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- 2021
- Working Paper
How Much Should We Trust Staggered Difference-In-Differences Estimates?
By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang
Difference-in-differences analysis with staggered treatment timing is frequently used to assess the impact of policy changes on corporate outcomes in academic research. However, recent advances in econometric theory show that such designs are likely to be biased in the... View Details
- March 2021
- Article
Provider Teams Outperform Solo Providers in Managing Chronic Diseases and Could Improve the Value of Care
By: Maximilian J. Pany, Lucy Chen, Bethany Sheridan and Robert S. Huckman
Scope-of-practice regulations, including prescribing limits and supervision requirements, may influence the propensity of providers to form care teams. Therefore, policy makers need to understand the effect of both team-based care and provider type on clinical... View Details
- February 2021 (Revised June 2023)
- Case
Henry Ford: Changing the World
By: Robert Simons and Max Saffer
This case traces the rise of Henry Ford from a small farm in Michigan to the controlling shareholder of the Ford Motor Company. The case describes how Ford, as young man, acquired engineering skills and the risks he took as he built and marketed one of the first... View Details
- February 2021 (Revised September 2022)
- Case
Marie Curie: Changing the World
By: Robert Simons and Shirley Sun
This case describes the rise of Marie Curie from a poor family in Poland to the pinnacle of scientific fame. The case describes how Curie, as a young woman interested in science, found a way to earn a doctorate at the Sorbonne and perform pathbreaking research on... View Details
- February 2021
- Case
New England Baptist Hospital: Getting Paid for Value
By: Robert S. Kaplan, Mary Witkowski, Toby E. Emanuel and Syed S. Shehab
New England Baptist Hospital (NEBH), a national leader in adult orthopedic care, has the lowest rate of complications and 30-day readmissions in New England, but gets paid 30% less for its surgeries than nearby institutions. NEBH introduces, with several large... View Details
- February 2021
- Case
Enterprise Agility at Komerční Banka
By: Euvin Naidoo, Suraj Srinivasan and Sarah Gulick
In 2017, Jan Juchelka, the new CEO of Komerční Banka, identified the need for the bank to start an enterprise wide agile transformation. He started by working to create a sense of urgency to kick-start a process to enable the level of service delivery to customers he... View Details
- February 2021 (Revised July 2022)
- Case
Sarah Breedlove: Changing the World
By: Robert Simons and Max Saffer
This case describes the rise of Sarah Breedlove, who later called herself Madam C.J. Walker, from the cotton fields of Louisiana to the head of a successful, nationwide beauty company providing opportunity and hair care products to Black women. The case describes how... View Details
- February 2021 (Revised March 2025)
- Case
Walt Disney: Changing the World
By: Robert Simons and Shirley Sun
This case describes the rise of Walt Disney, founder of the worldwide entertainment company. The case describes how Disney, as a young artist, created memorable figures such as Mickey Mouse and went on to produce Academy-award-winning films and build the world’s most... View Details
- 2021
- Working Paper
Consuming Contests: Outcome Uncertainty and Spectator Demand for Contest-based Entertainment
By: Patrick J. Ferguson and Karim R. Lakhani
Contests that are designed to be consumed for entertainment by non-contestants are a fixture of economic, cultural and political life. In this paper, we examine whether individuals prefer to consume contests that have more uncertain outcomes. We look to... View Details
- February 2021 (Revised October 2024)
- Case
Muhammad Ali: Changing The World
By: Robert Simons and Max Saffer
This case describes the rise of Cassius Clay, who later called himself Muhammad Ali, from the poor streets of Louisville, Kentucky to international fame. The case describes how Ali won a gold medal in the Olympics, three heavyweight boxing titles, and became a role... View Details
- February 2021
- Case
A Cultural Transformation at Southeastern Grocers
By: Suraj Srinivasan, Jonah S. Goldberg and Joseph A. Paul
When Anthony Hucker, the CEO of Southeastern Grocers (SEG), took over in that role in July 2017, the company was in dire financial and operational condition and was headed towards bankruptcy. SEG, the fifth largest grocery chain in the U.S. in early 2021, operated... View Details
- February 2021
- Article
Assessment of Electronic Health Record Use Between U.S. and Non-U.S. Health Systems
By: A Jay Holmgren, Lance Downing, David W. Bates, Tait D. Shanafelt, Arnold Milstein, Christopher Sharp, David Cutler, Robert S. Huckman and Kevin A. Schulman
Importance: Understanding how the electronic health record (EHR) system changes clinician work, productivity, and well-being is critical. Little is known regarding global variation in patterns of use.
Objective: To provide insights into which EHR... View Details
Objective: To provide insights into which EHR... View Details
- 2025
- Working Paper
Competitive Two-Part Tariffs
By: Jorge Tamayo and Guofu Tan
We study competitive two-part tariffs in a model of asymmetric duopoly firms offering vertically and horizontally differentiated products. We provide necessary and sufficient conditions for marginal cost pricing to arise in equilibrium, respectively, and determine the... View Details
- February 2021
- Article
Health Care Measurements That Improve Patient Outcomes
By: Robert S. Kaplan, Lara Jehi, Clifford Y. Ko, Andrea Pusic and Mary Witkowski
This article describes the challenges and solutions in determining whether a patient’s treatment has been successful. Such an assessment depends on multiple factors, including the patient’s pretreatment status; the qualifications of personnel performing the treatment;... View Details
- January 2021 (Revised July 2022)
- Case
Dwight D. Eisenhower: Changing the World
By: Robert Simons and Shirley Sun
This case describes the rise of Dwight (Ike) Eisenhower from a small town in Kansas to the pinnacle of power on the world stage. During his life, Eisenhower was leader of the Allied Forces in World War II, president of Columbia University, head of NATO, and president... View Details
- January 2021 (Revised March 2022)
- Case
Into the Raging Sea: Final Voyage of the SS El Faro
By: Joseph B. Fuller and Mel Martin
Captain Michael Davidson of the container ship SS El Faro was determined to make his planned shipping trip on time—but a hurricane was approaching his intended path. To succeed, Davidson and his fellow officers must plot a course to avoid the storm in the face of... View Details
- Editorial
Why ESG Funds Fail to Scale
By: Gabriel Karageorgiou and George Serafeim
You’ve seen the headlines about the growth in environmental, social, and governance funds. Many investment professionals might read these and believe that launching a new ESG investment firm or ESG offering will be an automatic success. Our analysis of the data shows... View Details
Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Disclosure; ESG Disclosure Metrics; ESG Ratings; ESG Reporting; Investment Management; Investment Strategy; Investments; Investment Fund; Sustainability; Sustainable Finance; Sustainable Investing; Investment; Management; Strategy; Investment Portfolio; Finance; Growth and Development; Failure
- January 2021 (Revised May 2023)
- Case
Pearson: Efficacy 2.0
By: Elie Ofek, Marco Bertini, Oded Koenigsberg and James Weber
Pearson, which billed itself as the "world's learning company," faced a host of critical decisions in mid-2020. Several years prior, it had embarked on a new path that put the learner at the heart of the business and committed to a new strategic orientation. The new... View Details
- January–February 2021
- Article
A Culture of Continuity Is Key to Family Business Longevity
By: Josh Baron and Rob Lachenauer
- January–February 2021
- Article
Build a Family Business That Lasts
By: Josh Baron and Rob Lachenauer
Judging from how they’re portrayed in the media, it would be easy to dismiss family businesses as hotbeds of power-playing, backstabbing, and favor-currying, ultimately destined to fail; think of the Murdochs and News Corp, or the Redstones and National Amusements, to... View Details