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Show Results For
- All HBS Web
(7,248)
- People (19)
- News (1,277)
- Research (4,956)
- Events (79)
- Multimedia (45)
- Faculty Publications (3,647)
- July 2012
- Case
LEGO
By: Jan W. Rivkin, Stefan Thomke and Daniela Beyersdorfer
LEGO has emerged as one of the most successful companies in the toy industry. The case describes LEGO's gradual rise, rapid decline, and recent revitalization as it is keeping up with a changing market place. Central to LEGO's management model is the ability to find... View Details
- August 2018 (Revised September 2018)
- Supplement
Predicting Purchasing Behavior at PriceMart (B)
By: Srikant M. Datar and Caitlin N. Bowler
Supplements the (A) case. In this case, Wehunt and Morse are concerned about the logistic regression model overfitting to the training data, so they explore two methods for reducing the sensitivity of the model to the data by regularizing the coefficients of the... View Details
Keywords: Data Science; Analytics and Data Science; Analysis; Customers; Household; Forecasting and Prediction
Datar, Srikant M., and Caitlin N. Bowler. "Predicting Purchasing Behavior at PriceMart (B)." Harvard Business School Supplement 119-026, August 2018. (Revised September 2018.)
- 2010
- Working Paper
Mixed Source
By: Ramon Casadesus-Masanell and Gaston Llanes
We study competitive interaction between a profit-maximizing firm that sells software and complementary services and a free open source competitor. We examine the firm's choice of business model between the proprietary model (where all software modules are... View Details
Keywords: Business Model; Duopoly and Oligopoly; Monopoly; Open Source Distribution; Quality; Competition; Information Technology Industry
Casadesus-Masanell, Ramon, and Gaston Llanes. "Mixed Source." Harvard Business School Working Paper, No. 10-022, September 2009. (Revised October 2010.)
- 19 Aug 2022
- Blog Post
Climate Stories Episode #8: The Role of Solar and Wind Farming (and Other Tools) in the United States’ Clean Energy Future
the network upgrade costs. The shuffling necessitates re-studies, and the delays continue. Currently in Texas, however, the process can take a quarter of the time. “Interconnection studies can take just 12-18 months in Texas, and network... View Details
- August 2010 (Revised October 2010)
- Case
Patagonia
By: Ramon Casadesus-Masanell, Hyunjin Kim and Forest L. Reinhardt
Patagonia was deeply committed to the environment. This commitment, at times, conflicted with the company's goal to create the most innovative products in its industry. Patagonia's founder and executives welcomed imitation of both its environmental commitment and its... View Details
Keywords: Business History; Environmental Sustainability; Business Model; Business Strategy; Expansion; Consumer Products Industry
Casadesus-Masanell, Ramon, Hyunjin Kim, and Forest L. Reinhardt. "Patagonia." Harvard Business School Case 711-020, August 2010. (Revised October 2010.)
- April 1986 (Revised May 1996)
- Background Note
Note on Option Pricing
Develops a simple option pricing model which provides an insight into the foundations of the Black and Scholes model. The Black and Scholes model is next introduced and its relationship to the simple option pricing model discussed. Last, the problem of pricing debt... View Details
Mason, Scott P. "Note on Option Pricing." Harvard Business School Background Note 286-112, April 1986. (Revised May 1996.)
- Web
The Competition - A Concrete Symbol: The Building of Harvard Business School 1908-1927 – Baker Library | Bloomberg Center, Historical Collections
Architect, March 11, 1921. When the idea for the new campus was first conceived, Dean Wallace B. Donham asked Boston architect Harold Kellogg to create blueprints and models of proposed HBS buildings for... View Details
- 2022
- Working Paper
Exploring the Relationship between Team Diversity, Psychological Safety and Team Performance: Evidence from Pharmaceutical Drug Development
By: Henrik Bresman and Amy C. Edmondson
Breakthrough performance in teams requires pooling diverse perspectives and expertise. To realize the potential of diversity, communicating and translating across differences is essential. However, left to their own devices, diverse teams tend to underperform, in part... View Details
Keywords: Teams; Psychological Safety; Groups and Teams; Diversity; Interpersonal Communication; Performance
Bresman, Henrik, and Amy C. Edmondson. "Exploring the Relationship between Team Diversity, Psychological Safety and Team Performance: Evidence from Pharmaceutical Drug Development." Harvard Business School Working Paper, No. 22-055, February 2022.
- August 5, 2025
- Article
Data-driven Equation Discovery Reveals Nonlinear Reinforcement Learning in Humans
By: Kyle J. LaFollette, Janni Yuval, Roey Schurr, David Melnikoff and Amit Goldenberg
Computational models of reinforcement learning (RL) have significantly contributed to our understanding of human behavior and decision-making. Traditional RL models, however, often adopt a linear approach to updating reward expectations, potentially oversimplifying the... View Details
LaFollette, Kyle J., Janni Yuval, Roey Schurr, David Melnikoff, and Amit Goldenberg. "Data-driven Equation Discovery Reveals Nonlinear Reinforcement Learning in Humans." Proceedings of the National Academy of Sciences 122, no. 31 (August 5, 2025).
- Article
Advancing Digital Health Applications: Priorities for Innovation in Real-World Evidence Generation
By: Ariel Dora Stern, Jan Brönneke, Jörg F Debatin, Julia Hagen, Henrik Matthies, Smit Patel, Ieuan Clay, Bjoern Eskofier, Annika Herr, Kurt Hoeller, Ashley Jaksa, Daniel B Kramer, Mattias Kyhlstedt, Katherine T Lofgren, Nirosha Mahendraratnam, Holger Muehlan, Simon Reif, Lars Riedemann and Jennifer C Goldsack
In 2019, Germany passed the Digital Healthcare Act, which, among other things, created a “Fast-Track” regulatory and reimbursement pathway for digital health applications in the German market. The pathway explicitly provides for flexibility in how researchers can... View Details
Stern, Ariel Dora, Jan Brönneke, Jörg F Debatin, Julia Hagen, Henrik Matthies, Smit Patel, Ieuan Clay, Bjoern Eskofier, Annika Herr, Kurt Hoeller, Ashley Jaksa, Daniel B Kramer, Mattias Kyhlstedt, Katherine T Lofgren, Nirosha Mahendraratnam, Holger Muehlan, Simon Reif, Lars Riedemann, and Jennifer C Goldsack. "Advancing Digital Health Applications: Priorities for Innovation in Real-World Evidence Generation." Lancet Digital Health 4, no. 3 (March 2022): e200–e206.
- 2023
- Article
Verifiable Feature Attributions: A Bridge between Post Hoc Explainability and Inherent Interpretability
By: Usha Bhalla, Suraj Srinivas and Himabindu Lakkaraju
With the increased deployment of machine learning models in various real-world applications, researchers and practitioners alike have emphasized the need for explanations of model behaviour. To this end, two broad strategies have been outlined in prior literature to... View Details
Bhalla, Usha, Suraj Srinivas, and Himabindu Lakkaraju. "Verifiable Feature Attributions: A Bridge between Post Hoc Explainability and Inherent Interpretability." Advances in Neural Information Processing Systems (NeurIPS) (2023).
- Research Summary
Housing Markets with Contingencies
We model a real-estate market with three types of agents: regular buyers and sellers, and homeowners, who are agents who want to sell their current home only if they can buy another one. On the one hand, our model is a counterpart of the Abdulkadiroglu and Sonmez... View Details
- 06 Apr 2017
- News
Harvard Business School Professor Julio Rotemberg Dies at 63
- 2019
- Chapter
Resource Allocation Theory
By: Joseph L. Bower
This article considers the process of resource allocation, whereby an organization determines how best to apportion its factors of production between the various productive activities in which it wishes to engage. It is suggested that none of the academic approaches to... View Details
Keywords: Resource Allocation
Bower, Joseph L. "Resource Allocation Theory." In The Palgrave Encyclopedia of Strategic Management. Continuously updated edition, edited by Mie Augier and David J. Teece. Palgrave Macmillan, 2017. Electronic. (Pre-published, July 2016.)
- March 2005 (Revised March 2006)
- Background Note
Activity-Based Costing and Capacity
By: Robert S. Kaplan
Discusses the use of budgeted rather than historical data in an activity-based costing (ABC) model and argues for calculating rates using practical capacity, not actual utilization. An ABC model need not be limited to analysis of historical data. When cost driver rates... View Details
Kaplan, Robert S. "Activity-Based Costing and Capacity." Harvard Business School Background Note 105-059, March 2005. (Revised March 2006.)
- July 2011
- Article
Mixed Source
By: Ramon Casadesus-Masanell and Gaston Llanes
We study competitive interaction between a profit-maximizing firm that sells software and complementary services and a free open source competitor. We examine the firm's choice of business model between the proprietary model (where all software modules are... View Details
Keywords: Competition; Open Source Distribution; Profit; Sales; Applications and Software; Service Operations; Business Model; Decision Choices and Conditions; Quality; Value Creation
Casadesus-Masanell, Ramon, and Gaston Llanes. "Mixed Source." Management Science 57, no. 7 (July 2011): 1212–1230.
- November 1999 (Revised June 2000)
- Case
VerticalNet (www.verticalnet.com)
By: Das Narayandas
VerticalNet, a leading creator of targeted business-to-business vertical trade communities on the Internet, is trying to expand its model to facilitate e-commerce. Mark Walsh, the CEO of VerticalNet, has to decide how far he can extend the firm's business model without... View Details
Narayandas, Das. "VerticalNet (www.verticalnet.com)." Harvard Business School Case 500-041, November 1999. (Revised June 2000.)
- November 2004 (Revised May 2005)
- Case
Marvel Enterprises, Inc.
By: Anita Elberse
The management team of Marvel Enterprises, known for its universe of superhero characters that includes Spider-Man, the Hulk, and X-Men, must reevaluate its marketing strategy. In June 2004, only six years after the company emerged from bankruptcy, Marvel has amassed a... View Details
Keywords: Intellectual Property; Business Model; Brands and Branding; Marketing Strategy; Opportunities; Growth and Development Strategy; Rights; Entertainment and Recreation Industry
Elberse, Anita. "Marvel Enterprises, Inc." Harvard Business School Case 505-001, November 2004. (Revised May 2005.)
- 2014
- Article
Wall Street Research
By: Paul M. Healy
This article discusses a research program investigating the workings of both the sell and buy sides of financial analysis, tackles how the U.S. securities industry research adds value in financial markets, and evaluates the business model problems that the industry... View Details
Healy, Paul M. "Wall Street Research." Journal of Applied Finance 24, no. 2 (2014): 6–16.