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Show Results For
- All HBS Web
(3,562)
- People (13)
- News (886)
- Research (2,019)
- Events (33)
- Multimedia (3)
- Faculty Publications (810)
- 2019
- Working Paper
Machine Learning Approaches to Facial and Text Analysis: Discovering CEO Oral Communication Styles
By: Prithwiraj Choudhury, Dan Wang, Natalie A. Carlson and Tarun Khanna
We demonstrate how a novel synthesis of three methods—(1) unsupervised topic modeling of text data to generate new measures of textual variance, (2) sentiment analysis of text data, and (3) supervised ML coding of facial images with a cutting-edge convolutional neural... View Details
Choudhury, Prithwiraj, Dan Wang, Natalie A. Carlson, and Tarun Khanna. "Machine Learning Approaches to Facial and Text Analysis: Discovering CEO Oral Communication Styles." Harvard Business School Working Paper, No. 18-064, January 2018. (Revised May 2019.)
Disagreement after News: Gradual Information Diffusion or Differences of Opinion?
This paper explores the long-standing empirical fact of increased trading volume around news releases through the lens of canonical models of gradual information diffusion and differences of opinion. I use a unique dataset of clicks on news by key finance... View Details
- Program
Real Estate Management Program
immersive experience where every aspect of the learning model has been carefully designed to facilitate your growth. Your learning will take place on your own, in your living group, and in the larger classroom, driven by the renowned HBS... View Details
- 10 Sep 2020
- Blog Post
Founding a Company at the Intersection of Medicine and Technology
Paxton Maeder-York is a proud member of the MBA class of 2019, Section G. He deferred between his RC and EC years to complete an additional master’s degree in Computational Science. Having studied Biomedical Engineering as an... View Details
- August 2018 (Revised June 2025)
- Case
Facebook—Can Ethics Scale in the Digital Age?
By: George A. Riedel and Carin-Isabel Knoop
Since its founding in 2004, Facebook has built a phenomenally successful business at global scale to become the fifth most valuable public company in the world. The revelation of Cambridge Analytica events in March 2018, where 78 million users' information was leaked... View Details
Keywords: Facebook; Ethics; Corporate Social Responsibility and Impact; Business and Stakeholder Relations; Trust; Business Model; Corporate Accountability; Social Media
Riedel, George A., and Carin-Isabel Knoop. "Facebook—Can Ethics Scale in the Digital Age?" Harvard Business School Case 319-030, August 2018. (Revised June 2025.)
- Teaching Interest
Data Science and AI for Leaders
By: Dennis Campbell
Modern business increasingly relies... View Details
- 2023
- Working Paper
Spatial Mobility, Economic Opportunity, and Crime
By: Gaurav Khanna, Carlos Medina, Anant Nyshadham, Daniel Ramos-Menchelli, Jorge Tamayo and Audrey Tiew
Neighborhoods are strong determinants of both economic opportunity and criminal activity. Does improving connectedness between segregated and unequal parts of a city predominantly import opportunity or export crime? We use a spatial general equilibrium framework to... View Details
Keywords: Urban Transit Infrastructure; Crime; Spatial Equilibrium; Urban Development; Transportation Networks; Crime and Corruption; Transportation Industry; Medellín; Colombia; South America
Khanna, Gaurav, Carlos Medina, Anant Nyshadham, Daniel Ramos-Menchelli, Jorge Tamayo, and Audrey Tiew. "Spatial Mobility, Economic Opportunity, and Crime." Harvard Business School Working Paper, No. 24-016, September 2023. (R&R American Economic Review.)
- Article
Machine Learning Approaches to Facial and Text Analysis: Discovering CEO Oral Communication Styles
By: Prithwiraj Choudhury, Dan Wang, Natalie A. Carlson and Tarun Khanna
We demonstrate how a novel synthesis of three methods—(1) unsupervised topic modeling of text data to generate new measures of textual variance, (2) sentiment analysis of text data, and (3) supervised ML coding of facial images with a cutting-edge convolutional neural... View Details
Keywords: CEOs; Communication Style; Machine Learning; Spoken Communication; Nonverbal Communication; Personal Characteristics; Analysis; Performance
Choudhury, Prithwiraj, Dan Wang, Natalie A. Carlson, and Tarun Khanna. "Machine Learning Approaches to Facial and Text Analysis: Discovering CEO Oral Communication Styles." Strategic Management Journal 40, no. 11 (November 2019): 1705–1732.
- 2004
- Article
Sources of Structural Inequality in Managerial Labor Markets
By: Rakesh Khurana and Mikolaj Jan Piskorski
This article proposes two mechanisms that allow actors to obtain unearned advantages in labor markets. The first mechanism is consistent with collusive closure arguments. However, it questions the assumption that those who seek to benefit from collusive closure will... View Details
Khurana, Rakesh, and Mikolaj Jan Piskorski. "Sources of Structural Inequality in Managerial Labor Markets." Research in Social Stratification and Mobility 21 (2004): 169–187.
- June 2005 (Revised May 2006)
- Case
Covisint (A): The Evolution of a B2B Marketplace
By: Lynda M. Applegate and Elizabeth Collins
Ford Motor Co., General Motors, and DaimlerChrysler--the three original equipment manufacturers (OEMs) that dominated the automotive industry throughout the 20th century--launched Covisint in February 2000 as an industry supply chain exchange that would drive out cost... View Details
Keywords: Business Model; Supply Chain Management; Business Startups; Management Teams; Manufacturing Industry; Auto Industry; United States
Applegate, Lynda M., and Elizabeth Collins. "Covisint (A): The Evolution of a B2B Marketplace." Harvard Business School Case 805-110, June 2005. (Revised May 2006.)
- Article
Detecting Adversarial Attacks via Subset Scanning of Autoencoder Activations and Reconstruction Error
By: Celia Cintas, Skyler Speakman, Victor Akinwande, William Ogallo, Komminist Weldemariam, Srihari Sridharan and Edward McFowland III
Reliably detecting attacks in a given set of inputs is of high practical relevance because of the vulnerability of neural networks to adversarial examples. These altered inputs create a security risk in applications with real-world consequences, such as self-driving... View Details
Keywords: Autoencoder Networks; Pattern Detection; Subset Scanning; Computer Vision; Statistical Methods And Machine Learning; Machine Learning; Deep Learning; Data Mining; Big Data; Large-scale Systems; Mathematical Methods; Analytics and Data Science
Cintas, Celia, Skyler Speakman, Victor Akinwande, William Ogallo, Komminist Weldemariam, Srihari Sridharan, and Edward McFowland III. "Detecting Adversarial Attacks via Subset Scanning of Autoencoder Activations and Reconstruction Error." Proceedings of the International Joint Conference on Artificial Intelligence 29th (2020).
- January 2015
- Article
Competing with Privacy
By: Ramon Casadesus-Masanell and Andres Hervas-Drane
We analyze the implications of consumer privacy for competition in the marketplace. We consider a market where firms set prices and disclosure levels for consumer information, and consumers observe both before deciding which firm to patronize and how much information... View Details
Keywords: Information Acquisition; Information Disclosure; Online Privacy; Privacy Regulation; Information; Rights; Internet and the Web; Competition; Internet and the Web; Corporate Disclosure; Ethics; Knowledge Acquisition
Casadesus-Masanell, Ramon, and Andres Hervas-Drane. "Competing with Privacy." Management Science 61, no. 1 (January 2015): 229–246.
- September 2011
- Module Note
Orientation to Leadership Intelligence Days, 2011
By: Joshua D. Margolis and Anthony J. Mayo
Julie Bornstein, senior vice president of Sephora Direct, is seeking to double her budget for social media and other digital marketing initiatives for 2011. A number of digital efforts implemented in the past two years seem to be bearing fruit and there is a desire to... View Details
Keywords: Budgets and Budgeting; Borrowing and Debt; Investment Return; Resource Allocation; Marketing Communications; Marketing Strategy; Consumer Behavior; Online Technology; Beauty and Cosmetics Industry
Margolis, Joshua D., and Anthony J. Mayo. "Orientation to Leadership Intelligence Days, 2011." Harvard Business School Module Note 412-057, September 2011.
- March 1996 (Revised February 1999)
- Case
Vistakon: 1 Day Acuvue Disposable Contact Lenses
By: Alvin J. Silk, Bruce Issacson and Marie Bell
Vistakon, an independent and entrepreneurial subsidiary of Johnson & Johnson, pioneered the production and marketing of disposable contact lenses with the 1987 launch of Acuvue, the first disposable extended-wear lens--a soft contact lens that patients wear for a... View Details
Keywords: Advertising Campaigns; Business Subsidiaries; Business Startups; Corporate Entrepreneurship; Price; Risk Management; Marketing; Product Positioning; Production; Performance Effectiveness; Consumer Products Industry; United States
Silk, Alvin J., Bruce Issacson, and Marie Bell. "Vistakon: 1 Day Acuvue Disposable Contact Lenses." Harvard Business School Case 596-087, March 1996. (Revised February 1999.)
- 15 Feb 2017
- Op-Ed
What Africa Can Teach the United States About Funding Infrastructure Projects
the great cities of America. But there will likely be massive arguments about how to raise the money and how to invest it. The solution may lie in finance models that have proven successful in several nations across the Atlantic Ocean—not... View Details
- 20 Oct 2014
- Research & Ideas
Users Love Ello, But What’s the Business Model?
Edward W. Carter Professor of Business Administration, provide insights into the next generation of social networks, and what kind of network they'd build with unlimited funding. Q: How native is advertising to the social media space? Is... View Details
- March–April 2024
- Article
Retailers and Health Systems Can Improve Care Together
By: Robert S. Huckman, Vivian S. Lee and Bradley R Staats
Health systems are struggling to address the many shortcomings of health care delivery: rapidly growing costs, inconsistent quality, and inadequate and unequal access to primary and other types of care. However, if retailers and health systems were to form strong... View Details
Keywords: Health Care; Retail; Retailers; Consumer; Health Care and Treatment; Value; Consumer Behavior; Business Model; Partners and Partnerships; Health Industry; Retail Industry; United States
Huckman, Robert S., Vivian S. Lee, and Bradley R Staats. "Retailers and Health Systems Can Improve Care Together." Harvard Business Review 102, no. 2 (March–April 2024): 120–127.
- 16 Nov 2016
- HBS Seminar
Ben Shiller, Brandeis University
- 2016
- Working Paper
The Empirical Economics of Online Attention
By: Andre Boik, Shane Greenstein and Jeffrey Prince
In several markets, firms compete not for consumer expenditure but instead for consumer attention. We model and characterize how households allocate their scarce attention in arguably the largest market for attention: the Internet. Our characterization of household... View Details
Keywords: Internet and the Web; Competition; Behavior; Resource Allocation; Household; Cognition and Thinking
Boik, Andre, Shane Greenstein, and Jeffrey Prince. "The Empirical Economics of Online Attention." NBER Working Paper Series, No. 22427, July 2016.
- Web
Faculty & Research
Disruptive Innovations." Harvard Business School Background Note 526-002, July 2025. Using Gen AI for Early-Stage Market Research By: James Brand, Ayelet Israeli and Donald Ngwe July 18, 2025 | Article | Harvard Business Review (website) View Details