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- All HBS Web
(2,249)
- People (7)
- News (591)
- Research (1,041)
- Events (7)
- Multimedia (1)
- Faculty Publications (572)
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- 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)
- November 2024
- Supplement
AlphaGo (C): Birth of a New Intelligence
By: Shikhar Ghosh and Shweta Bagai
This case, the final of a three-part series, explores DeepMind's pivotal transition from mastering games to solving real-world scientific challenges. In December 2020, DeepMind's AI system AlphaFold 2 achieved a breakthrough by solving protein folding—a 50-year-old... View Details
Keywords: Autonomy; Deep Learning; Drug Discovery; Healthcare Innovation; Neural Networks; Scientific Research; Technology Startup; AI and Machine Learning; Technological Innovation; Research and Development; Business Model; Business Strategy; Open Source Distribution; Technology Industry; United States
Ghosh, Shikhar, and Shweta Bagai. "AlphaGo (C): Birth of a New Intelligence." Harvard Business School Supplement 825-075, November 2024.
- 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.)
- 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)
- 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.)
- 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.)
- 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.
- 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.
- 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.)
- 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.
- 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.)
- 2008
- Working Paper
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: Asset Pricing; Investment Portfolio; Governing and Advisory Boards; Knowledge Sharing; Knowledge Use and Leverage; Social and Collaborative Networks; Financial Services Industry
Cohen, Lauren, Andrea Frazzini, and Christopher J. Malloy. "The Small World of Investing: Board Connections and Mutual Fund Returns." Harvard Business School Working Paper, No. 08-055, January 2008. (Winner of the Barclays Global Investors Award, Best Paper in Asset Pricing, European Finance Association 2007.)
- 12 Feb 2008
- Working Paper Summaries
The Small World of Investing: Board Connections and Mutual Fund Returns
- 31 Jan 2013
- Working Paper Summaries
Boardroom Centrality and Firm Performance
- June 2018
- Supplement
Valuing Snap After the IPO Quiet Period (C)
By: Marco Di Maggio, Benjamin C. Esty and Gregory Saldutte
Analyzes Snap’s value and analyst recommendations following the events described in the (B) case. View Details
Keywords: Sell-side Analysts; Underwriters; Investment Banking; Social Network; Discounted Cash Flow; Cost Of Capital; Conflicts Of Interest; Corporate Governance; Advertising; Quiet Period; Business Startups; Digital Marketing; Initial Public Offering; Information Infrastructure; Valuation; Venture Capital; Forecasting and Prediction; Social Media; Advertising Industry; Entertainment and Recreation Industry; Web Services Industry; United States; California
Di Maggio, Marco, Benjamin C. Esty, and Gregory Saldutte. "Valuing Snap After the IPO Quiet Period (C)." Harvard Business School Supplement 218-116, June 2018.
- October 2017 (Revised April 2019)
- Case
Data Breach at Equifax
By: Suraj Srinivasan, Quinn Pitcher and Jonah S. Goldberg
The case discusses the events leading up to the massive data breach at Equifax, one of the three U.S. credit reporting companies, the organizational and governance issues that contributed to the breach, and the consequences of the breach. The case supplement provides... View Details
Srinivasan, Suraj, Quinn Pitcher, and Jonah S. Goldberg. "Data Breach at Equifax." Harvard Business School Case 118-031, October 2017. (Revised April 2019.)
- September 1998 (Revised September 2001)
- Case
IBM's Reinventing Education (A)
Describes IBM's national innovation strategy to transform K-12 public education through new solutions developed by IBM engineers and consultants using information technology. Examples are: data warehousing in Broward County, FL schools, tracking software for the... View Details
Keywords: Social Enterprise; Innovation Strategy; Information Technology; Education; Business and Community Relations; Information Technology Industry; Information Technology Industry; San Jose; Philadelphia; Ohio; Florida
Kanter, Rosabeth M. "IBM's Reinventing Education (A)." Harvard Business School Case 399-008, September 1998. (Revised September 2001.)
- September 2019 (Revised September 2019)
- Case
Facebook Fake News in the Post-Truth World
By: John R. Wells, Carole A. Winkler and Benjamin Weinstock
In August 2019, Mark Zuckerberg, founder and CEO of Facebook, was surrounded by controversy. The first major storm of protest followed the surprise election of Donald Trump as President of the United States on November 8, 2016; many put the blame at the door of fake... 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; Applications and Software; Information Infrastructure; 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., Carole A. Winkler, and Benjamin Weinstock. "Facebook Fake News in the Post-Truth World." Harvard Business School Case 720-373, September 2019. (Revised September 2019.)
- 2013
- Article
Boardroom Centrality and Firm Performance
By: David F. Larcker, Eric C. So and Charles C.Y. Wang
Firms with central or well-connected boards of directors earn superior risk-adjusted stock returns. Initiating a long position in the most central firms and a short position in the least central firms earns an average risk-adjusted return of 4.68% per year. Firms with... View Details
Larcker, David F., Eric C. So, and Charles C.Y. Wang. "Boardroom Centrality and Firm Performance." Journal of Accounting & Economics 55, nos. 2-3 (April–May 2013): 225–250.