harvard Business School Case 706-435, December 2005. (Revised February 2019.)
- February 2021
- Tutorial
T-tests: Theory and Practice
This video provides an introduction to hypothesis testing, sampling, t-tests, and p-values. It provides examples of A/B testing and t-testing to assess whether difference between two groups are statistically significant. This video can be assigned in conjunction with... View Details
- November 2006
- Case
Tickle
By: William A. Sahlman and Dan Heath
Describes a set of decisions confronting the management team of a rapidly growing online psychological testing and social networking company. They can either sell the company to a large public company, raise another round of capital from a preeminent venture capital... View Details
- December 2003 (Revised February 2004)
- Case
Scott Lawson's Dilemma
By: Thomas R. Piper
The head of SysCom's test equipment division is concerned about how to answer employee and customer questions concerning the possible sale or liquidation of the division. The consequences of alternative approaches (full transparency vs. strong optimism and reassurance)... View Details
Keywords: Business Exit or Shutdown; Interpersonal Communication; Business Divisions; Corporate Governance; Ethics; Manufacturing Industry; Technology Industry
Piper, Thomas R. "Scott Lawson's Dilemma." Harvard Business School Case 204-107, December 2003. (Revised February 2004.)
- February 2023
- Case
Roblox: Virtual Commerce in the Metaverse
By: Ayelet Israeli and Nicole Tempest Keller
In 2022, Roblox had 58.8 million daily active users, including over half of all children and teens under the age of 16 in the United States. Roblox, a free-to-use “co-experience platform”, allowed users to come together in immersive 3D experiences to socialize, work,... View Details
Keywords: Entertainment; Games, Gaming, and Gambling; Market Design; Marketing; Brands and Branding; Marketing Channels; Marketing Strategy; Business Strategy; Economics; Economy; Economic Systems; Advertising; Advertising Campaigns; Digital Platforms; Markets; Price; Innovation and Management; Entertainment and Recreation Industry; Video Game Industry; Technology Industry; United States; California; North America; South America; Asia; Europe
Israeli, Ayelet, and Nicole Tempest Keller. "Roblox: Virtual Commerce in the Metaverse." Harvard Business School Case 523-028, February 2023.
- June 2012
- Article
The Transparency Paradox: A Role for Privacy in Organizational Learning and Operational Control
Using data from embedded participant-observers and a field experiment at the second largest mobile phone factory in the world, located in China, I theorize and test the implications of transparent organizational design on workers' productivity and organizational... View Details
Keywords: Transparency; Privacy; Organizational Learning; Operational Control; Organizational Performance; Chinese Manufacturing; Field Experiment; Rights; Interpersonal Communication; Management Practices and Processes; Ethics; Corporate Disclosure; Performance Productivity; Boundaries; Organizations; Social and Collaborative Networks; Labor and Management Relations; Power and Influence; Manufacturing Industry; China
Bernstein, Ethan S. "The Transparency Paradox: A Role for Privacy in Organizational Learning and Operational Control." Administrative Science Quarterly 57, no. 2 (June 2012): 181–216.
- February 2016 (Revised July 2017)
- Case
A Nation Divided: The United States and the Challenge of Secession
By: David Moss and Marc Campasano
Americans elected Abraham Lincoln as the nation's first Republican president in November of 1860. Northern political leaders had formed the Republican Party only a few years before, in large measure to combat the spread of slavery. Southerners had long been wary of... View Details
Moss, David, and Marc Campasano. "A Nation Divided: The United States and the Challenge of Secession." Harvard Business School Case 716-048, February 2016. (Revised July 2017.)
- April 2002
- Case
Pallotta TeamWorks
By: Allen S. Grossman and Elizabeth Kind
Pallotta Team Works is a for-profit, privately owned company that produces multiday fundraising events for nonprofit organizations. Dan Pallotta, the 40-year-old CEO, founded the enterprise in 1992. The company has grown rapidly, having raised over $200 million for... View Details
Keywords: For-Profit Firms; Business Model; Nonprofit Organizations; Philanthropy and Charitable Giving; Social Marketing; Marketing Strategy; Service Industry; Consulting Industry; United States
Grossman, Allen S., and Elizabeth Kind. "Pallotta TeamWorks." Harvard Business School Case 302-089, April 2002.
- Research Summary
Learning Motives
In another research stream, Professor Myers probes the underlying reasons that motivate people to learn. He has confirmed a conceptual framework that identifies four distinct learning motives that vary to the extent that they are intrinsic, extrinsic, and self- or... View Details
Keywords: Learning
- July 2012
- Article
Discrete Choice Cannot Generate Demand That Is Additively Separable in Own Price
By: Sonia Jaffe and Scott Duke Kominers
We show that in a unit demand discrete choice framework with at least three goods, demand cannot be additively separable in own price. This result sharpens the analogous result of Jaffe and Weyl (2010) in the case of linear demand and has implications for testing of... View Details
Keywords: Discrete Choice; Unit Demand; Separable Demand; Linear Demand; Demand and Consumers; Market Design; Mathematical Methods; Economics
Jaffe, Sonia, and Scott Duke Kominers. "Discrete Choice Cannot Generate Demand That Is Additively Separable in Own Price." Economics Letters 116, no. 1 (July 2012): 129–132.
- November 1982
- Article
The Social Psychology of Creativity: A Consensual Assessment Technique
By: T. M. Amabile
States that both the popular creativity tests, such as the Torrance Tests of Creative Thinking, and the subjective assessment techniques used in some previous creativity studies are ill-suited to social psychological studies of creativity. A consensual definition of... View Details
Amabile, T. M. "The Social Psychology of Creativity: A Consensual Assessment Technique." Journal of Personality and Social Psychology 43, no. 5 (November 1982): 997–1013.
- August 2014
- Case
Opening the Valve: From Software to Hardware (A)
By: Ethan Bernstein, Francesca Gino and Bradley Staats
Valve, one of the world's top video game software companies, has also become an iconic example of an organization with virtually no hierarchy. A 400-person organization, Valve's unique organizational form (described in detail in the case and accompanying employee... View Details
Keywords: Valve; Self-Managed Organizations; Organization Design; Strategy; Flat Organization; Video Games; Organization Alignment; Family Business; Steam; Steam Machine; Design; Games, Gaming, and Gambling; Human Resources; Collaborative Innovation and Invention; Technological Innovation; Leadership Style; Management Practices and Processes; Organizational Design; Organizational Structure; Organizational Culture; Organizational Change and Adaptation; Groups and Teams; Alignment; Software; Hardware; Video Game Industry; Seattle
Bernstein, Ethan, Francesca Gino, and Bradley Staats. "Opening the Valve: From Software to Hardware (A)." Harvard Business School Case 415-015, August 2014.
- October 2019
- Case
Regtech at HSBC
By: Aiyesha Dey, Jonas Heese and James Weber
Mark Cooke, Global Head of Operational Risk, needed to decide between a traditional regulatory control system and a new regtech system to manage non-financial risks.
Non-financial risks failures such as money laundering and tax evasion had cost HSBC billions of... View Details
Keywords: Risk Management; Banks and Banking; Collaborative Innovation and Invention; Banking Industry; Information Technology Industry; United Kingdom; United States
Dey, Aiyesha, Jonas Heese, and James Weber. "Regtech at HSBC." Harvard Business School Case 120-046, October 2019.
- September 2023
- Article
The Changing Role of Managers
By: Letian Zhang
This study argues that the increase in middle management in recent decades was
accompanied by a major shift in managerial roles. Increased task complexity and a
new management philosophy have reduced the need for direct supervision but generated
a much greater... View Details
Zhang, Letian. "The Changing Role of Managers." American Journal of Sociology 129, no. 2 (September 2023): 439–484.
- Research Summary
Overview
Dr. Logg studies how people can improve the accuracy of their judgments and decisions. Her main program of work examines when people are most likely to leverage the power of algorithms to improve their accuracy. Research on what she calls “theory of machine” is... View Details
- June 1984 (Revised July 2005)
- Case
Commissioner v. Duberstein
By: Henry B. Reiling
In two cases consolidated for decision, the Court articulates the tests to be used when deciding whether an item is income or a gift and therefore, not income. Both cases are colorful. The first involves the unsolicited receipt of a Cadillac. The second involves... View Details
Reiling, Henry B. "Commissioner v. Duberstein." Harvard Business School Case 284-074, June 1984. (Revised July 2005.)
- October 1994 (Revised January 1997)
- Case
Nestle Refrigerated Foods: Contadina Pasta and Pizza (A)
By: V. Kasturi Rangan and Marie Bell
Nestle Co.'s Refrigerated Foods Division has very successfully launched its Contadina brand pasta and sauces. The new product has achieved nearly $100 million in sales in three years. The division now considers an extension into the pizza line. This case provides a... View Details
Keywords: Business Divisions; Forecasting and Prediction; Marketing Strategy; Product Launch; Sales; Commercialization; Consumer Products Industry; Food and Beverage Industry
Rangan, V. Kasturi, and Marie Bell. "Nestle Refrigerated Foods: Contadina Pasta and Pizza (A)." Harvard Business School Case 595-035, October 1994. (Revised January 1997.)
- November 2023 (Revised April 2024)
- Case
Khanmigo: Revolutionizing Learning with GenAI
By: William A. Sahlman, Allison M. Ciechanover and Emily Grandjean
Already a leader in the edtech space since its 2008 launch, Khan Academy was now one of the first edtech organizations to embrace generative artificial intelligence ("genAI"). In March 2023, Khan Academy began beta testing Khanmigo, a genAI “guide” and tutor built with... View Details
Keywords: Technology Adoption; Leading Change; Entrepreneurship; Risk and Uncertainty; Education; AI and Machine Learning; Corporate Social Responsibility and Impact; Education Industry; Technology Industry; United States; San Francisco
Sahlman, William A., Allison M. Ciechanover, and Emily Grandjean. "Khanmigo: Revolutionizing Learning with GenAI." Harvard Business School Case 824-059, November 2023. (Revised April 2024.)
- Article
Mitigating Bias in Adaptive Data Gathering via Differential Privacy
By: Seth Neel and Aaron Leon Roth
Data that is gathered adaptively—via bandit algorithms, for example—exhibits bias. This is true both when gathering simple numeric valued data—the empirical means kept track of by stochastic bandit algorithms are biased downwards—and when gathering more complicated... View Details
Neel, Seth, and Aaron Leon Roth. "Mitigating Bias in Adaptive Data Gathering via Differential Privacy." Proceedings of the International Conference on Machine Learning (ICML) 35th (2018).