Strategy
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- April 2025
- Case
#FutureFresenius: Implementing a New Strategy to Transform the Company and Advance Patient Care
By: David J. Collis, Benjamin C. Esty and Haisley WertIn February 2024, Fresenius CEO Michael Sen reflected on the company’s transformation journey from his office in Bad Homburg, Germany. With revenues of 22 billion and a mission to advance patient care, Fresenius had built a strong reputation through decades of acquisitions and dividend growth. However, between 2017 and 2022, the company’s share price dropped over 70% as financial and operational performance sharply declined. When Sen became CEO in October 2022, he recognized the need for a fundamental reset. In response, Sen and the leadership team launched #FutureFresenius, a bold transformation plan that began with changes to the company’s structure, portfolio, and financial framework. By early 2024, key structural changes were in motion, and momentum was building. Looking ahead, the turnaround required deeper cultural shifts and further development of the company’s target operating models. Sen believed in the progress made but faced a critical question: Was Fresenius executing the transformation in the right sequence, at the right speed, and with the right priorities to ensure long-term success? This case study examines the challenges of corporate transformation, the role of leadership in driving change, and the importance of aligning stakeholders in a high-stakes turnaround.
- April 2025
- Case
#FutureFresenius: Implementing a New Strategy to Transform the Company and Advance Patient Care
By: David J. Collis, Benjamin C. Esty and Haisley WertIn February 2024, Fresenius CEO Michael Sen reflected on the company’s transformation journey from his office in Bad Homburg, Germany. With revenues of 22 billion and a mission to advance patient care, Fresenius had built a strong reputation through decades of acquisitions and dividend growth. However, between 2017 and 2022, the company’s share...
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- 2025
- Working Paper
Prices and Concentration: A U-shape? Theory and Evidence from Renewables
By: Michele Fioretti, Junnan He and Jorge TamayoWe show that when firms compete via supply functions, transferring high-cost capacity to the largest, most efficient firm—thereby diversifying its production technologies while increasing concentration—can lower prices by prompting the leader to expand output and competitors to aggressively defend market shares. However, large transfers prove anticompetitive, as sizable capacity differences discourage price undercutting. Exploiting renewable intermittencies in Colombia’s electricity market, where firms are technology-diversified, we consistently find a U-shape relationship between prices and concentration. Counterfactually reallocating 30% of competitors’ high-cost capacities to the leader cuts prices 10%, while larger transfers raise them, revealing how capacity and efficiency influence market power.
- 2025
- Working Paper
Prices and Concentration: A U-shape? Theory and Evidence from Renewables
By: Michele Fioretti, Junnan He and Jorge TamayoWe show that when firms compete via supply functions, transferring high-cost capacity to the largest, most efficient firm—thereby diversifying its production technologies while increasing concentration—can lower prices by prompting the leader to expand output and competitors to aggressively defend market shares. However, large transfers prove...
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- April 2025
- Case
Netflix in 2024
By: Jan Rivkin and David AllenIn 2024, Netflix appeared to emerge victorious from the “streaming wars” that it had waged in recent years with the likes of Disney, Warner Bros. Discovery, Apple, and Amazon. What had allowed Netflix not only to succeed in the streaming wars but also to thrive for decades in the face of a series of technological changes? And what must the company do to meet the threats and opportunities that lay ahead?
- April 2025
- Case
Netflix in 2024
By: Jan Rivkin and David AllenIn 2024, Netflix appeared to emerge victorious from the “streaming wars” that it had waged in recent years with the likes of Disney, Warner Bros. Discovery, Apple, and Amazon. What had allowed Netflix not only to succeed in the streaming wars but also to thrive for decades in the face of a series of technological changes? And what must the company...
About the Unit
The Strategy unit studies firms as competitors in an economic landscape. Key issues include: the development and effectiveness of firm strategy at both a business and corporate level; the analysis of the competitive environment; and the sustainability of strategy over time.
Our research, course development, and teaching draws on multiple disciplines, including economics, sociology, and political science, and focuses on both domestic and global competition. The objective of the work is to generate findings and develop concepts that will help managers improve their strategic decisions while advancing the state of knowledge in the academic study of strategy and related disciplines.
Recent Publications
Aramco: Navigating the Energy Transition
- April 2025 |
- Teaching Note |
- Faculty Research
ZEISS: Commercializing Science
- April 2025 |
- Teaching Note |
- Faculty Research
#FutureFresenius: 'Committed to Life' in 2024 and Beyond (B)
- April 2025 |
- Supplement |
- Faculty Research
#FutureFresenius: Implementing a New Strategy to Transform the Company and Advance Patient Care
- April 2025 |
- Case |
- Faculty Research
Prices and Concentration: A U-shape? Theory and Evidence from Renewables
- 2025 |
- Working Paper |
- Faculty Research
What IKEA Do We Want?
- April 2025 |
- Teaching Note |
- Faculty Research
Netflix in 2024
- April 2025 |
- Case |
- Faculty Research
Training Within Firms
- 2025 |
- Working Paper |
- Faculty Research