Publications
Publications
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(3,822)
- Faculty Publications (907)
- Spring 2024
- Article
The Evolution of Banking in the 21st Century: Evidence and Regulatory Implications
By: Samuel Gregory Hanson, Victoria Ivashina, Laura Nicolae, Jeremy C. Stein, Adi Sunderam and Daniel K. Tarullo
As revealed by the failures of three regional banks in the spring of 2023, bank runs are not a thing of the past. To inform the ongoing discussion of the appropriate regulatory response, we examine trends in the banking industry over the last twenty-five years. On the... View Details
- March 2024
- Tutorial
FRC: The Balanced Scorecard
By: Trevor Fetter
This brief video tutorial explains the concept and application of The Balanced Scorecard, developed by Prof. Robert Kaplan of HBS. It has been used in the MBA required course, Financial Reporting and Control. View Details
Keywords: Balanced Scorecard
- March 2024 (Revised July 2024)
- Case
WeightWatchers: Promoting Weight Health
In December 2023, the 60-year-old weight management industry stalwart WeightWatchers announced the launch of WeightWatchers Clinic, which incorporated GLP-1s , a new class of prescription weight-loss medications, into the company’s portfolio of products and mobile app... View Details
- March 2024
- Case
Katharine Graham: Changing the World
By: Robert Simons and Shirley Sun
This case traces the life of Katharine Graham from housewife to publisher of the Washington Post. Born into a family of wealth, Graham described herself as a “doormat wife” after she married Phil Graham and stayed at home to raise their children. His unexpected death... View Details
- March 2024
- Case
Lyft 2023: Roads to Growth and Differentiation
By: Ranjay Gulati and Jeffrey Huizinga
Set in San Francisco in winter 2023, this case explores the strategic challenges and initiatives at Lyft under the leadership of its new CEO, David Risher. Confronted with declining market share and financial pressures, Risher spent his first six months at the helm... View Details
- 2024
- Working Paper
The Cram Method for Efficient Simultaneous Learning and Evaluation
By: Zeyang Jia, Kosuke Imai and Michael Lingzhi Li
We introduce the "cram" method, a general and efficient approach to simultaneous learning and evaluation using a generic machine learning (ML) algorithm. In a single pass of batched data, the proposed method repeatedly trains an ML algorithm and tests its empirical... View Details
Keywords: AI and Machine Learning
- 2024
- Working Paper
Design of Panel Experiments with Spatial and Temporal Interference
By: Tu Ni, Iavor Bojinov and Jinglong Zhao
One of the main practical challenges companies face when running experiments (or A/B tests) over a panel is interference, the setting where one experimental unit's treatment assignment at one time period impacts another's outcomes, possibly at the following time... View Details
Keywords: Research
- February 2024
- Case
Compass Pathways: Pioneering Psychedelic Treatment
By: Tiona Zuzul, Kisha Lashley and Gamze Yucaoglu
This case follows Compass Pathways, a pioneering company developing treatment for depression based on psilocybin, the compound found in ‘magic mushrooms.’ Psilocybin was a federally illegal substance in the U.S., and a “Schedule I” drug, defined as a drug “with no... 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
- 2024
- Working Paper
When Insurers Exit: Climate Losses, Fragile Insurers, and Mortgage Markets
By: Ishita Sen, Pari Sastry and Ana-Maria Tenekedjieva
This paper studies how homeowners insurance markets respond to growing climate losses and how this impacts mortgage market dynamics. Using Florida as a case study, we show that traditional insurers are exiting high risk areas, and new lower quality insurers are... View Details
- January 2024 (Revised April 2024)
- Case
Target Malaria: Editing Mosquitoes through Gene Drives
By: Shikhar Ghosh and Shweta Bagai
Target Malaria, a non-profit research consortium, is exploring the application of CRISPR-Cas9 gene editing technology to combat malaria in Sub-Saharan Africa. Its approach uses gene drives, a revolutionary tool, to suppress the population of malaria-carrying... View Details
- January 2024 (Revised August 2024)
- Case
Essex County Community Foundation: Pivot to Systems Philanthropy
By: V. Kasturi Rangan, Brian Trelstad and Courtney Han
2023 marked five years of the Essex County Community Foundation (ECCF)’s “systems philanthropy” approach to grantmaking. Located in northeastern Massachusetts, the community foundation served 800,000 residents across 34 cities and towns that varied widely by... View Details
- January 2024 (Revised June 2024)
- Case
School of Rock: Tuning into Structured Empowerment (A)
By: Tatiana Sandino, Jeffrey Rayport, Samuel Grad and Stacy Straaberg
In summer 2021, School of Rock was a youth-oriented music education company with 291 franchise- and company-owned schools globally. Before CEO Rob Price’s hire in 2017, School of Rock’s nonconformist rock ‘n’ roll culture led to variability in teaching styles,... View Details
Keywords: Business Growth and Maturation; Business Plan; Change Management; Transformation; Communication Strategy; Decisions; Curriculum and Courses; Teaching; Employee Relationship Management; Knowledge Sharing; Leadership Style; Business or Company Management; Growth and Development Strategy; Management Style; Marketing Strategy; Mission and Purpose; Organizational Change and Adaptation; Organizational Culture; Organizational Structure; Franchise Ownership; Performance Expectations; Performance Improvement; Strategic Planning; Attitudes; Conflict Management; Corporate Strategy; Applications and Software; Technology Adoption; Education Industry; Music Industry; Massachusetts; United States
- January 2024 (Revised January 2025)
- Case
Colbún and Chile's Energy Transition
By: Forest Reinhardt, Jenyfeer Martinez Buitrago and Mariana Cal
In May 2023, Colbún, Chile’s second-largest electricity generator, plans capacity expansions using renewable energy and storage. This strategy supports Chile’s commitment to carbon neutrality (also known as net zero emissions) by 2050. The case delves into the... View Details
- January 2024 (Revised February 2024)
- Case
OpenAI: Idealism Meets Capitalism
By: Shikhar Ghosh and Shweta Bagai
In November 2023, the board of OpenAI, one of the most successful companies in the history of technology, decided to fire Sam Altman, its charismatic and influential CEO. Their decision shocked the corporate world and had people wondering why OpenAI had designed a... View Details
- January 2024
- Case
National Football League and Private 5G
By: Andy Wu, Grant Son and Shuoyu Chen
On September 9, 2021, the National Football League (NFL) designated Verizon as its official 5G partner in a 10-year deal, committed to enhance the experience for NFL teams, players, and fans in stadiums. NFL Commissioner Roger Goodell said, “Verizon will help us... View Details
- January 2024
- Article
A Cost Model for a Low Threshold Clinic Treating Opioid Use Disorder
By: Sarah E. Wakeman, Elizabeth Powell, Syed Shehab, Grace Herman, Laura Kehoe and Robert S. Kaplan
The US fee-for-service payment system under-reimburses clinics offering access to comprehensive treatments for opioid use disorder (OUD). The funding shortfall limits a clinic’s ability to expand and improve access, especially for socially marginalized patients with... View Details
- January 2024
- Article
Dog Eat Dog: Balancing Network Effects and Differentiation in a Digital Platform Merger
By: Chiara Farronato, Jessica Fong and Andrey Fradkin
Digital platforms are increasingly the subject of regulatory scrutiny. In comparison to multiple competitors, a single platform may increase consumer welfare if network effects are large or may decrease welfare due to higher prices or reduction in platform variety. We... View Details
- 2024
- Working Paper
Employer-Based Short-Term Savings Accounts
By: Sarah Holmes Berk, John Beshears, Jay Garg, James J. Choi and David Laibson
We study the introduction of a choice architecture design intended to increase short-term savings among employees at five U.K. firms. Employees were offered the opportunity to opt into a payroll deduction program that auto-deposits funds from each paycheck into a... View Details