Publications
Publications
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- All HBS Web
(2,136)
- Faculty Publications (386)
- 2024
- Working Paper
Hidden Alpha
By: Manuel Amman, Alexander Cochardt, Lauren Cohen and Stephan Heller
This paper documents the central role of hidden connections between fund managers and firm officers in financial markets, drawing on an extensive dataset of over 100 thousand manually identified Facebook profiles and their 35 million Facebook friends. Our findings... View Details
- Article
Multitasking While Driving: A Time Use Study of Commuting Knowledge Workers to Assess Current and Future Uses
By: Thomaz Teodorovicz, Andrew L. Kun, Raffaella Sadun and Orit Shaer
Commuting has enormous impact on individuals, families, organizations, and society. Advances in vehicle automation may help workers employ the time spent commuting in productive work-tasks or wellbeing activities. To achieve this goal, however, we need to develop a... View Details
- 2022
- Article
Values and Inequality: Prosocial Jobs and the College Wage Premium
By: Nathan Wilmers and Letian Zhang
Employers often recruit workers by invoking corporate social responsibility, organizational purpose, or other claims to a prosocial mission. In an era of substantial labor
market inequality, commentators typically dismiss these claims as hypocritical: prosocial... View Details
- May 2022
- Case
The NFL’s $110-Billion Media Rights Deals
By: Anita Elberse and Elizabeth Warner
On March 18, 2021, Brian Rolapp, chief media and business officer at the National Football League (NFL) presented the results of a months-long effort to renegotiate rights deals with the NFL’s current partners in television—the media conglomerates behind the networks... View Details
- April 6, 2022
- Article
5 Principles of Purposeful Leadership
By: Hubert Joly
The traditional model of the leader-hero who saves the day, knows it all, is the smartest person in the room, and is too often driven by power, fame, glory, or money is not appropriate in today’s environment. People today expect a different kind of leader. While each... View Details
- March 2022 (Revised April 2022)
- Case
MTN: Unlocking Value While Driving Socioeconomic Progress
By: Benjamin C. Esty, Pippa Tubman Armerding and Dilyana Karadzhova Botha
On March 10, 2021, Ralph Mupita the new CEO of MTN Group, Africa's largest telecommunications company, presented the group’s 2020 annual results and unveiled a new strategy to “drive growth and unlock value.” Despite MTN’s leadership in most of its markets, the... View Details
- Article
Expected Stock Returns Worldwide: A Log-Linear Present-Value Approach
By: Akash Chattopadhyay, Matthew R. Lyle and Charles C.Y. Wang
This study provides the first large-scale study of the performance of expected-return proxies (ERPs) internationally. Analyst-forecast-based ICCs are sparsely populated and not robustly associated with future returns. Earnings-model-forecast-based ICCs are... View Details
- 2022
- Working Paper
The Fed and the Secular Decline in Interest Rates
In this paper I document a striking fact: a narrow window around Fed meetings fully captures the secular decline in U.S. Treasury yields since 1980. By contrast, yield movements outside this window are transitory and wash out over time. This is surprising because the... View Details
- Article
The Translucent Hand of Managed Ecosystems: Engaging Communities for Value Creation and Capture
By: Elizabeth J. Altman, Frank Nagle and Michael Tushman
Management research has increasingly explored the domains of ecosystems, platforms, and open/user/distributed innovation—governance structures focused on engaging with external communities. While these research areas include substantial empirical and theoretical work... View Details
- December 2021
- Case
Slice Labs: Creating a Fraud-free Online Insurance Platform
By: Amit Goldenberg, Max Bazerman and Ruth Page
"Slice Labs: Creating a Fraud-Free Online Insurance Platform" engages students with the challenge of how to influence other parties to not engage in fraud in the context of digital insurance. The case is centered around Slice, a digital insurance company that was... View Details
Keywords: Technology; Insurance; Digitization; Honesty; Negotiation; Fraud; Ethics; Negotiation Process; Negotiation Tactics; Negotiation Types; Social Psychology; Conflict and Resolution; Trust; Fairness; Moral Sensibility; Values and Beliefs; Crime and Corruption; Insurance Industry; Technology Industry; United States; Canada
- Article
A Prescriptive Analytics Framework for Optimal Policy Deployment Using Heterogeneous Treatment Effects
By: Edward McFowland III, Sandeep Gangarapu, Ravi Bapna and Tianshu Sun
We define a prescriptive analytics framework that addresses the needs of a constrained decision-maker facing, ex ante, unknown costs and benefits of multiple policy levers. The framework is general in nature and can be deployed in any utility maximizing context, public... View Details
- Article
Core Earnings: New Data and Evidence
By: Ethan Rouen, Eric C. So and Charles C.Y. Wang
Using a novel dataset, we show that components of firms' GAAP earnings stemming from ancillary business activities or transitory shocks are significant in frequency and magnitude. These components have grown over time and are dispersed across various sections of the... View Details
- November 2021 (Revised December 2022)
- Case
Babban Gona: Great Farm
By: Kristin Fabbe, Tarun Khanna, Caroline M. Elkins, Zeke Gillman, Eleni Kyrkopoulou and Thomaz Teodorovicz
In 2020, Babban Gona was one of the world’s largest farming operations with over 140,000 acres of maize farms, an area over ten times as large as Manhattan, and over 80,000 member-farmers in Nigeria. According to the company, the average Nigerian farmer’s net income... View Details
- 2021
- Working Paper
The Business of K-12 Education in China
By: Geoffrey Jones and Yuhai Wu
This working paper examines the evolution of K-12 education in China, especially between 1985 and the present day, drawing extensive interviews with participants in the educational sector. China has been hugely successful in reaching almost 100 percent literacy,... View Details
- Article
Business Investment in Education in Emerging Markets Since the 1960s
By: Valeria Giacomin, Geoffrey Jones and Erica Salvaj
This article examines non-profit investments by business in education in emerging markets between the 1960s and the present day. Using a sample of 110 interviews with business leaders from an oral history database, the study shows that more than three-quarters of such... View Details
- 2021
- Working Paper
The Value of Data and Its Impact on Competition
By: Marco Iansiti
Common regulatory perspective on the relationship between data, value, and competition in online platforms has increasingly centered on the volume of data accumulated by incumbent firms. This view posits the existence of "data network effects," where more data leads to... View Details
- July 2021 (Revised October 2021)
- Case
Allianz Customer Centricity: Is Simplicity the Way Forward?
By: Eva Ascarza and Emilie Billaud
This case explores the tradeoffs between product personalization and simplicity as companies grow. The case presents an opportunity to understand whether and how each of these approaches enables and/or limits companies’ abilities to provide customer satisfaction while... View Details
- July–August 2021
- Article
Why Do So Many Strategies Fail?
By: David J. Collis
THE PROBLEM: Seemingly successful new companies struggle to turn a healthy profit. Established firms get disrupted by upstarts. Companies that excel at serving their markets can’t adapt when customers’ tastes shift. THE ROOT CAUSE: All too often, business leaders focus... View Details
- April 2021
- Exercise
Valuing Employment Exercise
By: George Serafeim, Ethan Rouen and Katie Panella
The Valuing Employment exercise can be used to show the importance of impact measurement in designing incentives and contracts. The exercise has two phases. In the first phase, participants play the role of managers at the State of Massachusetts Infrastructure... View Details
- March 2021
- Article
Assortment Rotation and the Value of Concealment
By: Kris J. Ferreira and Joel Goh
Assortment rotation—the retailing practice of changing the assortment of products offered to customers—has recently been used as a competitive advantage for both brick-and-mortar and online retailers. We focus on product categories where consumers may purchase multiple... View Details