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All HBS Web
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- Faculty Publications (1,103)
- May 2020
- Teaching Note
Kraft Heinz: The $8 Billion Brand Write-Down
By: Jill Avery
Teaching Note for HBS Case No. 519-076. On Friday, February 22, 2019, following an unexpected and disappointing earnings report, The Kraft Heinz Company’s stock price fell 27%, wiping out $16 billion in market value. CEO Bernardo Hees had announced that the company had...
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- May 2020
- Article
Ancient Origins of the Global Variation in Economic Preferences
By: Anke Becker, Benjamin Enke and Armin Falk
This paper shows that contemporary population-level heterogeneity in risk aversion, time preference, altruism, positive reciprocity, negative reciprocity, and trust partly traces back to the structure of the migration patterns of our very early ancestors. To document...
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Keywords:
Migration Patterns;
Behavioral Economics;
Preferences;
Microeconomics;
Demography;
Decision Making;
Risk and Uncertainty;
History;
Global Range
Becker, Anke, Benjamin Enke, and Armin Falk. "Ancient Origins of the Global Variation in Economic Preferences." AEA Papers and Proceedings 110 (May 2020): 319–323.
- 2020
- Article
Public Sentiment and the Price of Corporate Sustainability
By: George Serafeim
Combining corporate sustainability performance scores based on environmental, social, and governance (ESG) data with big data measuring public sentiment about a company’s sustainability performance, I find that the valuation premium paid for companies with strong...
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Keywords:
Sustainability;
ESG;
ESG (Environmental, Social, Governance) Performance;
Investment Management;
Investment Strategy;
Big Data;
Machine Learning;
Environment;
Environmental Sustainability;
Corporate Governance;
Performance;
Asset Pricing;
Investment;
Management;
Strategy;
Human Capital;
Public Opinion;
Value;
Analytics and Data Science
Serafeim, George. "Public Sentiment and the Price of Corporate Sustainability." Financial Analysts Journal 76, no. 2 (2020): 26–46.
- 2020
- Working Paper
HBS COVID-19 Global Policy Tracker
By: Alberto Cavallo and Tannya Cai
The HBS COVID-19 Global Policy Tracker is an initiative by the Business, Government and the International Economy (BGIE) unit at Harvard Business School (HBS) to collect and standardize economic policies implemented as a response to the coronavirus pandemic around the...
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Cavallo, Alberto, and Tannya Cai. "HBS COVID-19 Global Policy Tracker." Harvard Business School Working Paper, No. 20-110, April 2020. (Available at www.globalpolicytracker.com.)
- April 2020 (Revised October 2021)
- Case
SpaceX, Economies of Scale, and a Revolution in Space Access
By: Matthew C. Weinzierl, Kylie Lucas and Mehak Sarang
From the time he transformed the world of online banking, Elon Musk established himself as a bold innovator. After selling X.com to PayPal in 2002, he founded a series of revolutionary start-ups, starting with Space Exploration Technologies (SpaceX). Hoping to "make...
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Keywords:
Space Tech;
Space Access;
Vision;
Economies Of Scale;
Technological Innovation;
Emerging Markets;
Commercialization;
Finance;
Aerospace Industry
Weinzierl, Matthew C., Kylie Lucas, and Mehak Sarang. "SpaceX, Economies of Scale, and a Revolution in Space Access." Harvard Business School Case 720-027, April 2020. (Revised October 2021.)
- 2020
- Working Paper
Aggregate and Firm-Level Stock Returns During Pandemics, in Real Time
By: Laura Alfaro, Anusha Chari, Andrew Greenland and Peter K. Schott
We show that unexpected changes in the trajectory of COVID-19 infections predict U.S. stock returns, in real time. Parameter estimates indicate that an unanticipated doubling (halving) of projected infections forecasts next-day decreases (increases) in aggregate U.S....
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Keywords:
COVID-19;
Stock Returns;
Health Pandemics;
Stocks;
Investment Return;
Forecasting and Prediction
Alfaro, Laura, Anusha Chari, Andrew Greenland, and Peter K. Schott. "Aggregate and Firm-Level Stock Returns During Pandemics, in Real Time." NBER Working Paper Series, No. 26950, April 2020. (Revised May 2020.)
- April 2020
- Article
Digital Emotion Contagion
By: Amit Goldenberg and James J. Gross
People spend considerable time on digital media, and during this time they are often exposed to others’ emotion expressions. This exposure can lead their own emotion expressions to become more like others’ emotion expressions, a process we refer to as digital emotion...
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Keywords:
Emotion;
Emotion Contagion;
Digital Media;
Emotions;
Media;
Internet and the Web;
Measurement and Metrics;
Social Media
Goldenberg, Amit, and James J. Gross. "Digital Emotion Contagion." Trends in Cognitive Sciences 24, no. 4 (April 2020): 316–328.
- 2020
- Book
Reimagining Capitalism in a World on Fire
Free market capitalism is one of humanity’s greatest inventions and the greatest source of prosperity the world has ever seen. But this success has been costly. Capitalism is on the verge of destroying the planet and destabilizing society as wealth rushes to the top....
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Henderson, Rebecca. Reimagining Capitalism in a World on Fire. New York: PublicAffairs, 2020.
- Article
Time Use and Happiness of Millionaires: Evidence from the Netherlands
By: Paul Smeets, A.V. Whillans, Rene Bekkers and Michael I. Norton
How do the very wealthy spend their time, and how does time use relate to well-being? In two studies in the Netherlands, the affluent (N=863, N=690) and the general population (N=1232, N=306) spent time in surprisingly similar ways, such as by spending the same amount...
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Keywords:
Time And Wellbeing;
Millionaires;
Social Class;
Wealth;
Happiness;
Demographics;
Netherlands
Smeets, Paul, A.V. Whillans, Rene Bekkers, and Michael I. Norton. "Time Use and Happiness of Millionaires: Evidence from the Netherlands." Social Psychological & Personality Science 11, no. 3 (April 2020): 295–307.
- Article
Signing at the Beginning vs at the End Does Not Decrease Dishonesty
By: Ariella S. Kristal, A.V. Whillans, Max Bazerman, Francesca Gino, Lisa Shu, Nina Mazar and Dan Ariely
Honest reporting is essential for society to function well. However, people frequently lie when asked to provide information, such as misrepresenting their income to save money on taxes. A landmark finding published in PNAS (Shu, Mazar, Gino, Ariely, and Bazerman,...
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Kristal, Ariella S., A.V. Whillans, Max Bazerman, Francesca Gino, Lisa Shu, Nina Mazar, and Dan Ariely. "Signing at the Beginning vs at the End Does Not Decrease Dishonesty." Proceedings of the National Academy of Sciences 117, no. 13 (March 31, 2020): 7103–7107.
- March 24, 2020
- Article
A Time to Lead with Purpose and Humanity
By: Hubert Joly
In these unprecedented times, corporate leaders are being put to the test. Many just last summer had signed the Business Roundtable Statement of Purpose that committed their companies to serving all stakeholders. The pandemic is the first test of these principles. The...
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Joly, Hubert. "A Time to Lead with Purpose and Humanity." Harvard Business Review Digital Articles (March 24, 2020).
- March 24, 2020
- Article
Delayed Negative Effects of Prosocial Spending on Happiness
By: Armin Falk and Thomas Graeber
Does prosocial behavior promote happiness? We test this longstanding hypothesis in a behavioral experiment that extends the scope of previous research. In our Saving a Life paradigm, every participant either saved one human life in expectation by triggering a targeted...
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Falk, Armin, and Thomas Graeber. "Delayed Negative Effects of Prosocial Spending on Happiness." Proceedings of the National Academy of Sciences 117, no. 12 (March 24, 2020): 6463–6468.
- 2020
- Working Paper
Working (From Home) During a Crisis: Online Social Contributions by Workers During the Coronavirus Shock
By: Prithwiraj Choudhury, Wesley W. Koo and Xina Li
Prior research has documented that during mortality-related crises workers face psychic costs and are motivated to make social contributions. In addition, management practices that encourage workers to make social contributions during a crisis create value for firms....
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Keywords:
Crisis;
Social Contributions;
Work From Home (WFH);
Cannot Work From Home (CWFH);
Social Distancing;
Online Communities;
Coronavirus;
COVID-19;
Health Pandemics;
Employees;
Working Conditions;
Internet and the Web;
Crisis Management
Choudhury, Prithwiraj, Wesley W. Koo, and Xina Li. "Working (From Home) During a Crisis: Online Social Contributions by Workers During the Coronavirus Shock." Harvard Business School Working Paper, No. 20-096, March 2020. (Revised April 2020.)
- March 2020 (Revised May 2020)
- Case
Board Director Dilemmas—Family Affairs
By: David G. Fubini, Suraj Srinivasan and Amram Migdal
This case focuses on a new director who must help resolve a disagreement between two generations of leaders in a family business. The case raises questions of the proper role and approach for a director trying to manage a legitimate disagreement between shareholders...
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Fubini, David G., Suraj Srinivasan, and Amram Migdal. "Board Director Dilemmas—Family Affairs." Harvard Business School Case 120-103, March 2020. (Revised May 2020.)
- February 2020 (Revised February 2022)
- Case
Sustainable Product Management at Solvay
By: George Serafeim, Vincent Dessain and Mette Fuglsang Hjortshoej
In November 2019, Ilham Kadri, CEO of Solvay, a Belgian specialty chemicals and advanced materials group, with annual revenues of more than €10 billion in 2018, announced the group’s mid-term strategy, eight months after she took the helm as Solvay’s 11th CEO. The case...
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Keywords:
Sustainability;
Sustainable Business And Innovation;
Sustainability Management;
Sustainable Development;
Management Accounting;
Innovation;
Carbon Emissions;
Sustainability Reporting;
Sustainability Targets;
Target-setting;
Product;
Management;
Transformation;
Growth and Development Strategy;
Climate Change;
Environmental Sustainability;
Chemical Industry;
Europe;
Belgium
Serafeim, George, Vincent Dessain, and Mette Fuglsang Hjortshoej. "Sustainable Product Management at Solvay." Harvard Business School Case 120-081, February 2020. (Revised February 2022.)
- February 2020 (Revised April 2021)
- Case
StockX: The Stock Market of Things
By: Chiara Farronato, John J. Horton, Annelena Lobb and Julia Kelley
Founded in 2015 by Dan Gilbert, Josh Luber, and Greg Schwartz, StockX was an online platform where users could buy and sell unworn luxury and limited-edition sneakers. Sneaker resale prices often fluctuated over time based on supply and demand, creating a robust...
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Keywords:
Markets;
Auctions;
Bids and Bidding;
Demand and Consumers;
Consumer Behavior;
Analytics and Data Science;
Market Design;
Digital Platforms;
Market Transactions;
Marketplace Matching;
Supply and Industry;
Analysis;
Price;
Product Marketing;
Product Launch;
Apparel and Accessories Industry;
Fashion Industry;
North and Central America;
United States;
Michigan;
Detroit
Farronato, Chiara, John J. Horton, Annelena Lobb, and Julia Kelley. "StockX: The Stock Market of Things." Harvard Business School Case 620-062, February 2020. (Revised April 2021.)
- January–February 2020
- Article
Competing in the Age of AI
By: Marco Iansiti and Karim R. Lakhani
Today’s markets are being reshaped by a new kind of firm—one in which artificial intelligence (AI) runs the show. This cohort includes giants like Google, Facebook, and Alibaba, and growing businesses such as Wayfair and Ocado. Every time we use their services, the...
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Keywords:
Artificial Intelligence;
Algorithms;
Technological Innovation;
Business Model;
Competition;
Competitive Strategy;
AI and Machine Learning
Iansiti, Marco, and Karim R. Lakhani. "Competing in the Age of AI." Harvard Business Review 98, no. 1 (January–February 2020): 60–67.
- Article
Prosocial Spending and Buying Time: Money as a Tool for Increasing Subjective Well-Being
By: Elizabeth Dunn, A.V. Whillans, Michael I. Norton and Lara B. Aknin
Researchers have long been interested in the relationship between income and happiness, but a newer wave of work suggests that how people use their money also matters. We discuss the three primary areas in which psychologists have explored the relationship...
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Dunn, Elizabeth, A.V. Whillans, Michael I. Norton, and Lara B. Aknin. "Prosocial Spending and Buying Time: Money as a Tool for Increasing Subjective Well-Being." Advances in Experimental Social Psychology 61 (2020): 67–126.
- January 2020
- Case
Ninja: Which Platform Wins Esports' Biggest Star?
By: Anita Elberse and Michal T. Leszczynski
It is July 2019, and the business of esports and gaming is booming. Tyler Blevins—better known as Ninja—has risen to stardom playing the immensely popular shooter game Fortnite. He has become the most followed streamer in the world and, helped by his management company...
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Keywords:
Esports;
Platforms;
Superstar;
Games, Gaming, and Gambling;
Internet and the Web;
Personal Development and Career;
Decision Making;
Digital Platforms;
Video Game Industry;
Technology Industry
Elberse, Anita, and Michal T. Leszczynski. "Ninja: Which Platform Wins Esports' Biggest Star?" Harvard Business School Case 520-036, January 2020.
- January 2020
- Teaching Note
How to Encourage Others to Give and When to Pass the Torch? Insights from The Philanthropy Connection
By: Christine Exley and Kathleen McGinn
This case follows the co-founder and president, Marla Felcher, of The Philanthropy Connection (TPC). TPC is a nonprofit organization that centers around collective giving: members of TPC make an annual contribution that is then distributed to select nonprofit...
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