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- All HBS Web
(1,368)
- People (3)
- News (142)
- Research (1,054)
- Events (14)
- Multimedia (1)
- Faculty Publications (482)
- 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; Communications Industry; Entertainment and Recreation Industry; Financial Services Industry; Information Industry; Information Technology Industry; Media and Broadcasting Industry; Motion Pictures and Video Industry; Music Industry; Service Industry; Technology Industry; Telecommunications Industry; Video Game Industry; Web Services Industry; Asia; China; Canton (province, China)
Wells, John R., and Gabriel Ellsworth. "Tencent." Harvard Business School Case 718-426, September 2017.
- October 2007 (Revised May 2008)
- Case
Transforming Korea Inc: Financial Crisis and Institutional Reform
By: Laura Alfaro and Renee Kim
South Korea, as one of the Asian "tiger" economies, transformed itself into the world's 11th largest economy and major exporter by 1996, emerging from being one of the lowest income countries in the region back in the 1960s. Yet one year later in 1997, Korea was swept... View Details
Keywords: Development Economics; Financial Crisis; Governing Rules, Regulations, and Reforms; Business and Government Relations; South Korea
Alfaro, Laura, and Renee Kim. "Transforming Korea Inc: Financial Crisis and Institutional Reform." Harvard Business School Case 708-007, October 2007. (Revised May 2008.)
- 07 Jul 2008
- Research & Ideas
Innovation Corrupted: How Managers Can Avoid Another Enron
the rewards were great. This initial success prompted Enron to extrapolate its business model to other markets. In 1994, Enron officials started trading wholesale electricity after Congress deregulated the industry; Enron analysts... View Details
- January 2014 (Revised October 2014)
- Case
Andreessen Horowitz
By: Thomas R. Eisenmann and Liz Kind
Andreessen Horowitz (a16z), a venture capital firm launched in 2009, has quickly broken into the VC industry's top ranks, in terms of its ability to invest in Silicon Valley's most promising startups. The case recounts the firm's history; describes its co-founders'... View Details
Keywords: Business Model; Venture Capital; Disruption; Entrepreneurship; Industry Structures; Financial Services Industry; California
Eisenmann, Thomas R., and Liz Kind. "Andreessen Horowitz." Harvard Business School Case 814-060, January 2014. (Revised October 2014.)
- January 2025
- Case
Real Madrid Club de Fútbol
By: Anita Elberse, Juan Pasquín and Íñigo Pasquín
On June 1, 2024, Spanish soccer club Real Madrid captures its fifteenth Champions League title—more than double the tally of the nearest competitor. Under Florentino Pérez’s leadership, the club has now won six of the last eleven UEFA Champions League titles, and has... View Details
Keywords: Soccer; Football; Entertainment; Media; Talent Management; Superstars; General Management; Sports; Marketing; Recruitment; Competitive Strategy; Growth and Development Strategy; Sports Industry; Entertainment and Recreation Industry; Media and Broadcasting Industry
Elberse, Anita, Juan Pasquín, and Íñigo Pasquín. "Real Madrid Club de Fútbol." Harvard Business School Case 525-026, January 2025.
- February 2023
- Case
Enstitute
By: Lindsay N. Hyde, Thomas R. Eisenmann, Kumba Sennaar and Sarah Mehta
Shaila Ittycheria (MBA ’10) founded the nonprofit organization Enstitute, in 2012 in New York City. Determined to challenge the status quo within higher education, Shaila and her cofounder sought to expand opportunities for talented young people by placing them in... View Details
Keywords: Social Entrepreneurship; Operations; Business Startups; Business Growth and Maturation; Education Industry; Employment Industry; United States
Hyde, Lindsay N., Thomas R. Eisenmann, Kumba Sennaar, and Sarah Mehta. "Enstitute." Harvard Business School Case 823-008, February 2023.
- July 2008
- Case
eHarmony
By: Mikolaj Jan Piskorski, Hanna Halaburda and Troy Smith
eHarmony's CEO needs to decide how to react to imitations of its business model, encroachment by competing models, and ascendance of free substitutes. The case provides four options to address these threats and asks students to choose one after they analyzed the... View Details
Keywords: Business Model; Decision Choices and Conditions; Growth and Development Strategy; Industry Structures; Competitive Strategy; Competitive Advantage; Service Industry
Piskorski, Mikolaj Jan, Hanna Halaburda, and Troy Smith. "eHarmony." Harvard Business School Case 709-424, July 2008.
- January 2025
- Article
Overcoming Barriers to Employee Ownership: Insights from Small and Medium-Sized Businesses
By: John Guzek and Ashley Whillans
This research investigates the limited adoption of employee stock ownership plans (ESOPs) among small-to-medium sized businesses (SMBs) in the U.S. Through interviews with 30 SMB owners across various industries, we identify the key barriers to ESOP adoption as lack of... View Details
Keywords: Profit Sharing; Employee Ownership; Management Practices and Processes; Compensation and Benefits; Small Business; Adoption; Employees
Guzek, John, and Ashley Whillans. "Overcoming Barriers to Employee Ownership: Insights from Small and Medium-Sized Businesses." Compensation & Benefits Review 57, no. 1 (January 2025): 64–81.
- 2021
- Working Paper
Closing Costs, Refinancing, and Inefficiencies in the Mortgage Market
By: David Hao Zhang
In the US, borrowers often finance the price of mortgage origination by agreeing to higher mortgage rates for a given principal amount. I show that for standard fixed-rate, prepayable mortgages this contractual feature has two consequences. First, it leads to increased... View Details
- Article
Delayed-Response Strategies in Repeated Games with Observation Lags
By: Drew Fudenberg, Yuhta Ishii and Scott Duke Kominers
We extend the folk theorem of repeated games to two settings in which players' information about others' play arrives with stochastic lags. In our first model, signals are almost-perfect if and when they do arrive, that is, each player either observes an almost-perfect... View Details
Fudenberg, Drew, Yuhta Ishii, and Scott Duke Kominers. "Delayed-Response Strategies in Repeated Games with Observation Lags." Journal of Economic Theory 150 (March 2014): 487–514.
- Research Summary
Time Varying Expected Returns, Stochastic Dividend Yields, and Default Probabilities: Linking the Credit Risk and Equity Literature (with George Chacko and Jens Hilscher)
In standard structural bond pricing models, the firm defaults once the market value of assets has fallen below a threshold. Expected returns, or at least dividend yields, are assumed to be constant, which implies that any asset value movement is permanent and has the... View Details
- Article
Strong Leadership and Teamwork Drive Culture and Performance Change: Ohio State University Medical Center 2000–2006
By: Leonard A. Schlesinger, Fred Sanfilippo, Neeli Bendapudi and Anthony Rucci
Several characteristics of academic health centers have the potential to create high levels of internal conflict and misalignment that can pose significant leadership challenges.
In September 2000, the positions of Ohio State University (OSU) senior vice... View Details
Keywords: Employee Relationship Management; Customer Value and Value Chain; Organizational Structure; Performance Improvement; Customer Satisfaction; Organizational Change and Adaptation; Leading Change; Service Delivery; Satisfaction; Health Care and Treatment; Health Industry; Ohio
Schlesinger, Leonard A., Fred Sanfilippo, Neeli Bendapudi, and Anthony Rucci. "Strong Leadership and Teamwork Drive Culture and Performance Change: Ohio State University Medical Center 2000–2006." Academic Medicine 83, no. 9 (September 2008).
- April 2023
- Article
The Real Exchange Rate, Innovation and Productivity
By: Laura Alfaro, Alejandro Cuñat, Harald Fadinger and Yanping Liu
We evaluate manufacturing firms' responses to changes in the real exchange rate (RER) using detailed firm-level data for a large set of countries for the period 2001-2010. We uncover the following stylized facts about regional variation of manufacturing firms'... View Details
Keywords: Real Exchange Rate; Firm Level Data; Innovation; Productivity; Exporting; Importing; Credit Constraints; Currency Exchange Rate; Innovation and Invention; Performance Productivity
Alfaro, Laura, Alejandro Cuñat, Harald Fadinger, and Yanping Liu. "The Real Exchange Rate, Innovation and Productivity." Journal of the European Economic Association 21, no. 2 (April 2023): 637–689.
- Research Summary
Do Vertical Mergers facilitate Collusion?
Joint work with Volker Nocke, University of Pennsylvania In this paper we investigate the impact of vertical mergers on upstream firms' ability to sustain collusion. We show in a number of models that the net effect of vertical integration is to facilitate... View Details
- Article
Ensembles of Overfit and Overconfident Forecasts
By: Y. Grushka-Cockayne, V.R.R. Jose and K. C. Lichtendahl
Firms today average forecasts collected from multiple experts and models. Because of cognitive biases, strategic incentives, or the structure of machine-learning algorithms, these forecasts are often overfit to sample data and are overconfident. Little is known about... View Details
Grushka-Cockayne, Y., V.R.R. Jose, and K. C. Lichtendahl. "Ensembles of Overfit and Overconfident Forecasts." Management Science 63, no. 4 (April 2017): 1110–1130.
- June 2017
- Case
Veolia: Resourcing the World
By: Gautam Ahuja, Tarun Khanna, Kristina Maslauskaite and Vincent Dessain
In March 2016, Antoine Frérot, CEO of Veolia, a global environmental services provider, was undergoing an important transformation of the company. In 2013, Frérot presented a growth strategy that focused on increasing the share of industrial clients, enhancing growth... View Details
Keywords: Strategy; Circular; Emerging Markets; Organizational Change and Adaptation; Growth and Development Strategy; Economy
Ahuja, Gautam, Tarun Khanna, Kristina Maslauskaite, and Vincent Dessain. "Veolia: Resourcing the World." Harvard Business School Case 717-505, June 2017.
Cognizant 2.0: Embedding Community and Knowledge Into Work Processes
Knowledge management has been a high priority for Cognizant Technology Solutions since its inception since its global delivery model requires the global sharing of knowledge. Its first major tool was called the Knowledge Management Appliance but as Web 2.0 tools came... View Details
- Article
The Global Rise of Democracy: A Network Account
By: Magnus Thor Torfason and Paul Ingram
We examine the influence of an interstate network created by intergovernmental organizations (IGOs) on the global diffusion of democracy. We propose that IGOs facilitate this diffusion by transmitting information between their member states and by interpreting that... View Details
Keywords: International Relations; Networks; Society; Transformation; Power and Influence; Country; Globalization
Torfason, Magnus Thor, and Paul Ingram. "The Global Rise of Democracy: A Network Account." American Sociological Review 75, no. 3 (June 2010): 355–77.
- March 2025 (Revised May 2025)
- Case
ING Türkiye: Flexible Work in a Competitive Banking Environment
By: Ashley Whillans and Nico Schaefer
This case explores ING Türkiye’s journey toward workplace flexibility within the traditionally conservative Turkish banking sector. Beginning with early remote work experiments in 2015 and culminating in the FlexING model, by 2024 ING Türkiye had positioned itself as a... View Details
- June 2024
- Article
Redistributive Allocation Mechanisms
By: Mohammad Akbarpour, Piotr Dworczak and Scott Duke Kominers
Many scarce public resources are allocated at below-market-clearing prices, and sometimes for free. Such "non-market" mechanisms sacrifice some surplus, yet they can potentially improve equity. We develop a model of mechanism design with redistributive concerns. Agents... View Details
Akbarpour, Mohammad, Piotr Dworczak, and Scott Duke Kominers. "Redistributive Allocation Mechanisms." Journal of Political Economy 132, no. 6 (June 2024): 1831–1875. (Authors' names are in certified random order.)