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- All HBS Web
(1,371)
- People (3)
- News (142)
- Research (1,055)
- Events (14)
- Multimedia (1)
- Faculty Publications (485)
- 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.
- 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.
- October 1997 (Revised June 1998)
- Case
Woolworths South Africa
By: David B. Yoffie and Anthony St. George
Woolworths South Africa is one of the most successful retail chains in the country, modeled on Marks and Spencer of the United Kingdom. This case focuses on the sources of Woolworth's competitive advantage within South Africa and the challenges of growth in the wake of... View Details
Keywords: Growth and Development Strategy; Competitive Strategy; Corporate Strategy; Growth Management; Global Strategy; Industry Structures; Marketing Strategy; Strategy; Business or Company Management; Retail Industry; South Africa
Yoffie, David B., and Anthony St. George. "Woolworths South Africa." Harvard Business School Case 798-026, October 1997. (Revised June 1998.)
- 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
Keywords: Talent and Talent Management; Employee Relationship Management; Working Conditions; Business or Company Management; Adaptation; Competition; Organizational Culture; Banking Industry; Turkey
Whillans, Ashley, and Nico Schaefer. "ING Türkiye: Flexible Work in a Competitive Banking Environment." Harvard Business School Case 925-027, March 2025. (Revised May 2025.)
- 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.)
- February 2010 (Revised March 2016)
- Background Note
Marketing Analysis Toolkit: Break-even Analysis
By: Thomas J. Steenburgh and Jill Avery
Marketing managers are often called upon to make recommendations for or against programs that cost money to implement. Before expenditures are made, managers want to be sure that they will be getting a return on their investment. One way of assessing this is by... View Details
Keywords: Decision Making; Investment Return; Spending; Management Analysis, Tools, and Techniques; Marketing Strategy; Strategic Planning; Mathematical Methods
Steenburgh, Thomas J., and Jill Avery. "Marketing Analysis Toolkit: Break-even Analysis." Harvard Business School Background Note 510-080, February 2010. (Revised March 2016.)
- 2008
- Working Paper
Opening Platforms: How, When and Why?
By: Thomas R. Eisenmann, Geoffrey Parker and Marshall Van Alstyne
Platform-mediated networks encompass several distinct types of participants, including end users, complementors, platform providers who facilitate users' access to complements, and sponsors who develop platform technologies. Each of these roles can be opened-that... View Details
Keywords: Decision Choices and Conditions; Governance Controls; Market Participation; Digital Platforms
Eisenmann, Thomas R., Geoffrey Parker, and Marshall Van Alstyne. "Opening Platforms: How, When and Why?" Harvard Business School Working Paper, No. 09-030, September 2008.
- 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.)
- 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
- 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.
- 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
- Research Summary
The Appropriability of Reputation in Franchises Selling Brands
We develop a multi-market model in which there are two kinds of firms: brands and small firms (or agents). Firms interact with short lived clients in the market for goods (or services) and with each other in the market for franchises. The model is one of adverse... View Details
- 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
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
- 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.