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Show Results For
- All HBS Web
(2,145)
- People (7)
- News (576)
- Research (1,029)
- Events (6)
- Multimedia (1)
- Faculty Publications (558)
- July 2006
- Article
Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows
By: Ramon Casadesus-Masanell and Pankaj Ghemawat
This paper analyzes a dynamic mixed duopoly in which a profit-maximizing competitor interacts with a competitor that prices at zero (or marginal cost), with the cumulation of output affecting their relative positions over time. The modeling effort is motivated by... View Details
Keywords: Open Source Software; Demand-side Learning; Network Effects; Linux; Mixed Duopoly; Competitive Dynamics; Business Models; Duopoly and Oligopoly; Information Technology; Applications and Software; Business Model; Mathematical Methods; Digital Platforms; Profit; Balance and Stability; Management Analysis, Tools, and Techniques; SWOT Analysis; Competition; Price; Information Technology Industry
Casadesus-Masanell, Ramon, and Pankaj Ghemawat. "Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows." Management Science 52, no. 7 (July 2006): 1072–1084.
- November 2021
- Article
Ratings, Reviews, and the Marketing of New Products
By: Itay P. Fainmesser, Dominique Olié Lauga and Elie Ofek
We study how user-generated content (UGC) about new products impacts a firm's advertising and pricing decisions and the effect on profits and market dynamics. We construct a two-period model where consumers value quality and are heterogeneous in their taste for the new... View Details
Keywords: Online Reviews; Product Ratings; Social Networks; Word Of Mouth; Pricing; User-generated Content; Advertising; Product Marketing; Price; Consumer Behavior; Product Positioning; Social Media
Fainmesser, Itay P., Dominique Olié Lauga, and Elie Ofek. "Ratings, Reviews, and the Marketing of New Products." Management Science 67, no. 11 (November 2021): 7023–7045.
- March 2017 (Revised September 2017)
- Case
Facebook Fake News in the Post-Truth World
By: John R. Wells and Carole A. Winkler
In January 2017, Mark Zuckerberg, founder and CEO of Facebook, was surrounded by controversy. The election of Donald Trump as the next president of the United States in November 2016 had triggered a national storm of protests, and many attributed Trump’s victory to... View Details
Keywords: Facebook; Fake News; Mark Zuckerberg; Donald Trump; Algorithms; Social Networks; Partisanship; Social Media; App Development; Instagram; WhatsApp; Smartphone; Silicon Valley; Office Space; Digital Strategy; Democracy; Entry Barriers; Online Platforms; Controversy; Tencent; Agility; Social Networking; Gaming; Gaming Industry; Computer Games; Mobile Gaming; Messaging; Monetization Strategy; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Growth and Maturation; Business Headquarters; Business Organization; For-Profit Firms; Trends; Communication; Communication Technology; Forms of Communication; Interactive Communication; Interpersonal Communication; Talent and Talent Management; Crime and Corruption; Voting; Demographics; Entertainment; Games, Gaming, and Gambling; Moral Sensibility; Values and Beliefs; Initial Public Offering; Profit; Revenue; Geography; Geographic Location; Global Range; Local Range; Country; Cross-Cultural and Cross-Border Issues; Globalized Firms and Management; Globalized Markets and Industries; Governing Rules, Regulations, and Reforms; Government and Politics; International Relations; National Security; Political Elections; Business History; Recruitment; Selection and Staffing; Information Management; Information Publishing; News; Newspapers; Innovation and Management; Innovation Strategy; Technological Innovation; Knowledge Dissemination; Human Capital; Law; Leadership Development; Leadership Style; Leading Change; Business or Company Management; Crisis Management; Goals and Objectives; Growth and Development Strategy; Growth Management; Management Practices and Processes; Management Style; Management Systems; Management Teams; Managerial Roles; Marketing Channels; Social Marketing; Network Effects; Market Entry and Exit; Digital Platforms; Marketplace Matching; Industry Growth; Industry Structures; Monopoly; Media; Product Development; Service Delivery; Corporate Social Responsibility and Impact; Mission and Purpose; Organizational Change and Adaptation; Organizational Culture; Organizational Structure; Public Ownership; Problems and Challenges; Business and Community Relations; Business and Government Relations; Groups and Teams; Networks; Rank and Position; Opportunities; Behavior; Emotions; Identity; Power and Influence; Prejudice and Bias; Reputation; Social and Collaborative Networks; Status and Position; Trust; Society; Civil Society or Community; Culture; Public Opinion; Social Issues; Societal Protocols; Strategy; Adaptation; Business Strategy; Commercialization; Competition; Competitive Advantage; Competitive Strategy; Corporate Strategy; Customization and Personalization; Diversification; Expansion; Horizontal Integration; Segmentation; Information Technology; Internet and the Web; Mobile and Wireless Technology; Internet and the Web; Applications and Software; Information Infrastructure; Digital Platforms; Internet and the Web; Mobile and Wireless Technology; Valuation; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; United States; California; Sunnyvale; Russia
Wells, John R., and Carole A. Winkler. "Facebook Fake News in the Post-Truth World." Harvard Business School Case 717-473, March 2017. (Revised September 2017.)
- July 13, 2023
- Article
Threads Foreshadows a Big—and Surprising—Shift in Social Media
By: Scott Duke Kominers and Liang Wu
Threads, Meta’s Twitter competitor, has become the fastest downloaded app in history. One of the reasons for this is because it allows users to port over their profiles and follows from the already popular social media platform Instagram, also owned by Meta—a feature... View Details
Keywords: Decentralization; Twitter; Facebook; Instagram; Crypto Economy; Blockchain; Network; Industrial Organization; Competition; Open Innovation; Open Platforms; Open Source Innovation; Social Networks; Social Media; Applications and Software; Information Technology Industry
Kominers, Scott Duke, and Liang Wu. "Threads Foreshadows a Big—and Surprising—Shift in Social Media." Harvard Business Review Digital Articles (July 13, 2023).
- September 2017
- Case
Tencent
By: John R. Wells and Gabriel Ellsworth
Tencent had undergone many transformations since it was founded in 1998 as a simple messaging service. In 2017, it was the largest online games provider in China with a wide range of game types, China’s largest social networking service provider with several of the... View Details
Keywords: Tencent; Tencent Holdings; WeChat; Social Networking; Social Networks; Gaming; Gaming Industry; Video Games; Computer Games; Mobile Gaming; Portals; Payments; Mobile Payments; O2O; Online-to-offline; E-commerce; Messaging; Subscription Model; Freemium; Mobile App Industry; Smartphone; PC; Monetization Strategy; Antitrust; Streaming; Cloud Computing; Artificial Intelligence; Big Data; Alibaba; Facebook; JD.com; Tesla; Bundling; Synergies; Digital Strategy; Imitation; Licensing; Agility; Entry Barriers; Online Platforms; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Conglomerates; Business Units; Business Growth and Maturation; Business Organization; For-Profit Firms; Joint Ventures; Restructuring; Communication; Communication Technology; Blogs; Interactive Communication; Interpersonal Communication; Entertainment; Film Entertainment; Games, Gaming, and Gambling; Music Entertainment; Investment; Investment Portfolio; Price; Profit; Revenue; Geographic Scope; Cross-Cultural and Cross-Border Issues; Global Strategy; Multinational Firms and Management; Globalized Markets and Industries; Business History; Innovation Strategy; Technological Innovation; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Product Positioning; Social Marketing; Network Effects; Emerging Markets; Market Entry and Exit; Digital Platforms; Industry Growth; Monopoly; Media; Distribution Channels; Product Development; Service Delivery; Organizational Change and Adaptation; Organizational Structure; Public Ownership; Problems and Challenges; Business and Government Relations; Groups and Teams; Networks; Opportunities; Social and Collaborative Networks; Strategy; Adaptation; Business Strategy; Commercialization; Competition; Competitive Advantage; Competitive Strategy; Cooperation; Corporate Strategy; Diversification; Expansion; Horizontal Integration; Vertical Integration; Segmentation; Information Technology; Internet and the Web; Mobile and Wireless Technology; Internet and the Web; Applications and Software; Information Infrastructure; Digital Platforms; Internet and the Web; Mobile and Wireless Technology; Value Creation; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Asia; China; Canton (province, China)
Wells, John R., and Gabriel Ellsworth. "Tencent." Harvard Business School Case 718-426, September 2017.
- 24 Mar 2015
- News
See Your Company Through the Eyes of a Hacker
- 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).
- December 2018
- Case
Choosy
By: Jeffrey J. Bussgang and Julia Kelley
Founded in 2017, Choosy is a data-driven fashion startup that uses algorithms to identify styles trending on social media. After manufacturing similar items using a China-based supply chain, Choosy sells them to consumers through its website and social media pages.... View Details
Keywords: Artificial Intelligence; Algorithms; Machine Learning; Neural Networks; Instagram; Influencer; Fast Fashion; Design; Customer Satisfaction; Customer Focus and Relationships; Decision Making; Cost vs Benefits; Innovation and Invention; Brands and Branding; Product Positioning; Demand and Consumers; Supply Chain; Production; Logistics; Business Model; Expansion; Internet and the Web; Mobile and Wireless Technology; Digital Platforms; Social Media; Technology Industry; Fashion Industry; North and Central America; United States; New York (state, US); New York (city, NY)
- 2020
- Working Paper
Machine Learning for Pattern Discovery in Management Research
Supervised machine learning (ML) methods are a powerful toolkit for discovering robust patterns in quantitative data. The patterns identified by ML could be used as an observation for further inductive or abductive research, but should not be treated as the result of a... View Details
Keywords: Machine Learning; Theory Building; Induction; Decision Trees; Random Forests; K-nearest Neighbors; Neural Network; P-hacking; Analytics and Data Science; Analysis
Choudhury, Prithwiraj, Ryan Allen, and Michael G. Endres. "Machine Learning for Pattern Discovery in Management Research." Harvard Business School Working Paper, No. 19-032, September 2018. (Revised June 2020.)
- February 2019 (Revised June 2019)
- Case
Where to Grow Next at Online Marketplace OLX
By: Thales Teixeira, Leandro A. Guissoni and Samy Dana
The CEO of OLX Brazil, an online classifieds platform business, is debating among multiple paths to grow sustainably (i.e., profitably) without the need for investor money. The options under consideration are (1) penetration growth by focusing on the core, (2) new... View Details
Keywords: Online Marketplace; Growth; Customer Acquisition; Facebook; Two-sided Network; E-commerce; Classifieds; Naspers; Schibsted; Innovation; Startup; Digital Platforms; Internet and the Web; Growth and Development Strategy; Business Model; Innovation and Invention; Business Startups; Decision Choices and Conditions; Brazil
Teixeira, Thales, Leandro A. Guissoni, and Samy Dana. "Where to Grow Next at Online Marketplace OLX." Harvard Business School Case 519-064, February 2019. (Revised June 2019.)
- November 2017
- Teaching Note
Facebook Fake News in the Post-Truth World
By: John R. Wells and Gabriel Ellsworth
Teaching Note for HBS No. 717-473.
In January 2017, Mark Zuckerberg, founder and CEO of Facebook, was surrounded by controversy. The election of Donald Trump as the next president of the United States in November 2016 had triggered a national storm of protests, and... View Details
Keywords: Facebook; Fake News; Mark Zuckerberg; Donald Trump; Algorithms; Social Networking; Social Networks; Partisanship; Social Media; App Development; Instagram; WhatsApp; Smartphone; Silicon Valley; Office Space; Digital Strategy; Democracy; Entry Barriers; Online Platforms; Controversy; Tencent; Agility; Gaming; Gaming Industry; Computer Games; Mobile Gaming; Messaging; Monetization Strategy; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Growth and Maturation; Business Headquarters; Business Organization; For-Profit Firms; Trends; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; United States; California; Sunnyvale; Russia
- November 2017
- Teaching Note
Tencent
By: John R. Wells and Gabriel Ellsworth
Teaching Note for HBS No. 718-426.
Tencent had undergone many transformations since it was founded in 1998 as a simple messaging service. In 2017, it was the largest online games provider in China with a wide range of game types, China’s largest social networking... View Details
Keywords: Tencent; Tencent Holdings; WeChat; Social Networking; Social Networks; Gaming; Gaming Industry; Video Games; Computer Games; Mobile Gaming; Portals; Payments; Mobile Payments; O2O; Online-to-offline; E-commerce; Messaging; Subscription Model; Freemium; Mobile App Industry; Smartphone; PC; Monetization Strategy; Antitrust; Streaming; Cloud Computing; Artificial Intelligence; Big Data; Alibaba; Facebook; JD.com; Tesla; Bundling; Synergies; Digital Strategy; Imitation; Licensing; Agility; Entry Barriers; Online Platforms; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Conglomerates; Business Growth and Maturation; Business Organization; For-Profit Firms; Joint Ventures; Restructuring; Communication Technology; Blogs; Interactive Communication; Interpersonal Communication; Entertainment; Film Entertainment; Games, Gaming, and Gambling; Music Entertainment; Investment; Investment Portfolio; Price; Revenue; Geographic Scope; Cross-Cultural and Cross-Border Issues; Global Strategy; Multinational Firms and Management; Globalized Markets and Industries; Business History; Innovation Strategy; Technological Innovation; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Product Positioning; Social Marketing; Network Effects; Market Entry and Exit; Digital Platforms; Industry Growth; Monopoly; Media; Distribution Channels; Service Delivery; Organizational Change and Adaptation; Organizational Structure; Public Ownership; Problems and Challenges; Business and Government Relations; Groups and Teams; Networks; Opportunities; Social and Collaborative Networks; Strategy; Adaptation; Business Strategy; Commercialization; Competition; Competitive Advantage; Competitive Strategy; Cooperation; Corporate Strategy; Diversification; Expansion; Horizontal Integration; Vertical Integration; Information Technology; Internet and the Web; Mobile and Wireless Technology; Applications and Software; Information Infrastructure; Value Creation; Emerging Markets; Product Development; Segmentation; Business Units; Communication; Profit; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Information Industry; Asia; China; Canton (province, China)
- 2013
- Working Paper
Separating Homophily and Peer Influence with Latent Space
By: Joseph P. Davin, Sunil Gupta and Mikolaj Jan Piskorski
We study the impact of peer behavior on the adoption of mobile apps in a social network. To identify social influence properly, we introduce latent space as an approach to control for latent homophily, the idea that "birds of a feather flock together." In a series of... View Details
Keywords: Social Influence; Social Network; Mobile App; Peer Effects; Latent Homophily; Latent Space; Proxy Variables; Familiarity; Behavior; Consumer Behavior; Applications and Software; Social and Collaborative Networks; Mobile and Wireless Technology; Power and Influence; Social Media
Davin, Joseph P., Sunil Gupta, and Mikolaj Jan Piskorski. "Separating Homophily and Peer Influence with Latent Space." Harvard Business School Working Paper, No. 14-053, January 2014.
- October 2017 (Revised January 2018)
- Case
Bitfury: Blockchain for Government
By: Mitchell Weiss and Elena Corsi
In the Republic of Georgia, legend had it their land was a precious gift from God he had intended to keep for his mother. But over time, the land had been under intermittent threat from without and within. In 2017, the Bitfury Group, which Valery Vavilov had... View Details
Keywords: Blockchain; Bitcoin; Cryptocurrency; Public Entrepreneurship; Public Innovation; Government Innovation; Property Rights; Property Registry; Technology Strategy; Distributed Networks; Entrepreneurship; Public Sector; Innovation and Invention; Technology Adoption; Business and Government Relations; Technology Industry; Real Estate Industry; Public Administration Industry; Georgia (nation, Asia); Tbilisi
Weiss, Mitchell, and Elena Corsi. "Bitfury: Blockchain for Government." Harvard Business School Case 818-031, October 2017. (Revised January 2018.)
- Awards
INGRoup Outstanding Conference Paper Award
Winner of the 2014 INGRoup Outstanding Conference Paper Award from the Interdisciplinary Network for Group Research for "Facts and Figuring: An Experimental Investigation of Network Structure and Performance in... View Details
- Article
How Smart, Connected Products Are Transforming Competition
By: Michael E. Porter and James E. Heppelmann
Information technology is revolutionizing products. Once composed solely of mechanical and electrical parts, products have become complex systems that combine hardware, sensors, data storage, microprocessors, software, and connectivity in myriad ways. These "smart,... View Details
Keywords: Strategy; Competition; Information Technology; Transformation; Information Technology Industry
Porter, Michael E., and James E. Heppelmann. "How Smart, Connected Products Are Transforming Competition." Harvard Business Review 92, no. 11 (November 2014): 64–88.
- October 2008
- Article
The Small World of Investing: Board Connections and Mutual Fund Returns
By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy
This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details
Keywords: Financial Markets; Information Management; Social and Collaborative Networks; Announcements; Investment Portfolio; Investment Return; Investment Funds; Asset Pricing; Governing and Advisory Boards
Cohen, Lauren, Andrea Frazzini, and Christopher J. Malloy. "The Small World of Investing: Board Connections and Mutual Fund Returns." Journal of Political Economy 116, no. 5 (October 2008): 951–979. (Winner of the Barclays Global Investors Award, Best Paper in Asset Pricing, European Finance Association 2007.)
- September 2006 (Revised October 2007)
- Module Note
Platform-Mediated Networks: Definitions and Core Concepts
Defines platform-mediated networks and introduces concepts central to their study. First, it defines networks and network effects; explains how network effects influence users' willingness-to-pay for network access; describes factors that determine the strength of... View Details
Keywords: Consumer Behavior; Network Effects; Digital Platforms; Information Technology; Information Infrastructure; Digital Platforms
Eisenmann, Thomas R. "Platform-Mediated Networks: Definitions and Core Concepts." Harvard Business School Module Note 807-049, September 2006. (Revised October 2007.)
- 12 Feb 2008
- Working Paper Summaries
The Small World of Investing: Board Connections and Mutual Fund Returns
- Article
Embeddedness and New Idea Discussion in Professional Networks: The Mediating Role of Affect-Based Trust
By: Roy Y.J. Chua, M.W. Morris and P. Ingram
This article examines how managers' tendency to discuss new ideas with others in their professional networks depends on the density of shared ties surrounding a given relationship. Consistent with prior research which found that embeddedness enhances information flow,... View Details
Chua, Roy Y.J., M.W. Morris, and P. Ingram. "Embeddedness and New Idea Discussion in Professional Networks: The Mediating Role of Affect-Based Trust." Journal of Creative Behavior 44, no. 2 (June 2010): 85–104.