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- All HBS Web (190)
- Faculty Publications (54)
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- All HBS Web (190)
- Faculty Publications (54)
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- April 2014
- Article
The Limits of Scale: Companies That Get Big Fast Are Often Left Behind. Here's Why.
By: Hanna Halaburda and Felix Oberholzer-Gee
The value of many products and services rises or falls with the number of customers using them; the fewer fax machines in use, the less important it is to have one. These network effects influence consumer decisions and affect companies' ability to compete. Strategists... View Details
Halaburda, Hanna, and Felix Oberholzer-Gee. "The Limits of Scale: Companies That Get Big Fast Are Often Left Behind. Here's Why." Harvard Business Review 92, no. 4 (April 2014): 95–99.
- 2024
- Chapter
The Regulation of Medical AI: Policy Approaches, Data, and Innovation Incentives
By: Ariel Dora Stern
For those who follow health and technology news, it is difficult to go more than a few days without reading about a compelling new application of Artificial Intelligence (AI) to health care. AI has myriad applications in medicine and its adjacent industries, with... View Details
Stern, Ariel Dora. "The Regulation of Medical AI: Policy Approaches, Data, and Innovation Incentives." Chap. 4 in The Economics of Artificial Intelligence: Health Care Challenges, edited by Ajay Agrawal, Joshua Gans, Avi Goldfarb, and Catherine E. Tucker, 107–138. Chicago and London: University of Chicago Press, 2024.
- November 2019
- Teaching Note
Actera Group: Investing in Mars Cinema Group (A) and (B)
By: Victoria Ivashina and Jeffrey Boyar
In summer of 2010, Murat Çavuşoğlu (HBS MBA 1994) led private equity firm Actera Group’s investment in Mars Cinema Group (Mars), the leading movie exhibitor in Turkey. Immediately after acquiring Mars and merging it with the second larger player in the market, AFM,... View Details
- September 2017
- Supplement
Actera Group: Investing in Mars Cinema Group (A)
By: Victoria Ivashina and Eren Kuzucu
In summer of 2010, Murat Çavuşoğlu (HBS MBA 1994) led private equity firm Actera Group’s investment in Mars Cinema Group (Mars), the leading movie exhibitor in Turkey. Immediately after acquiring Mars and merging it with the second larger player in the market, AFM,... View Details
- September 2017 (Revised July 2019)
- Case
Actera Group: Investing in Mars Cinema Group (A)
By: Victoria Ivashina and Eren Kuzucu
In summer of 2010, Murat Çavuşoğlu (HBS MBA 1994) led private equity firm Actera Group’s investment in Mars Cinema Group (Mars), the leading movie exhibitor in Turkey. Immediately after acquiring Mars and merging it with the second largest player in the market, AFM,... View Details
Keywords: Private Equity; Value Creation; Transformation; Valuation; Entertainment and Recreation Industry; Motion Pictures and Video Industry; Turkey
Ivashina, Victoria, and Eren Kuzucu. "Actera Group: Investing in Mars Cinema Group (A)." Harvard Business School Case 218-020, September 2017. (Revised July 2019.)
- September 2017
- Supplement
Actera Group: Investing in Mars Cinema Group (B)
By: Victoria Ivashina and Eren Kuzucu
In summer of 2010, Murat Çavuşoğlu (HBS MBA 1994) led private equity firm Actera Group’s investment in Mars Cinema Group (Mars), the leading movie exhibitor in Turkey. Immediately after acquiring Mars and merging it with the second larger player in the market, AFM,... View Details
- July 2023
- Case
HealthVerity: Real World Data and Evidence
By: Satish Tadikonda
Andrew Kress (CEO and founder) and his team had built a promising marketplace business at HealthVerity serving its core market in healthcare, with a focus on pharmaceutical R&D and services. Thus far, HealthVerity’s products had been unique to the pharma and pharma... View Details
Tadikonda, Satish. "HealthVerity: Real World Data and Evidence." Harvard Business School Case 824-019, July 2023.
- 2012
- Working Paper
Clusters, Convergence, and Economic Performance
By: Mercedes Delgado, Michael E. Porter and Scott Stern
This paper evaluates the role of regional cluster composition in the economic performance of industries, clusters, and regions. On the one hand, diminishing returns to specialization in a location can result in a convergence effect: the growth rate of an industry... View Details
Delgado, Mercedes, Michael E. Porter, and Scott Stern. "Clusters, Convergence, and Economic Performance." NBER Working Paper Series, No. 18250, July 2012.
- January 2017 (Revised April 2019)
- Case
The Olmos Project: Value Creation and Value Capture
By: John Macomber, Fernanda Miguel, Laura Urdapilleta and Valeria Moy
Private investment in public infrastructure can be encouraged when there are multiple avenues to capture and to share the value created by such a project. Gains in the market value of land adjacent to projects are not customarily channeled back into defraying the... View Details
Keywords: Value Capture; Infrastructure; Decision Making; Agribusiness; Value Creation; South America; Peru
Macomber, John, Fernanda Miguel, Laura Urdapilleta, and Valeria Moy. "The Olmos Project: Value Creation and Value Capture." Harvard Business School Case 217-052, January 2017. (Revised April 2019.)
- Research Summary
Managing Networked Businesses
Platform-based businesses that leverage network effects face a distinctive set of management challenges. A platform encompasses components and rules that facilitate interactions between the platform's users. A platform-based product or service exhibits a network... View Details
- January 2025 (Revised April 2025)
- Case
Duolingo: On a 'Streak'
By: Jeffrey F. Rayport, Nicole Tempest Keller and Nicole Luo
In December 2024, Severin Hacker, Co-Founder and Chief Technology Officer of Duolingo, reflected on the remarkable evolution of the language-learning app he helped launch in 2011. As the #1 most downloaded education app in the world, Duolingo had over 100 million... View Details
Keywords: Learning; AI and Machine Learning; Growth and Development Strategy; Motivation and Incentives; Diversification; Business Model; Market Entry and Exit; Technology Industry; Education Industry; United States
Rayport, Jeffrey F., Nicole Tempest Keller, and Nicole Luo. "Duolingo: On a 'Streak'." Harvard Business School Case 825-097, January 2025. (Revised April 2025.)
- December 2014
- Article
Clusters, Convergence, and Economic Performance
By: Mercedes Delgado, Michael E. Porter and Scott Stern
This paper evaluates the role of regional cluster composition in regional industry performance. On the one hand, diminishing returns to specialization in a location can result in a convergence effect: the growth rate of an industry within a region may be declining in... View Details
Delgado, Mercedes, Michael E. Porter, and Scott Stern. "Clusters, Convergence, and Economic Performance." Research Policy 43, no. 10 (December 2014): 1785–1799.
- 28 May 2024
- In Practice
Job Search Advice for a Tough Market: Think Broadly and Stay Flexible
expectations, things soon settled back down, and project volumes decreased. At the same time, adjacent industries like tech, venture capital and private equity also experienced slowdowns, which meant fewer consultants left their firms for... View Details
Keywords: by Rachel Layne
- 23 Jul 2001
- Research & Ideas
Sam Walton: Great From the Start
compound annual growth rate in sales of over 28 percent. He was the leading variety store operator in Arkansas, and probably in the adjacent states as well. And then, in a heartbeat, he lost everything. The problem was the lease Walton... View Details
- 06 Jun 2018
- Research & Ideas
Cut Salaries or Cut People? The Best Way to Survive a Downturn
agents at adjacent firms, competitive outside options abounded,” the study notes. The exit begins Once pay reductions were announced, “highly productive” workers, or those who took in 20 to 25 percent more revenue per call than average,... View Details
Keywords: by Rachel Layne
- 29 Jan 2018
- Book
How 'Teaming' Saved 33 Lives in the Chilean Mining Disaster
most obvious through the ventilation shaft, was quickly rendered impossible. The second strategy, drilling a new mine ramp, also soon proved impossible as the instability of the rock was discovered. The third, tunneling from an adjacent... View Details
- 10 Jan 2023
- Op-Ed
Time to Move On? Career Advice for Entrepreneurs Preparing for the Next Stage
table for you? Maybe you spent the last decade in e-commerce and you’d like to try an adjacent area like marketing technology or retail? What type of people do you prefer to not work with? For example, extroverts or introverts,... View Details
Keywords: by Julia Austin
- 10 Aug 2009
- Research & Ideas
High Commitment, High Performance Management
Merrill Lynch can in part be explained by the pursuit of profits for their own sake. HCHP firms, by contrast, grow by using their distinctive capabilities to move into adjacent markets, products and services, and geographies. Risk: HCHP... View Details
Keywords: by Martha Lagace
- 29 Jan 2024
- Research & Ideas
Do Disasters Rally Support for Climate Action? It's Complicated.
Environmental disasters like wildfires can ignite awareness of climate change and boost eco-friendly politicians’ careers. But do voters perceive a tradeoff between environmental policies and local economic growth? In Brazil, home to a majority of the Amazon tropical... View Details
Keywords: by Rachel Layne
- 2011
- Working Paper
How Foundations Think: The Ford Foundation as a Dominating Institution in the Field of American Business Schools
By: Rakesh Khurana, Kenneth Kimura and Marion Fourcade
The question of institutional change has become central to organizational research (Powell, 2008). Recent scholarship has demonstrated, often through carefully researched cases, that institutions can and sometimes do change. According to this research, there are two... View Details
Keywords: Change; Business Education; Business History; Organizations; Organizational Change and Adaptation; Organizational Structure; Relationships; Behavior
Khurana, Rakesh, Kenneth Kimura, and Marion Fourcade. "How Foundations Think: The Ford Foundation as a Dominating Institution in the Field of American Business Schools." Harvard Business School Working Paper, No. 11-070, January 2011.