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Show Results For
- All HBS Web
(7,654)
- People (19)
- News (1,358)
- Research (5,284)
- Events (80)
- Multimedia (67)
- Faculty Publications (3,991)
- 06 May 2025
- Blog Post
The Incredible Land of Ice and Fire: Exploring Iceland's Renewable Energy Model for a Changing Planet
Climeworks’ newest and largest direct air capture and storage facility in the world, with a nameplate capacity of up to 36,000 tons of CO removed per year. Mammoth was inaugurated in May 2024 and is located within ON Power’s Geothermal Park. Climeworks’ business View Details
- Article
Counterfactual Explanations Can Be Manipulated
By: Dylan Slack, Sophie Hilgard, Himabindu Lakkaraju and Sameer Singh
Counterfactual explanations are useful for both generating recourse and auditing fairness between groups. We seek to understand whether adversaries can manipulate counterfactual explanations in an algorithmic recourse setting: if counterfactual explanations indicate... View Details
Slack, Dylan, Sophie Hilgard, Himabindu Lakkaraju, and Sameer Singh. "Counterfactual Explanations Can Be Manipulated." Advances in Neural Information Processing Systems (NeurIPS) 34 (2021).
- Article
Robust and Stable Black Box Explanations
By: Himabindu Lakkaraju, Nino Arsov and Osbert Bastani
As machine learning black boxes are increasingly being deployed in real-world applications, there
has been a growing interest in developing post hoc explanations that summarize the behaviors
of these black boxes. However, existing algorithms for generating such... View Details
Lakkaraju, Himabindu, Nino Arsov, and Osbert Bastani. "Robust and Stable Black Box Explanations." Proceedings of the International Conference on Machine Learning (ICML) 37th (2020): 5628–5638. (Published in PMLR, Vol. 119.)
- Article
Populism and the Return of the 'Paranoid Style': Some Evidence and a Simple Model of Demand for Incompetence as Insurance against Elite Betrayal
By: Rafael Di Tella and Julio J. Rotemberg
We present a simple model of populism as the rejection of “disloyal” leaders. We show that adding the assumption that people are worse off when they experience low income as a result of leader betrayal (than when it is the result of bad luck) to a simple voter choice... View Details
Di Tella, Rafael, and Julio J. Rotemberg. "Populism and the Return of the 'Paranoid Style': Some Evidence and a Simple Model of Demand for Incompetence as Insurance against Elite Betrayal." Journal of Comparative Economics 46, no. 4 (December 2018): 988–1005.
- spring 1983
- Article
A Financial Planning Model for an Analytic Review: The Case of a Savings and Loan Association
By: Robert S. Kaplan
Keywords: Finance; Planning; Financing and Loans; Saving; Financial Institutions; Financial Services Industry; Banking Industry
Kaplan, Robert S. "A Financial Planning Model for an Analytic Review: The Case of a Savings and Loan Association." Auditing (spring 1983): 52–65.
- August 1997 (Revised July 1999)
- Case
Hewlett-Packard's Santa Rosa Systems Division (A1): The Profiling Process and Creation of the Future Model
By: Michael Beer and Gregory C. Rogers
Supplements the (A) case. View Details
Keywords: Information Technology Industry
Beer, Michael, and Gregory C. Rogers. "Hewlett-Packard's Santa Rosa Systems Division (A1): The Profiling Process and Creation of the Future Model." Harvard Business School Case 498-012, August 1997. (Revised July 1999.)
- 2006
- Conference Paper
Modeling Repeated Play of the Prisoners' Dilemma with Reinforcement Learning over an Enriched Strategy Set
By: A. E. Roth and Ido Erev
- 2023
- Book
How the Harvard Business School Changed the Way We View Organizations
By: Jay W. Lorsch
The story of the field of organizational behavior (which overlaps considerably with the origin story of Harvard Business School) and how it created the “medical model” of systems thinking—anchored in the practices of listening, observing, testing, and only then... View Details
Keywords: Organizational Behavior; Systems Thinking; Medical Model; Organizations; Behavior; System; History
Lorsch, Jay W. How the Harvard Business School Changed the Way We View Organizations. Business Expert Press, 2023.
- December 2018 (Revised April 2020)
- Case
Fluidity: The Tokenization of Real Estate Assets
By: Marco Di Maggio, David Lane and Susie Ma
In December 2018, the blockchain startup Fluidity was about to participate in its first tokenization deal, which would create digital access to property rights in a 12-unit Manhattan condominium complex. The deal was proof-of-concept for Fluidity, which hoped to... View Details
Keywords: Blockchain; Tokenization; Data Security; Revenue Model; Finance; Technological Innovation; Strategy
Di Maggio, Marco, David Lane, and Susie Ma. "Fluidity: The Tokenization of Real Estate Assets." Harvard Business School Case 219-057, December 2018. (Revised April 2020.)
- October 2024
- Technical Note
Prompt Engineering
By: Michael Parzen and Jo Ellery
This note covers the basics of prompt engineering, a key tool for making use of modern generative AI. We discuss the principles of prompt engineering and illustrate these principles with techniques for asking questions. We further list the types of prompts that can be... View Details
Parzen, Michael, and Jo Ellery. "Prompt Engineering." Harvard Business School Technical Note 625-056, October 2024.
- 2025
- Working Paper
Narrative AI and the Human-AI Oversight Paradox in Evaluating Early-Stage Innovations
By: Jacqueline N. Lane, Léonard Boussioux, Charles Ayoubi, Ying Hao Chen, Camila Lin, Rebecca Spens, Pooja Wagh and Pei-Hsin Wang
Do AI-generated narrative explanations enhance human oversight or diminish it? We investigate this question through a field experiment with 228 evaluators screening 48 early-stage innovations under three conditions: human-only, black-box AI recommendations without... View Details
Lane, Jacqueline N., Léonard Boussioux, Charles Ayoubi, Ying Hao Chen, Camila Lin, Rebecca Spens, Pooja Wagh, and Pei-Hsin Wang. "Narrative AI and the Human-AI Oversight Paradox in Evaluating Early-Stage Innovations." Harvard Business School Working Paper, No. 25-001, August 2024. (Revised May 2025.)
- 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.
- March 2017 (Revised January 2018)
- Module Note
The Entrepreneurial Manager, Module 2 Part 2: Resourcing the Business Model – Team and Culture
By: Paul Gompers
- January 2022 (Revised September 2023)
- Case
Simplifyy
By: Paul A. Gompers and Alicia Dadlani
Jake Lisby, co-founder and CEO of Simplifyy, a property technology startup in Kansas City, Missouri, was both exhausted and exhilarated by the flurry of activity surrounding the pivot of the business model in late 2021. Simplifyy, a venture-backed PropTech company, was... View Details
Keywords: SaaS; SaaS Business Models; Business Model; Business Startups; Small Business; Geographic Location; Technological Innovation; Information Technology; Transformation; Problems and Challenges; Real Estate Industry; Information Technology Industry; United States; Missouri
Gompers, Paul A., and Alicia Dadlani. "Simplifyy." Harvard Business School Case 222-050, January 2022. (Revised September 2023.)
- September 2021
- Case
Worldreader: Helping Readers Build a Better World
By: Marco Bertini, Elie Ofek and Julia Kelley
Founded in 2010, Worldreader was an international nonprofit organization that promoted reading to children around the world. For many years, Worldreader distributed e-readers to under-resourced communities and funded its operations primarily through philanthropic... View Details
Keywords: Subscription Model; Price; Financial Strategy; Education; Early Childhood Education; Learning; Geography; Geographic Scope; Global Range; Goals and Objectives; Marketing; Marketing Strategy; Markets; Organizations; Mission and Purpose; Social Enterprise; Non-Governmental Organizations; Nonprofit Organizations; Society; Social Issues; Strategy; Commercialization; Expansion; Segmentation; Education Industry; Africa; Asia; Latin America; Europe; North and Central America; South America
Bertini, Marco, Elie Ofek, and Julia Kelley. "Worldreader: Helping Readers Build a Better World." Harvard Business School Case 522-003, September 2021.
- June 2002
- Article
A Model of (Often Mixed) Stereotype Content: Competence and Warmth Respectively Follow from Status and Competition
By: S.T. Fiske, A.J.C. Cuddy, P. Glick and J. Xu
Fiske, S.T., A.J.C. Cuddy, P. Glick, and J. Xu. "A Model of (Often Mixed) Stereotype Content: Competence and Warmth Respectively Follow from Status and Competition." Journal of Personality and Social Psychology 82, no. 6 (June 2002): 878–902.
- Article
Nice Work if You Can Get It: The Software Industry as a Model for Tomorrow's Jobs
By: R. M. Kanter
Kanter, R. M. "Nice Work if You Can Get It: The Software Industry as a Model for Tomorrow's Jobs." American Prospect, no. 23 (Fall 1995): 52–58.
- March 2022 (Revised January 2025)
- Technical Note
Linear Regression
This note provides an overview of linear regression for an introductory data science course. It begins with a discussion of correlation, and explains why correlation does not necessarily imply causation. The note then describes the method of least squares, and how to... View Details
Keywords: Data Science; Linear Regression; Mathematical Modeling; Mathematical Methods; Analytics and Data Science
Bojinov, Iavor I., Michael Parzen, and Paul Hamilton. "Linear Regression." Harvard Business School Technical Note 622-100, March 2022. (Revised January 2025.)