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- May 2022
- Case
Timnit Gebru: “SILENCED No More” on AI Bias and The Harms of Large Language Models
By: Tsedal Neeley and Stefani Ruper
Dr. Timnit Gebru—a leading artificial intelligence (AI) computer scientist and co-lead of Google’s Ethical AI team—was messaging with one of her colleagues when she saw the words: “Did you resign?? Megan sent an email saying that she accepted your resignation.” Heart...
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- 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...
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- January 2022
- Article
Why Is Corporate Virtue in the Eye of the Beholder? The Case of ESG Ratings
By: Dane Christensen, George Serafeim and Anywhere Sikochi
Despite the rising use of environmental, social, and governance (ESG) ratings, there is substantial disagreement across rating agencies regarding what rating to give to individual firms. As what drives this disagreement is unclear, we examine whether a firm’s ESG...
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- December 2021
- Article
Trade Policy Uncertainty and Stock Returns
By: Marcelo Bianconi, Federico Esposito and Marco Sammon
A recent literature has documented large real effects of trade policy uncertainty (TPU) on trade, employment, and investment, but there is little evidence that investors are compensated for bearing such risk. To quantify the risk premium associated with TPU, we exploit...
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- 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...
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- November 2021
- Article
Venture Capitalists and COVID-19
By: Paul A. Gompers, Will Gornall, Steven N. Kaplan and Ilya A. Strebulaev
We survey over 1,000 institutional and corporate venture capitalists (VCs) at more than 900 different firms to learn how their decisions and investments have been affected by the COVID-19 pandemic. We compare their survey answers to those provided by a large sample of...
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- 2022
- Working Paper
The International Price of Remote Work
By: Alberto Cavallo, Javier Cravino, Andres Drenik and Agostina Brinatti
We use data from a large web-based job platform to study how the price of remote work is determined in a globalized labor market. In the platform, workers from around the world compete for jobs that can be done remotely. We document that, despite the global nature of...
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- 2021
- Working Paper
Invisible Primes: Fintech Lending with Alternative Data
By: Marco Di Maggio, Dimuthu Ratnadiwakara and Don Carmichael
We exploit anonymized administrative data provided by a major fintech platform to investigate whether using alternative data to assess borrowers’ creditworthiness results in broader credit access. Comparing actual outcomes of the fintech platform’s model to...
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- 2022
- Working Paper
The Asymmetric Mispricing Information in Analysts’ Target Prices
By: Jeremiah Green, John R. M. Hand and Anywhere Sikochi
We study the mispricing information present in the target prices of U.S. and international analysts. We hypothesize that asymmetry in the value-relevance of the information that managers supply to analysts, combined with asymmetry in the incentives facing analysts to...
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Keywords:
Analysts;
Target Prices;
Mispricing;
Cost Of Equity;
Valuation;
Price;
Cost;
Analysis;
Theory
- 2021
- Article
Decarbonizing Everything
By: Alex Cheema-Fox, Bridget LaPerla, George Serafeim, David Turkington and Hui (Stacie) Wang
We analyze how the use of different climate risk measures leads to different portfolio carbon outcomes and risk-adjusted returns. Our findings are synthesized in a rules-based investment framework, which selects a different type of climate metric across industries and...
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Keywords:
Climate Risk;
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Disclosure;
ESG Disclosure Metrics;
ESG Ratings;
Investing;
Investing For Impact;
Investment Strategy;
Environment;
Decarbonization;
Climate Change;
Environmental Sustainability;
Environmental Management;
Environmental Accounting;
Investment;
Strategy;
Investment Portfolio;
Investment Return
- June 2021
- Case
Modern Endowment Management: Paula Volent and the Bowdoin Endowment
By: Luis M. Viceira, Emily R. McComb and Dean Xu
This case examines modern endowment investment management through the lens of a leadership transition between Chief Investment Officers (CIOs). In March 2021, Paula Volent is about to step down as the CIO of the endowment of Bowdoin College after twenty-one years, and...
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- June 23, 2021
- Article
Research: When A/B Testing Doesn't Tell You the Whole Story
By: Eva Ascarza
When it comes to churn prevention, marketers traditionally start by identifying which customers are most likely to churn, and then running A/B tests to determine whether a proposed retention intervention will be effective at retaining those high-risk customers. While...
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Keywords:
Customer Retention;
Churn;
Targeting;
Market Research;
Marketing;
Investment Return;
Customers;
Retention;
Research
- June 2021 (Revised December 2021)
- Case
The Lunar Gateway, Moon vs. Mars, and the Political Governance of Space Activities
By: Matthew C. Weinzierl and Mehak Sarang
In 2017, the Trump Administration made a bold claim—that they would return the next man and the first woman to the lunar surface by 2024, this time to establish a sustainable presence to enable further exploration in the solar system. With the Artemis Program, NASA has...
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Keywords:
Space;
Space Economy;
Aerospace;
Nasa;
Governance;
Policy;
International Relations;
Infrastructure
- 2021
- Working Paper
Currency Hedging: Managing Cash Flow Exposure
By: Laura Alfaro, Maurici Mauricio and Liliana Varela
Foreign currency derivative markets are among the largest in the world, yet their role in emerging markets is relatively understudied. We study firms' currency risk exposure and their hedging choices by employing a unique dataset covering the universe of FX derivatives...
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- May 2021
- Teaching Plan
Gera Developments: Leadership at a Crossroads
By: Christina R. Wing and John Masko
Teaching Plan for HBS Case No. 621-018. For decades, Gera Developments (Gera) was a boutique family-owned real estate development firm in Pune, India. But since 2000, managing director Rohit Gera had turned the company into a dynamic innovator in housing solutions for...
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Keywords:
Buildings and Facilities;
Business Growth and Maturation;
Construction;
Geographic Location;
Global Strategy;
Globalized Firms and Management;
Housing;
Leadership Style;
Management Succession;
Organizational Change and Adaptation;
Organizational Culture;
Family Ownership;
Family and Family Relationships;
Urban Development;
Customization and Personalization;
Real Estate Industry;
Maharashtra;
India;
San Francisco
- March 17, 2021
- Other Article
Beyond Pajamas: Sizing Up the Pandemic Shopper
By: Ayelet Israeli, Eva Ascarza and Laura Castrillo
A first look at how the COVID-19 pandemic impacted e-commerce apparel shopping in the US and the UK. Extensive analysis and interactive graphics utilizing millions of transactions.
While the pandemic is still playing out, our preliminary investigations... View Details
While the pandemic is still playing out, our preliminary investigations... View Details
Keywords:
Retail;
Retail Analytics;
Consumer;
Pandemic;
COVID;
COVID-19;
Apparel;
Ecommerce;
E-commerce;
Online Shopping;
Online Apparel;
Online Sales;
Returns;
CRM;
Customer Retention;
Customer Experience;
Customer Value;
Digital;
Customer Focus and Relationships;
Customers;
Health Pandemics;
Consumer Behavior;
Customer Relationship Management;
Online Technology;
Behavior;
Retail Industry;
Apparel and Accessories Industry;
Technology Industry;
United States;
United Kingdom
- March 2021
- Technical Note
Competitive Strategy in International Construction
By: John D. Macomber and Emrah Ergelen
Construction of buildings and infrastructure is one of the largest industries in the world in terms of volume. It is also one of the most physically risky, financially uncertain, and politically impacted. The industry is highly fragmented since there are few economies...
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- 2020
- Working Paper
Currency Hedging in Emerging Markets: Managing Cash Flow Exposure
By: Laura Alfaro, Mauricio Calani and Liliana Varela
Foreign currency derivative markets are among the largest in the world, yet their role in emerging markets in particular, is relatively understudied. We study firms' currency risk exposure and their hedging choices by employing a unique dataset covering the universe of...
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- January–February 2021
- Article
Cross‐firm Return Predictability and Accounting Quality
By: Wen Chen, Mozaffar Khan, Leonid Kogan and George Serafeim
We test the hypothesis that if poor accounting quality (AQ) is associated with poor investor understanding of firms’ revenue and cost structures, then poor AQ stocks likely respond more slowly than good AQ stocks to new non‐idiosyncratic information that affects both...
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- Article
Research: The Cost of a Single U.S. Immigration Restriction
By: Dany Bahar, Prithwiraj Choudhury and Britta Glennon
On June 22, 2020, President Trump passed an Executive Order drastically cutting the number of highly skilled international workers eligible for non-immigrant visas to the U.S. To quantify the impact of this policy, the authors examined the immediate change in stock...
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Keywords:
Work Visas;
H1-B;
Restriction;
Impact;
Immigration;
Governing Rules, Regulations, and Reforms;
Cost;
Economy