Publications
Publications
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- All HBS Web
(1,341)
- Faculty Publications (315)
- May 2022
- Article
Coins for Bombs: The Predictive Ability of On-Chain Transfers for Terrorist Attacks
By: Dan Amiram, Evgeny Lyandres and Daniel Rabetti
This study examines whether we can learn from the behavior of blockchain-based transfers to predict the financing of terrorist attacks. We exploit blockchain transaction transparency to map millions of transfers for hundreds of large on-chain service providers. The... View Details
- 2022
- Working Paper
Small Campaign Donors
By: Laurent Bouton, Julia Cagé, Edgard Dewitte and Vincent Pons
In this paper, we study the characteristics and behavior of small donors, and compare them to those of large donors. We first build a novel dataset including all the 340 million individual contributions reported to the U.S. Federal Election Commission between 2005 and... View Details
- 2023
- Working Paper
Uniform Rate Setting and the Deposit Channel
By: Juliane Begenau and Erik Stafford
U.S. banks predominantly use uniform deposit rate setting policies, particularly the largest banks. Uniform rate setting ignores local market concentration, and is therefore inconsistent with the identification strategy used to provide cross-sectional evidence of the... View Details
- April 2022 (Revised May 2022)
- Case
Mastercard Labs (A)
When Ajaypal (Ajay) Banga became the CEO of Mastercard in 2010, he shifted the company’s competitive focus from card networks to cash itself. Mastercard’s new vision of a “World Beyond Cash” distilled into a three-pronged framework: Grow the core business, Diversify... View Details
Keywords: Organizational Behavior; Culture; Culture Change; Organizational Adaptation; Organizational Effectiveness; Alignment; Leadership; Leadership Development; Innovation; Innovation Ecosystems; Ecosystem; Diversity; Collaboration; Co-creation; Learning Organizations; Empowerment; Globalization; Agility; Prototype; Experiment; Partnerships; Operating Model; Risk Management; Metrics; Payments; Financial Inclusion; Financial Industry; Ambidexterity; Corporate Innovation; Innovation Lab; Digital Transformation; Digital Strategy; Credit Cards; Innovation Leadership; Organizational Culture
- April 2022
- Article
Going Out or Opting Out? Capital, Political Vulnerability, and the State in China's Outward Investment
By: Meg Rithmire
How do state-business relations interact with outward investment in authoritarian regimes? This paper examines this question in the context of China’s rapid transformation into a major capital exporter. While most political economy scholarship focuses on firms’... View Details
- March 2022 (Revised March 2024)
- Case
Hometown Foods: Changing Price amid Inflation
During the early part of the 2021 Covid-19 pandemic, Hometown Foods, a large seller of flour-based products, thrived as consumers hoarded baked goods and took up baking to pass the time and find comfort. Then, amid growing shortages in commodities, a vaccine arrived,... View Details
- February 2022
- Supplement
SpartanNash Company: The Amazon Warrants (A)
By: Benjamin C. Esty, E. Scott Mayfield and Daniel Fisher
As of 12/31/21, Amazon held $22 billion of equity and warrants in related companies. In fact, it often requests a free grant of warrants when it enters into a new commercial agreement with a supplier. Over the past 20 years, Amazon has gotten warrants almost 20... View Details
- Article
Costs Without Value When Treating Pediatric Behavioral Patients in the ED
By: Marcella Jewell, Syed S. Shehab, Robert S. Kaplan, Jack Fanton and Joeli Hettler
Pediatric Emergency Department (ED) visits have greatly increased in recent years. An academic pediatric ED that annually treats about 1,000 behavioral health patients conducted a study to assess the true cost of caring for nonacute behavioral health patients. It... View Details
- February 2022
- Article
Borrowing to Save? The Impact of Automatic Enrollment on Debt
By: John Beshears, James J. Choi, David Laibson, Brigitte C. Madrian and William L. Skimmyhorn
Does automatic enrollment into a retirement plan increase financial distress due to increased borrowing outside the plan? We study a natural experiment created when the U.S. Army began automatically enrolling newly hired civilian employees into the Thrift Savings Plan.... View Details
- January 2022
- Supplement
Kornit Digital: The Amazon Warrants (C)
By: Benjamin C. Esty, E. Scott Mayfield and Daniel Fisher
As of 12/31/21, Amazon held $22 billion of equity and warrants in related companies. In fact, it often requests a free grant of warrants when it enters into a new commercial agreement with a supplier. Over the past 20 years, Amazon has gotten warrants almost 20... View Details
- January 2022
- Case
SpartanNash Company: The Amazon Warrants (A)
By: Benjamin C. Esty, E. Scott Mayfield and Daniel Fisher
As of 12/31/21, Amazon held $22 billion of equity and warrants in related companies. In fact, it often requests a free grant of warrants when it enters into a new commercial agreement with a supplier. Over the past 20 years, Amazon has gotten warrants in almost 20... View Details
- January 2022
- Supplement
SpartanNash Company: The Amazon Warrants (B)
By: Benjamin C. Esty, E. Scott Mayfield and Daniel Fisher
A continuation of the events described in the (A) Case, “SpartanNash Company: The Amazon Warrants,” (HBS Case No. 222-022). View Details
- 2022
- Working Paper
Heterogeneous Investors and Stock Market Fluctuations
By: Odhrain McCarthy and Sebastian Hillenbrand
We introduce a heterogeneous agent model which features extrapolative beliefs and time-varying risk aversion. The model leads to an empirical framework which we estimate with stock prices, survey data and risk aversion measures. We find that extrapolative beliefs and... View Details
- 2022
- Working Paper
Many Markets Make Good Neighbors: Multimarket Contact and Deposit Banking
By: John William Hatfield and Jonathan Wallen
We investigate the relationship between the interest rates offered to consumers in a deposit banking market and the contact that banks in that market have with each other in other markets.
We show, in a simple theoretical model, that such overlapping relationships... View Details
- 2024
- Working Paper
What Drives Variation in Investor Portfolios? Estimating the Roles of Beliefs and Risk Preferences
By: Mark Egan, Alexander MacKay and Hanbin Yang
We present an empirical model of portfolio choice that allows for the nonparametric estimation of investors' (subjective) expectations and risk preferences. Utilizing a comprehensive dataset of 401(k) plans from 2009 through 2019, we explore heterogeneity in asset... View Details
- Article
Financial Shame Spirals: How Shame Intensifies Financial Hardship
By: Joe J. Gladstone, Jon M. Jachimowicz, Adam Eric Greenberg and Adam D. Galinsky
Financial hardship is an established source of shame. This research explores whether shame is also a driver and exacerbator of financial hardship. Six experimental, archival, and correlational studies (N = 9,110)—including data from customer bank account histories and... View Details
- November 2021
- Article
Ratings, Reviews, and the Marketing of New Products
By: Itay P. Fainmesser, Dominique Olié Lauga and Elie Ofek
We study how user-generated content (UGC) about new products impacts a firm's advertising and pricing decisions and the effect on profits and market dynamics. We construct a two-period model where consumers value quality and are heterogeneous in their taste for the new... View Details
- Article
Using Fresh Starts to Nudge Increased Retirement Savings
By: John Beshears, Hengchen Dai, Katherine L. Milkman and Shlomo Benartzi
We conducted a field experiment to study the effect of framing future moments in time as new beginnings (or “fresh starts”). University employees (N=6,082) received mailings with an opportunity to choose between increasing their contributions to a savings plan... View Details
- Article
Decarbonization Factors
By: Alex Cheema-Fox, Bridget LaPerla, George Serafeim, David Turkington and Hui (Stacie) Wang
In the face of accelerating climate change, investors are making capital allocations seeking to decarbonize portfolios by reducing the carbon emissions of their holdings. To understand the performance of portfolio decarbonization strategies and investor behavior... View Details
- 2024
- Working Paper
Loan Officers Impede Graduation From Microcredit: Evidence from a Large Microfinance Institution
By: Natalia Rigol and Benjamin N. Roth
Graduating microcredit borrowers to larger loans can increase livelihoods. We demonstrate that loan officers impede borrower graduation due to common features of their compensation. Through an experiment with one of Chile’s largest microfinance institutions (MFIs), we... View Details