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Show Results For
- All HBS Web
(580)
- People (1)
- News (98)
- Research (365)
- Events (6)
- Multimedia (1)
- Faculty Publications (212)
- February 2021 (Revised March 2022)
- Case
TikTok in 2020: Super App or Supernova?
By: Jeffrey F. Rayport, Dan Maher and Dan O'Brien
TikTok’s parent company, ByteDance, was launched in 2012 around a simple idea – helping users entertain themselves on their smartphones while on the Beijing Subway. In less than a decade, it had become one of the world’s most valuable private companies, with investors... View Details
Keywords: Business Model; Business Startups; Business Organization; Change Management; Disruption; Cross-Cultural and Cross-Border Issues; Global Strategy; Health Pandemics; Innovation Strategy; Growth and Development Strategy; Growth Management; Brands and Branding; Marketing Strategy; Marketing Channels; Network Effects; Digital Platforms; Product Design; Product Development; Partners and Partnerships; Opportunities; Social Issues; Mobile and Wireless Technology; Internet and the Web; Value Creation; United States; China
Rayport, Jeffrey F., Dan Maher, and Dan O'Brien. "TikTok in 2020: Super App or Supernova?" Harvard Business School Case 821-087, February 2021. (Revised March 2022.)
- Article
Development of a Deep Learning Algorithm for Periapical Disease Detection in Dental Radiographs
By: Michael G. Endres, Florian Hillen, Marios Salloumis, Ahmad R. Sedaghat, Stefan M. Niehues, Olivia Quatela, Henning Hanken, Ralf Smeets, Benedicta Beck-Broichsitter, Carsten Rendenbach, Karim R. Lakhani, Max Helland and Robert A. Gaudin
Periapical radiolucencies, which can be detected on panoramic radiographs, are one of the most common radiographic findings in dentistry and have a differential diagnosis including infections, granuloma, cysts, and tumors. In this study, we seek to investigate the... View Details
Keywords: Artificial Intelligence; Diagnosis; Computer-assisted; Image Interpretation; Machine Learning; Radiography; Panoramic Radiograph; AI and Machine Learning
Endres, Michael G., Florian Hillen, Marios Salloumis, Ahmad R. Sedaghat, Stefan M. Niehues, Olivia Quatela, Henning Hanken, Ralf Smeets, Benedicta Beck-Broichsitter, Carsten Rendenbach, Karim R. Lakhani, Max Helland, and Robert A. Gaudin. "Development of a Deep Learning Algorithm for Periapical Disease Detection in Dental Radiographs." Diagnostics 10, no. 6 (June 2020).
- 2020
- Working Paper
Social Attachment to Place and Psychic Costs of Geographic Mobility: How Distance from Hometown and Vacation Flexibility Affect Job Performance
By: Prithwiraj Choudhury and Ohchan Kwon
Using a natural experiment and field interviews, this paper studies how social attachment to place imposes psychic costs on workers who experience geographic mobility. This is especially salient when workers are assigned to locations far from their hometown, which may... View Details
Keywords: Distance From Hometown; Social Attachment To Place; Psychic Costs; Worker Performance; Natural Experiment; Geographic Location; Familiarity; Employees; Performance; India
Choudhury, Prithwiraj, and Ohchan Kwon. "Social Attachment to Place and Psychic Costs of Geographic Mobility: How Distance from Hometown and Vacation Flexibility Affect Job Performance." Harvard Business School Working Paper, No. 19-010, August 2018. (Revised January 2020.)
Design and Analysis of Switchback Experiments
Switchback experiments, where a firm sequentially exposes an experimental unit to random treatments, are among the most prevalent designs used in the technology sector, with applications ranging from ride-hailing platforms to online marketplaces. Although... View Details
- 21 Feb 2012
- First Look
First Look: Feb. 21
its plans to develop radical innovation even when it thinks highly of the market potential for the radical innovation. The incumbent does so to avoid validating the high market potential to the entrant, who may otherwise be encouraged to... View Details
Keywords: Sean Silverthorne
- 30 Apr 2021
- Research & Ideas
Why Anger Makes a Wrongly Accused Person Look Guilty
accuses you of padding your resume or switching your sales numbers, although it’s totally valid to feel anger, it’s not a good idea to express it.” DeCelles adds, “When being accused, we know from other research that it is good to... View Details
Keywords: by Michael Blanding
- 17 Feb 2020
- Sharpening Your Skills
How Entrepreneurs Can Find the Right Problem to Solve
discovery work to validate the problem or their target customers. While gut feel or personal experience with a problem can be a strong signal there is a problem to solve, without proper product discovery work you won’t truly know if you... View Details
Keywords: by Julia Austin
- 22 May 2008
- Working Paper Summaries
Testing Strategy with Multiple Performance Measures Evidence from a Balanced Scorecard at Store24
- Working Paper
Visual Uniqueness in Peer-to-Peer Marketplaces: Machine Learning Model Development, Validation, and Application
By: Flora Feng, Charis Li and Shunyuan Zhang
Peer-to-peer (P2P) marketplaces have seen exponential growth in recent years featured by unique offerings from individual providers. Despite the perceived value of uniqueness, scalable quantification of visual uniqueness in P2P platforms like Airbnb has been largely... View Details
Keywords: Peer-to-peer Markets; Marketplace Matching; AI and Machine Learning; Demand and Consumers; Digital Platforms; Marketing
Feng, Flora, Charis Li, and Shunyuan Zhang. "Visual Uniqueness in Peer-to-Peer Marketplaces: Machine Learning Model Development, Validation, and Application." SSRN Working Paper Series, No. 4665286, February 2024.
- Article
The Effect of Background Music in Shark Documentaries on Viewers' Perceptions of Sharks
By: Andy Nosal, Elizabeth A. Keenan, Philip A. Hastings and Ayelet Gneezy
Despite the ongoing need for shark conservation and management, prevailing negative sentiments marginalize these animals and legitimize permissive exploitation. These negative attitudes arise from an instinctive yet exaggerated fear, which is validated and reinforced... View Details
Nosal, Andy, Elizabeth A. Keenan, Philip A. Hastings, and Ayelet Gneezy. "The Effect of Background Music in Shark Documentaries on Viewers' Perceptions of Sharks." PLoS ONE 11, no. 8 (August 2016).
- 2019
- Article
Can Big Data Improve Firm Decision Quality? The Role of Data Quality and Data Diagnosticity
By: Maryam Ghasemaghaei and Goran Calic
Anecdotal evidence suggests that, despite the large variety of data, the huge volume of generated data, and the fast velocity of obtaining data (i.e., big data), quality of big data is far from perfect. Therefore, many firms defer collecting and integrating big data as... View Details
Ghasemaghaei, Maryam, and Goran Calic. "Can Big Data Improve Firm Decision Quality? The Role of Data Quality and Data Diagnosticity." Decision Support Systems 120 (2019): 38–49.
- Article
Eliminating Unintended Bias in Personalized Policies Using Bias-Eliminating Adapted Trees (BEAT)
By: Eva Ascarza and Ayelet Israeli
An inherent risk of algorithmic personalization is disproportionate targeting of individuals from certain groups (or demographic characteristics such as gender or race), even when the decision maker does not intend to discriminate based on those “protected”... View Details
Keywords: Algorithm Bias; Personalization; Targeting; Generalized Random Forests (GRF); Discrimination; Customization and Personalization; Decision Making; Fairness; Mathematical Methods
Ascarza, Eva, and Ayelet Israeli. "Eliminating Unintended Bias in Personalized Policies Using Bias-Eliminating Adapted Trees (BEAT)." e2115126119. Proceedings of the National Academy of Sciences 119, no. 11 (March 8, 2022).
- Article
Third-party Punishment as a Costly Signal of Trustworthiness
By: Jillian J. Jordan, Moshe Hoffman, Paul Bloom and David G. Rand
Third-party punishment (TPP), in which unaffected observers punish selfishness, promotes cooperation by deterring defection. But why should individuals choose to bear the costs of punishing? We present a game theoretic model of TPP as a costly signal of... View Details
Jordan, Jillian J., Moshe Hoffman, Paul Bloom, and David G. Rand. "Third-party Punishment as a Costly Signal of Trustworthiness." Nature 530, no. 7591 (2016): 473–476.
- Article
Design and Testing of a Mobile Health Application Rating Tool
By: David Levine, Zo Co, Lisa Newmark, Alissa Groisser, A Jay Holmgren, Jennifer Haas and David Bates
Mobile health applications (“apps”) have rapidly proliferated, yet their ability to improve outcomes for patients remains unclear. A validated tool that addresses apps’ potentially important dimensions has not been available to patients and clinicians. The objective of... View Details
Levine, David, Zo Co, Lisa Newmark, Alissa Groisser, A Jay Holmgren, Jennifer Haas, and David Bates. "Design and Testing of a Mobile Health Application Rating Tool." Art. 74. npj Digital Medicine 3 (2020).
- 2022
- Article
Which Explanation Should I Choose? A Function Approximation Perspective to Characterizing Post hoc Explanations
By: Tessa Han, Suraj Srinivas and Himabindu Lakkaraju
A critical problem in the field of post hoc explainability is the lack of a common foundational goal among methods. For example, some methods are motivated by function approximation, some by game theoretic notions, and some by obtaining clean visualizations. This... View Details
Han, Tessa, Suraj Srinivas, and Himabindu Lakkaraju. "Which Explanation Should I Choose? A Function Approximation Perspective to Characterizing Post hoc Explanations." Advances in Neural Information Processing Systems (NeurIPS) (2022). (Best Paper Award, International Conference on Machine Learning (ICML) Workshop on Interpretable ML in Healthcare.)
- March 2013
- Case
An Entrepreneur's New Product Development Journey
By: Elie Ofek
This case tracks the new product development process undertaken by Gauri Nanda, the founder and CEO of Nanda Home, as she ventures to innovate beyond her initial product launches. Having achieved commercial success with her first product Clocky, a roll away alarm clock... View Details
Keywords: Entrepreneurship; Decision Making; Product Development; Manufacturing Industry; Consumer Products Industry
Ofek, Elie. "An Entrepreneur's New Product Development Journey." Harvard Business School Case 513-098, March 2013.
- 20 Jun 2023
- Research & Ideas
Looking to Leave a Mark? Memorable Leaders Don't Just Spout Statistics, They Tell Stories
Harvard Business School. People are more likely to recall information over a longer period when it’s wrapped in an anecdote as opposed to statistics, according to the study, “Stories, Statistics and Memory.” Graeber’s research validates... View Details
Keywords: by Scott Van Voorhis
- 2022
- Working Paper
When the Journey—And Not Just the Destination—Matters: How Internationalization Shapes Entrepreneurial Experimentation
By: Nataliya Langburd Wright and Laura Huang
Internationalization—gaining exposure to cross-border markets—is often the result of an entrepreneur’s experimentation and strategy around their core business. Scholars have shown how entrepreneurs develop products or services, and after achieving some traction, turn... View Details
- August 2019 (Revised April 2021)
- Case
Unifying Divisions: Joro's Mission to Preserve the Planet
By: Shikhar Ghosh and Marilyn Morgan Westner
The case focuses on the initial startup team and Founders’ agreements. In March 2018, Sanchali Pal proposed renegotiating the informal founders’ agreement and equity split she and her co-founders had drafted the previous spring. They had been working together for over... View Details
Keywords: Founders' Agreements; Business Startups; Climate Change; Agreements and Arrangements; Conflict Management
Ghosh, Shikhar, and Marilyn Morgan Westner. "Unifying Divisions: Joro's Mission to Preserve the Planet." Harvard Business School Case 820-032, August 2019. (Revised April 2021.)
- Web
Frequently Asked Questions - Doctoral
academic career. Am I required to take the GRE or GMAT? All applicants, regardless of background, are required to take either the General Test of the Graduate Record Examination (GRE) or the Graduate Management Admissions Test (GMAT). Submitted test scores are View Details