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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 Wert
In 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... View Details
- March 2025
- Article
Optimal Illiquidity
By: John Beshears, James J. Choi, Christopher Clayton, Christopher Harris, David Laibson and Brigitte C. Madrian
We study the socially optimal level of illiquidity in an economy populated by households with taste shocks and present bias with naive beliefs. The government chooses mandatory contributions to accounts, each with a different pre-retirement withdrawal penalty.... View Details
- January 2025
- Article
Automatic Enrollment with a 12% Default Contribution Rate
By: John Beshears, Ruofei Guo, David Laibson, Brigitte C. Madrian and James J. Choi
We study a retirement savings plan with a default contribution rate of 12% of income, which is much higher than previously studied defaults. Twenty-five percent of employees had not opted out of this default 12 months after hire; a literature review finds that the... View Details
- January 2025 (Revised April 2025)
- Case
Less Is More: Will Aldi's Expansion Plans Pay Off in a Crowded U.S. Grocery Market?
By: David Collis and Haisley Wert
In 2024, the discount grocery retailer Aldi announced bold U.S. expansion plans. Within five years, the German company would increase its store count by 30% to reach 3,200+ stores across the United States and approach becoming the fifth largest grocery retailer in the... View Details
- September–October 2024
- Article
Why Multibusiness Strategies Fail and How to Make Them Succeed
By: Bharat Anand and David J. Collis
Enterprises that own multiple businesses often have a flawed approach to strategy: They focus too much on the makeup of their portfolios and too little on enhancing the businesses in them.
Strategies for adding value to a corporation’s businesses fall on a... View Details
Strategies for adding value to a corporation’s businesses fall on a... View Details
- August 2024
- Module Note
Mastering the Complete Strategy Landscape
By: David J. Collis
As CEO, whether of a large established firm or an entrepreneurial startup, you have the responsibility to craft a strategy capable of creating, capturing, and realizing value. And yet, too often, the holistic perspective required to integrate those discrete tasks gets... View Details
- August 2024
- Article
Partisans neither Expect nor Receive Reputational Rewards for Sharing Falsehoods over Truth Online.
By: Isaias Ghezae, Jillian J. Jordan, Izzy Gainsburg, Mohsen Mosleh, Gordon Pennycook, Robb Willer and David Rand
A frequently invoked explanation for the sharing of false over true political information is that partisans are motivated by their reputations. In particular, it is often argued that by indiscriminately sharing news that is favorable to one’s political party,... View Details
- 2024
- Working Paper
Smaller than We Thought? The Effect of Automatic Savings Policies
By: James J. Choi, David Laibson, Jordan Cammarota, Richard Lombardo and John Beshears
Medium- and long-run dynamics undermine the effect of automatic enrollment and default savings-rate auto-escalation on retirement savings. Our analysis of 401(k) plans incorporates the facts that employees frequently leave firms (often before matching contributions... View Details
- July 2024
- Module Note
Organization: Managing the Corporation
By: David J. Collis
Ongoing management of the corporate portfolio is critical to realizing value in diversified companies. This requires designing and administering structures, systems, and processes appropriate for the set of businesses and the resources that underpin value creation... View Details
- July 2024
- Module Note
The Scope of the Corporation
By: David J. Collis
Every company, regardless of size or configuration, has to make decisions about the appropriate scope of its operations. In fact, the issue is so fundamental that Ronald Coase won the Nobel Prize in Economics for merely asking the question, “what determines the scope... View Details
- June 2024
- Module Note
Assets, Resources, and Capabilities
By: David J. Collis
This module note explores why we need to study resources, what resources are, how we know they are valuable, and what a resource-based strategy requires. View Details
Keywords: Corporate Strategy
- June 2024
- Module Note
Value Creation Potential of New Business Models
By: David J. Collis
A business model is composed of three elements. These describe a generic way of creating value and identify the maximum potential value of that model for customers. The elements of a business model are the “job to be done” for the customer, the asset configuration, or... View Details
- 2024
- Working Paper
Does Pension Automatic Enrollment Increase Debt? Evidence from a Large-Scale Natural Experiment
By: John Beshears, Matthew Blakstad, James J. Choi, Christopher Firth, John Gathergood, David Laibson, Richard Notley, Jesal D. Sheth, Will Sandbrook and Neil Stewart
Does automatic enrollment into retirement saving increase household debt? We study the randomized roll-out of automatic enrollment pensions to ~160,000 employers in the United Kingdom with 2-29 employees. We find that the additional savings generated through automatic... View Details
- February 2024
- Case
More than Optics: Olympus's Vision to Become a Leading Global MedTech Company
By: David J. Collis and Haisley Wert
In August 2022, CEO Yasuo Takeuchi reflected on Olympus Corporation’s recent transformation from being known as a Japanese consumer camera company to becoming a leading global medical technology (MedTech) company. Over the past dozen years, Takeuchi and prior... View Details
- October 2023
- Case
To Fizzle Out or Heat Up? PepsiCo and Coca-Cola’s SodaStream and Costa Coffee Acquisitions
By: David Collis and Haisley Wert
U.S. beverage giants PepsiCo and Coca-Cola shared many similarities by August 2018—both were founded by pharmacists in the 1890s, grew to offer hundreds of drink brands, and championed rival flagship products that drove loyalists into taste-testing wars. That month,... View Details
- June 2023
- Teaching Note
Komatsu and Smart Construction
By: David J. Collis
Teaching Note for HBS Case No. 521-042. The case describes the introduction by Komatsu, the Japanese earth moving equipment manufacturer, of a new business model—Smart Construction. This replaces the one-time sale of a capital good with a software platform that... View Details
- June 2023 (Revised January 2024)
- Case
Siemens AG: A Private Equity Approach within an Industrial Corporation?
By: David J. Collis and Haisley Wert
In July 2022, Horst Kayser, Chairman of Siemens AG Portfolio Companies (POC), was reflecting on the advice he could offer Roland Busch, Chief Executive Officer of the parent company Siemens AG, about whether and how to operate a private equity-like approach inside the... View Details
- May 2023
- Teaching Note
Nasty Gals Do It Better
By: David J. Collis
Teaching Note for HBS Case No. 715-412. View Details
- 2023
- Article
A Randomized Trial of Behavioral Nudges Delivered through Text Messages to Increase Influenza Vaccination among Patients with an Upcoming Primary Care Visit
By: Mitesh S. Patel, Katherine L. Milkman, Linnea Gandhi, Heather N. Graci, Dena Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Jake Rothschild, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Seung Hyeong Lee, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth
Purpose: To evaluate if nudges delivered by text message prior to an upcoming primary care visit can increase influenza vaccination rates.
Design: Randomized, controlled trial.
Setting: Two health systems in the Northeastern US between September 2020 and... View Details
Design: Randomized, controlled trial.
Setting: Two health systems in the Northeastern US between September 2020 and... View Details
- February 2023
- Article
Homophily and Acrophily as Drivers of Political Segregation
By: Amit Goldenberg, Joseph M. Abruzzo, Zi Huang, Jonas Schone, David Bailey, Robb Willer, Eran Halperin and James J. Gross
Political segregation is an important social problem, increasing polarization and impeding effective governance. Previous work has viewed the central driver of segregation to be political homophily, the tendency to associate with others who have similar views. Here we... View Details