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Show Results For
- All HBS Web
(2,890)
- People (14)
- News (1,120)
- Research (1,157)
- Events (6)
- Multimedia (43)
- Faculty Publications (595)
- August 2020 (Revised September 2020)
- Technical Note
Assessing Prediction Accuracy of Machine Learning Models
The note introduces a variety of methods to assess the accuracy of machine learning prediction models. The note begins by briefly introducing machine learning, overfitting, training versus test datasets, and cross validation. The following accuracy metrics and tools... View Details
Keywords: Machine Learning; Statistics; Econometric Analyses; Experimental Methods; Data Analysis; Data Analytics; Forecasting and Prediction; Analytics and Data Science; Analysis; Mathematical Methods
Toffel, Michael W., Natalie Epstein, Kris Ferreira, and Yael Grushka-Cockayne. "Assessing Prediction Accuracy of Machine Learning Models." Harvard Business School Technical Note 621-045, August 2020. (Revised September 2020.)
- December 1994 (Revised December 1994)
- Case
Physician Sales and Service, Inc. (A): June 1992
A medical products distribution company faces strategic opportunities and challenges in a rapidly changing market. Physician Sales and Service (PSS), founded by Patrick Kelly in 1983, operates in 20 states in the United States and intends to expand to 50 states by... View Details
Keywords: Entrepreneurship; Growth and Development Strategy; Medical Devices and Supplies Industry; Distribution Industry
Bhide, Amar, and Jay Dial. "Physician Sales and Service, Inc. (A): June 1992." Harvard Business School Case 395-066, December 1994. (Revised December 1994.)
- 11 Nov 2020
- News
Lessons on Leading Through Chaos from U.S. Special Operations
- 2025
- Working Paper
CEO-Firm Matches and Productivity in 42 Countries
By: Amanda Dahlstrand, Dávid László, Helena Schweiger, Oriana Bandiera, Andrea Prat and Raffaella Sadun
Firms are key to economic development, and CEOs are key to firm productivity. Are firms in countries at varying stages of development led by the right CEOs, and if not, why? We develop a parsimonious measure of CEO time use that allows us to differentiate CEOs into... View Details
Dahlstrand, Amanda, Dávid László, Helena Schweiger, Oriana Bandiera, Andrea Prat, and Raffaella Sadun. "CEO-Firm Matches and Productivity in 42 Countries." Harvard Business School Working Paper, No. 25-033, January 2025. (NBER Working Paper Series, No. 33324, January 2025.)
The Sales Acceleration Formula: Using Data, Technology, and Inbound Selling to go from $0 to $100 Million
The Sales Acceleration Formula provides a scalable, predictable approach to growing revenue and building a winning sales team. Everyone wants to build the next $100 million business and author Mark Roberge has actually done it using a unique methodology... View Details
- November 2019 (Revised February 2020)
- Case
Starbucks: Reaffirming Commitment to the Third Place Ideal
By: Francesca Gino, Katherine B. Coffman and Jeff Huizinga
On April 12, 2018, two African American entrepreneurs had scheduled a business meeting at a Starbucks in Philadelphia’s Rittenhouse Square neighborhood. They sat without ordering, waiting for a local businessman to show up for the meeting. The store manager called 911... View Details
Keywords: Mission and Purpose; Values and Beliefs; Prejudice and Bias; Crisis Management; Employees; Training
Gino, Francesca, Katherine B. Coffman, and Jeff Huizinga. "Starbucks: Reaffirming Commitment to the Third Place Ideal." Harvard Business School Case 920-016, November 2019. (Revised February 2020.)
- January 2021
- Case
Andela: Africa's AWS for Talent
By: Caroline M. Elkins, Tarun Khanna and Joyce J. Kim
Five years after the company’s founding, Andela, a company that built and trained remote engineering teams, became arguably Africa’s greatest technology unicorn. By January 2019, Andela raised $100 million in Series D funding. As Andela looked to scale in an... View Details
Keywords: Education In Africa; Entrepreneur; Remote Work; Software Engineering; Edtech; Entrepreneurship; Education; Applications and Software; Engineering; Growth and Development Strategy; Africa
Elkins, Caroline M., Tarun Khanna, and Joyce J. Kim. "Andela: Africa's AWS for Talent." Harvard Business School Case 321-113, January 2021.
- 2017
- Chapter
Paul R. Lawrence: A Career of Rigor, Relevance, and Passion
By: Michael Tushman
Paul R. Lawrence was one of the earliest and most influential figures in the emergence of organizational behavior as a field of study. He was a pioneer in creating a body of work on organization design, leadership, and change in both the private and public sectors.... View Details
Keywords: Organization Design; Contingency Theory; Public And Private Organizations; Rigor And Relevance; Biography; Organizational Design; Leadership; Learning; Leading Change
Tushman, Michael. "Paul R. Lawrence: A Career of Rigor, Relevance, and Passion." In The Palgrave Handbook of Organizational Change Thinkers. Continuously updated ed. Edited by David Szabla, William Pasmore, Mary Barnes, and Asha Gipson. Springer, 2017. Electronic. (doi: 10.1007/978-3-319-49820-1_12-2.)
- 2016
- Working Paper
Notes on Developing a Strategy and Designing a Company
By: Kevin J. Boudreau
The practice and teaching of business strategy today exist largely as a set of alternative views and frameworks not entirely connected to one another. These notes contribute an integrated sequence of steps for creating or evaluating a strategy and associated company... View Details
Keywords: Business Strategy
Boudreau, Kevin J. "Notes on Developing a Strategy and Designing a Company." Harvard Business School Working Paper, No. 16-131, May 2016. (Revised June 2016.)
- December 2003 (Revised April 2005)
- Course Overview Note
Corporate Strategy: Course Note for Instructors
By: Bharat N. Anand
Introduces students to the concerns that impact a firm's choice of strategy, scope, and organization and assists in three central tasks that comprise the typical decision problem: diagnosing the sources of corporate advantage, evaluating the limits to such advantage,... View Details
Keywords: Corporate Strategy
Anand, Bharat N. "Corporate Strategy: Course Note for Instructors." Harvard Business School Course Overview Note 704-461, December 2003. (Revised April 2005.)
- 22 Mar 2021
- News
Emerging Leaders
- December 2020 (Revised March 2025)
- Case
Responsive Working at PepsiCo UK (A): Designing a Turnaround
By: Amy C. Edmondson and Nancy Boghossian Staples
Facing a significant decline in revenues in 2016, David Gwilliam, Head of Transformation at PepsiCo UK introduced a new way of working (“Responsive Working”), which encompasses a set of work practices and some new team structures. The work practices comprise a set of 9... View Details
Keywords: SLAM Teams; Turnaround; Groups and Teams; Employees; Training; Decision Making; Planning; Performance Improvement; Consumer Products Industry; Manufacturing Industry; United Kingdom; Europe
Edmondson, Amy C., and Nancy Boghossian Staples. "Responsive Working at PepsiCo UK (A): Designing a Turnaround." Harvard Business School Case 621-076, December 2020. (Revised March 2025.)
Linda A. Hill
Linda A. Hill is the Wallace Brett Donham Professor of Business Administration at the Harvard Business School and Faculty Chair of the Leadership Initiative. Hill is regarded as one of the top experts on leadership and innovation. Hill is... View Details
- Web
Faculty & Research
of Avoidable Health Care By: Amitabh Chandra , Pragya Kakani and Simone Matecna We measure whether expert patients – those trained as physicians and nurses – have fewer emergency department visits and the reasons for these differences.... View Details
- September 2013
- Article
Trends in Hip Arthroscopy Utilization in the United States.
By: K J Bozic, V. Chan, F. H. Valone, B. T. Feeley and T. P. Vail
INTRODUCTION: The purpose of this study was to evaluate the changing incidence of hip arthroscopy procedures among newly trained surgeons in the United States, the indications for hip arthroscopy, and the reported rate of post-operative... View Details
Bozic, K. J., V. Chan, F. H. Valone, B. T. Feeley, and T. P. Vail. "Trends in Hip Arthroscopy Utilization in the United States." Journal of Arthroplasty 28, no. 8 (September 2013).
- Career Coach
Lauren Murphy
Lauren is the Founder and Principal Coach of Pivotal Executive Coaching, partnering with senior business leaders to accomplish their professional and organization goals. She works with executives in technology, healthcare, real estate, consumer products, and financial... View Details
Keywords: Consumer Products; Investment Management; Financial Services (All); Manufacturing; Publishing / Communications / Advertising; Retail; Health Care; Clean Technology; Energy; Commercial Banking; Financial Services (All); Consulting; Education; Entertainment / Media; Entrepreneurship; Financial Services (All); Government; Hospitality; Investment Banking; Financial Services (All); Private Equity; Financial Services (All); Real Estate; Search Fund; Financial Services (All); Sports; Technology; Telecommunications; Venture Capital; Financial Services (All)
- July 2018
- Case
Ce Soir-Là, Ils n'Arrivent Plus Un par Un, Mais par Vagues: Coping with the Surge of Trauma Patients at L'Hôpital Universitaire La Pitié Salpêtrière—Friday, November 13, 2015
By: Herman B. "Dutch" Leonard, Emilie Billaud and Arnold M. Howitt
On November 13, 2015, Dr. Marie Borel, Dr. Emmanuelle Dolla, Dr. Frédéric Le Saché, and Professor Mathieu Raux were the doctors in charge of the trauma center at L’Hôpital de la Pitié Salpêtrière in Paris, where dozens of wounded and dying patients, most with severe... View Details
Keywords: Health Care and Treatment; Crisis Management; Performance Capacity; Decision Making; Leadership; Health Industry; Europe; France; Paris
Leonard, Herman B. "Dutch", Emilie Billaud, and Arnold M. Howitt. "Ce Soir-Là, Ils n'Arrivent Plus Un par Un, Mais par Vagues: Coping with the Surge of Trauma Patients at L'Hôpital Universitaire La Pitié Salpêtrière—Friday, November 13, 2015." Harvard Business School Case 319-032, July 2018.
- Article
How a Fast-Growing Startup Built Its Sales Team for Long-Term Success
By: Frank V. Cespedes and David Mattson
It’s common for leaders of sales teams to focus almost exclusively on short-term tactics and current operations while failing to think and act in a way that supports the longer-term needs of their businesses—and it’s hard to fault them. The biggest problem with a... View Details
Cespedes, Frank V., and David Mattson. "How a Fast-Growing Startup Built Its Sales Team for Long-Term Success." Harvard Business Review (website) (December 4, 2017).
- January 2010 (Revised March 2013)
- Case
HubSpot: Lower Churn through Greater CHI
By: F. Asis Martinez Jerez, Thomas Steenburgh, Jill Avery and Lisa Brem
HubSpot, a web marketing startup is under pressure from VCs to rapidly acquire new customers and to maintain a low level of customer churn. In the case, students explore the drivers of customer churn and uncover opportunities to increase customer retention across the... View Details
Keywords: Business Startups; Customer Relationship Management; Customer Satisfaction; Customer Value and Value Chain; Forecasting and Prediction; Consumer Behavior; Happiness; Consulting Industry
Martinez Jerez, F. Asis, Thomas Steenburgh, Jill Avery, and Lisa Brem. "HubSpot: Lower Churn through Greater CHI." Harvard Business School Case 110-052, January 2010. (Revised March 2013.)