Filter Results:
(245)
Show Results For
- All HBS Web (245)
- Faculty Publications (79)
Show Results For
- All HBS Web (245)
- Faculty Publications (79)
- 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.)
- Summer 2016
- Article
The Real Lessons From Kodak's Decline
By: Willy C. Shih
Eastman Kodak is often mischaracterized as a company whose managers didn't recognize soon enough that digital technology would decimate its traditional business. However, what really happened at Kodak is much more complicated—and instructive. Kodak suffered from a... View Details
Keywords: Technological Change; Disruption; Ecosystem; Semiconductors; Photography; Scaling-up; Scaling; Organizational Change and Adaptation; Information Technology; Product; Consumer Products Industry; United States
Shih, Willy C. "The Real Lessons From Kodak's Decline." MIT Sloan Management Review 57, no. 4 (Summer 2016): 11–13.
- 16 Jun 2014
- Blog Post
Recruiting Millennials in a Global Market
talent. Organizations need to be nimble and stay ahead of the curve to effectively target the right candidates through methods that appeal to them. As an international educator who has worked with college-aged students and young... View Details
- November 2004 (Revised April 2005)
- Case
Deutsche Bank: Finding Relative Value Trades
Deutsche Bank's Fixed Income Research Group is looking for yield curve trades to pitch to clients as well as for their proprietary trading desk. The group has data on recent bond trades and a proprietary term structure model, which they can use to develop trading... View Details
Keywords: Bonds; Capital Markets; Investment Banking; Institutional Investing; Banking Industry; Germany
Chacko, George C., Peter A. Hecht, Vincent Dessain, and Anders Sjoman. "Deutsche Bank: Finding Relative Value Trades." Harvard Business School Case 205-059, November 2004. (Revised April 2005.)
- Article
Behavioral Hazard in Health Insurance
By: Katherine Baicker, Sendhil Mullainathan and Joshua Schwartzstein
A fundamental implication of standard moral hazard models is overuse of low-value medical care because copays are lower than costs. In these models, the demand curve alone can be used to make welfare statements, a fact relied on by much empirical work. There is ample... View Details
Baicker, Katherine, Sendhil Mullainathan, and Joshua Schwartzstein. "Behavioral Hazard in Health Insurance." Quarterly Journal of Economics 130, no. 4 (November 2015): 1623–1667. (Online Appendix.)
"Behavioral Hazard in Health Insurance"
A fundamental implication of standard moral hazard models is overuse of low-value medical care because copays are lower than costs. In these models, the demand curve alone can be used to make welfare statements, a fact relied on by much empirical work. There is... View Details
- 07 Nov 2007
- Op-Ed
How Marketing Hype Hurt Boeing and Apple
had already bought the iPhone. The moral of the story: Do not risk marketing hype unless you are sure of both your supply curve and your demand curve. Hype can hurt stock prices and investor confidence when expectations are not met. Join... View Details
- February 2021
- Tutorial
Assessing Prediction Accuracy of Machine Learning Models
By: Michael Toffel and Natalie Epstein
This video describes how to assess the accuracy of machine learning prediction models, primarily in the context of machine learning models that predict binary outcomes, such as logistic regression, random forest, or nearest neighbor models. After introducing and... View Details
- November 1990 (Revised June 1993)
- Background Note
Price-Quantity Determination
Examines the important economic considerations affecting a firm's price-quantity decision for a product. Begins with a discussion of the appropriate decision criterion. Next, it motivates the concept of a demand curve for a product and defines demand elasticity.... View Details
Dhebar, Anirudh S. "Price-Quantity Determination." Harvard Business School Background Note 191-093, November 1990. (Revised June 1993.)
- November 1976 (Revised January 1984)
- Case
Norton Co.: Strategic Planning for Diversified Business Operations
By: Francis Aguilar
Describes an elaborate approach to strategic planning for diversified business operations. Includes the use of the BCG experience curve and growth share matrices and of PIMS profit-factor data. (Both sets of ideas are described in appendices to the case.) Also... View Details
Keywords: Growth and Development Strategy; Strategic Planning; Diversification; Operations; Business Growth and Maturation; Business or Company Management; Resource Allocation
Aguilar, Francis. "Norton Co.: Strategic Planning for Diversified Business Operations." Harvard Business School Case 377-044, November 1976. (Revised January 1984.)
- November 2002 (Revised March 2010)
- Case
The Newsprint Industry
By: Ramon Casadesus-Masanell, Nabil I. Al-Najjar and James Pyke
Describes the 1990s consolidation on the newsprint industry. Questions whether consolidation will ever deliver on its promise. Whereas some industry observers maintain that the effects of consolidation are already visible, others argue that further consolidation is... View Details
Keywords: Five Forces Framework; Duopoly and Oligopoly; Monopoly; Mathematical Methods; Competition; Consolidation; Pulp and Paper Industry
Casadesus-Masanell, Ramon, Nabil I. Al-Najjar, and James Pyke. "The Newsprint Industry." Harvard Business School Case 703-404, November 2002. (Revised March 2010.)
- October 2022 (Revised June 2024)
- Case
Driving Decarbonization at BMW
The case describes BMW’s electrification and decarbonization strategy, and how the company measured carbon emissions throughout the life cycle of its vehicles and used tools like carbon abatement cost curves to evaluate decarbonization opportunities. In mid-2022,... View Details
Keywords: Decarbonization; Climate Change; Environment; Sustainability; Carbon Accounting; Carbon; Carbon Abatement; Electric Vehicles; Automobiles; Transportation; Environmental Accounting; Environmental Management; Environmental Sustainability; Accounting; Strategy; Technological Innovation; Supply Chain; Business and Stakeholder Relations; Transportation Industry; Auto Industry; Battery Industry; Germany; China; United States; Europe
Lu, Shirley, George Serafeim, and Michael W. Toffel. "Driving Decarbonization at BMW." Harvard Business School Case 123-008, October 2022. (Revised June 2024.)
- October 17, 2022
- Article
Relational Diversity in Social Portfolios Predicts Well-Being
By: Hanne K. Collins, Serena F. Hagerty, Jordi Quoidbach, Michael I. Norton and Alison Wood Brooks
We document a link between the relational diversity of one’s social portfolio—the richness and evenness of relationship types across one’s social interactions—and well-being. Across four distinct samples, respondents from the United States who completed a preregistered... View Details
Keywords: Social Interaction; Social Engagement; Well-being; Happiness; Social and Collaborative Networks; Family and Family Relationships
Collins, Hanne K., Serena F. Hagerty, Jordi Quoidbach, Michael I. Norton, and Alison Wood Brooks. "Relational Diversity in Social Portfolios Predicts Well-Being." Proceedings of the National Academy of Sciences 119, no. 43 (October 17, 2022).
- January 2013
- Case
Omidyar Network: Pioneering Impact Investment
By: Michael Chu and Lauren Barley
Omidyar Network, having deployed to date over $500 million in ways ranging from donations to commercial equity capital, must decide whether to back Anudip, an Indian organization dedicated to providing the rural unemployed and marginalized with livelihoods linked to... View Details
Keywords: Social Enterprise; Social Entrepreneurship; Investment; Philanthropy and Charitable Giving; India
Chu, Michael, and Lauren Barley. "Omidyar Network: Pioneering Impact Investment." Harvard Business School Case 313-090, January 2013.
- March 10, 2025
- Article
How Gen AI Could Change the Value of Expertise
By: Joseph Fuller, Matt Sigelman and Michael Fenlon
In the near future, gen AI is likely to affect some 50 million jobs, automating away elements of some jobs and augmenting workers’ abilities in others. The extent of those changes will compel companies to reshape their organizational structures and rethink their talent... View Details
Keywords: AI and Machine Learning; Job Cuts and Outsourcing; Organizational Structure; Talent and Talent Management; Personal Development and Career
Fuller, Joseph, Matt Sigelman, and Michael Fenlon. "How Gen AI Could Change the Value of Expertise." Harvard Business Review (website) (March 10, 2025).
- 20 Feb 2007
- First Look
First Look: February 20, 2007
Working PapersNone this week. Cases & Course MaterialsFemale Entrepreneurship in Developing Countries Harvard Business School Note 807-018 Examines the extent of and challenges facing female entrepreneurs in developing countries. There are higher rates of... View Details
Keywords: Martha Lagace
- July 11, 2024
- Article
Research: New Hires’ Psychological Safety Erodes Quickly
By: Derrick P. Bransby, Michael J. Kerrissey and Amy C. Edmondson
Across industries, from manufacturing to health care, the luxury of waiting years to benefit from new talent is long gone. Thriving in today’s dynamic economy means bringing new hires up the learning curve faster than ever. Yet, the authors’ latest research suggests... View Details
Bransby, Derrick P., Michael J. Kerrissey, and Amy C. Edmondson. "Research: New Hires’ Psychological Safety Erodes Quickly." Harvard Business Review Digital Articles (July 11, 2024).
- August 2023
- Case
Tenkara Outfitters
By: Christina Wallace, Jo Tango and Johnson Elugbadebo
After taking over from their parents, Sebastian Maxwell and Alexandra Ito, CEO and COO of Minnesota-based outdoor adventure brand Tenkara, must decide how they want to resource and grow this formerly family-run business. After outdoor activities exploded during the... View Details
Keywords: General Management; Innovation; Entrepreneurship; Innovation and Management; Family Business; Entrepreneurial Finance; Business Growth and Maturation
Wallace, Christina, Jo Tango, and Johnson Elugbadebo. "Tenkara Outfitters." Harvard Business School Case 824-003, August 2023.
- September 2009
- Article
A Detailed Analysis of the Reduction Mammaplasty Learning Curve: A Statistical Process Model for Approaching Surgical Performance Improvement
By: Matthew Carty MD, Rodney Chan, Robert S. Huckman, Daniel C. Snow and Dennis Orgill
Background: The increased focus on quality and efficiency improvement within academic surgery has met with variable success among plastic surgeons. Traditional surgical performance metrics, such as morbidity and mortality, are insufficient to improve the... View Details
Keywords: Experience and Expertise; Health Care and Treatment; Medical Specialties; Outcome or Result; Performance Efficiency; Performance Improvement
Carty, Matthew, MD, Rodney Chan, Robert S. Huckman, Daniel C. Snow, and Dennis Orgill. "A Detailed Analysis of the Reduction Mammaplasty Learning Curve: A Statistical Process Model for Approaching Surgical Performance Improvement." Plastic and Reconstructive Surgery 124, no. 3 (September 2009): 706–714.