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Publications
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- Faculty Publications (1,051)
- March 2024
- Case
Madrigal: Conducting a Customer-Base Audit
By: Eva Ascarza, Bruce Hardie, Michael Ross and Peter S. Fader
This case presents a scenario where Madrigal, a U.S. retailer with a rich 20-year history and a solid loyalty program, faces a turning point with the arrival of a new CEO. This leadership change reveals a critical gap in understanding the customer base, prompting an... View Details
- 2023
- Working Paper
An Experimental Design for Anytime-Valid Causal Inference on Multi-Armed Bandits
By: Biyonka Liang and Iavor I. Bojinov
Typically, multi-armed bandit (MAB) experiments are analyzed at the end of the study and thus require the analyst to specify a fixed sample size in advance. However, in many online learning applications, it is advantageous to continuously produce inference on the... View Details
- 2024
- Working Paper
Anytime-Valid Inference in Linear Models and Regression-Adjusted Causal Inference
By: Michael Lindon, Dae Woong Ham, Martin Tingley and Iavor I. Bojinov
Linear regression adjustment is commonly used to analyze randomized controlled experiments due to its efficiency and robustness against model misspecification. Current testing and interval estimation procedures leverage the asymptotic distribution of such estimators to... View Details
- 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
- 2021
- Working Paper
Quantifying the Value of Iterative Experimentation
By: Iavor I Bojinov and Jialiang Mao
Over the past decade, most technology companies and a growing number of conventional firms have adopted online experimentation (or A/B testing) into their product development process. Initially, A/B testing was deployed as a static procedure in which an experiment was... View Details
- March 2024
- Module Note
Accounting Standards for the 21st Century
By: Jonas Heese
Over the past two decades, accounting standards have evolved to meet the demands of a rapidly changing business environment. This module note focuses on understanding the impact of these standards on measuring firm performance and financial position in the context of a... View Details
- March 2024
- Article
Do Safety Management System Standards Indicate Safer Operations? Evidence from the OHSAS 18001 Occupational Health and Safety Standard
By: Kala Viswanathan, Matthew S. Johnson and Michael W. Toffel
Problem definition: Given the enormous disruptions and costs of occupational injuries, companies and buyers are increasingly looking to voluntary occupational health and safety standards to improve worker safety. Yet because these standards only require... View Details
- 2025
- Working Paper
Precautionary Debt Capacity
By: Deniz Aydin and Olivia S. Kim
The determinants of debt capacity are a central theme in finance and macroeconomics, yet it remains unclear why firms leave some of their debt capacity unused and whether this affects investment and growth. Textbook theory suggests that firms should not leave their... View Details
- February 2024 (Revised February 2024)
- Case
CLSA: Integrating ESG in Stock Valuation
By: Shirley Lu, Aaron Yoon and Billy Chan
In 2023, a senior financial analyst at the Hong Kong-based stock brokerage firm CLSA was surprised to see that, based on his calculations, the financial impact from climate risks on a major Indian cement manufacturing company’s projected earnings could be massive.... View Details
- February 2024
- Supplement
Dena Almansoori at e&: Fostering Culture Change at a UAE Telco Transforming to a Global Techco
By: Emily Truelove, Michelle Zhang and Alpana Thapar
Dena Almansoori, the first female and one of the youngest members of the United Arab Emirates-based e&’s leadership team, joined in 2020 just before e& began a strategic transition from being a regional telecommunications company to becoming a global technology... View Details
Keywords: Technology; Telecommunications; Employee Mobility; Leading Change; Human Resources; Organizational Culture; Transformation; Talent and Talent Management; Change Management; Employee Relationship Management; Telecommunications Industry; Technology Industry; Middle East; United Arab Emirates
- February 2024
- Case
Tabby: Winning Consumers' Digital Wallets
By: Eva Ascarza and Fares Khrais
Hosam Arab (MBA 2009), cofounder and CEO of Tabby, a Saudi-based fintech startup, raised its Series D funding round in October 2023, four years after its inception, valuing it as a regional unicorn. Tabby's core product, a buy-now-pay-later (BNPL) service, allowed... View Details
- February 2024
- Case
Nuwa Capital: Investing During Uncertainty
By: Paul A. Gompers and Fares Khrais
Nuwa Capital (Nuwa) was a venture capital firm based in Dubai in the United Arab Emirates and Riyadh in Saudi Arabia. The business was founded in 2020 by Khaled Talhouni and his partners Sarah Abu Risheh, and Stephanie Nour Prince (they were later joined by Nitin Reen... View Details
- January 2024
- Case
Net Zero Insurance Alliance: An Alliance in Crisis
By: Peter Tufano and Karina Val
The Net Zero Insurance Alliance (NZIA), a UN-convened alliance of major global insurers, was formed in 2021, but by 2023 had lost over 60% of its members. While NZIA had enjoyed a rapid and productive start by setting standards for the industry and sharing best... View Details
- 2024
- Article
Financial Constraints and Short-Term Planning Are Linked to Flood Risk Adaptation Gaps in U.S. Cities
By: Shirley Lu and Anya Nakhmurina
Adaptation is critical in reducing the inevitable impact of climate change. Here we study cities’ adaptation to elevated flood risk by introducing a linguistic measure of adaptation extracted from financial disclosures of 431 US cities over 2013–2020. While cities with... 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
- Background Note
Evaluating Innovations in the Organization of Primary Care: What Type of Innovation Is It and How Well Does It Align with the Six Factors?
By: Regina E. Herzlinger and James Wallace
How can we evaluate if innovative health care ventures can do good—benefit society—and do well—become financially viable? This question is the topic of the first module in the Innovating in Health Care course book.
This note and "Health Stop (A): What Type... View Details
This note and "Health Stop (A): What Type... View Details
- January 2024 (Revised May 2024)
- Case
PortageBay and ESG Analytics
By: Vikram S. Gandhi and Radhika Kak
In 2023, sustainable investors faced several challenges. The first was the lack of access to standardized and vetted environmental, social, and governance (ESG) data, and equally, the interpretation of this data into investment-useful insights. Reducing reliance on... View Details
- January 2024 (Revised May 2024)
- Case
Private 5G Networks
By: Andy Wu and Maggie Yang
In the late 2010’s, 5G emerged as a new standard in communication technology. 5G was designed to enable ultra-reliable low-latency communications (URLLC), massive machine-type communication (MMTC), and enhanced mobile broadband (EMBB) (see Exhibit 1 for a detailed... 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