Publications
Publications
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(3,163)
- Faculty Publications (592)
- April 2021
- Case
Transforming BlackBerry: From Smartphones to Software
By: Ranjay Gulati and Nicole Tempest Keller
On the verge of failure, BlackBerry brought in John Chen as CEO in 2013 to orchestrate a bold turnaround of the company. Once an iconic leader in the smartphone market, BlackBerry was best known for its tactile QWERTY keyboard, strong security, and a focus on business... View Details
Keywords: Pivot; Managing Change; Turnaround; Smartphone; Change Management; Leading Change; Transformation; Organizational Change and Adaptation; Digital Platforms; Change; Information Infrastructure; Applications and Software; Competitive Strategy; Cybersecurity; Technology Industry; Transportation Industry; Canada
- 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
- April 2021
- Case
The Clean Network and the Future of Global Technology Competition
By: Meg Rithmire and Courtney Han
In May 2019, amidst of an ever-worsening trade war between the U.S. and China, President Donald Trump added Chinese telecom giant Huawei to the Department of Commerce’s “entity list,” essentially forbidding American firms from doing business with the company. Huawei,... View Details
- April 2021 (Revised July 2021)
- Case
StockX: The Stock Market of Things (Abridged)
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... View Details
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
- March 2021
- Case
Astralis Group: Determining a Brand Strategy
By: Benjamin C. Esty, Mette Fuglsang Hjortshoej and Emilie Billaud
After launching a Danish esports company in July 2019, and going public in December 2019 with multiple brands associated with different games, the Astralis leadership team was contemplating a shift to a single, corporate brand. While the original arguments for... View Details
Keywords: Brand Strategy; Esports; Video Games; Corporate Scope; Positioning; Ecosystem; Brands and Branding; Strategy; Business Ventures; Business Startups; Entrepreneurship; Ethics; Sports; Competitive Strategy; Value Creation; Diversification; Games, Gaming, and Gambling; Sports Industry; Entertainment and Recreation Industry; Denmark; Europe
- March 2021
- Supplement
Making Impact Investing Markets: IFC (B)
By: Shawn A. Cole, John Masko and T. Robert Zochowski
In 2018, Thailand’s Bank of Ayudhya (known as Krungsri), was considering whether to participate in the first issue of a new financial instrument from the International Finance Corporation (IFC), known as a gender bond. Building on the success of the Green Bond program... View Details
Keywords: Impact Investment; Development Economics; Developing Countries and Economies; Borrowing and Debt; Credit; Equity; Bonds; Financing and Loans; Growth and Development; Emerging Markets; Non-Governmental Organizations; Corporate Social Responsibility and Impact; Financial Instruments; Gender; Financial Services Industry; Thailand
- Article
CDS Trading and Nonrelationship Lending Dynamics
By: Jung Koo Kang, Christopher Williams and Regina Wittenberg-Moerman
We investigate how credit default swaps (CDSs) affect lenders’ incentives to initiate new lending relationships. We predict that CDSs reduce adverse selection that nonrelationship lead arrangers face when competing for loans. Consistently, we find that a loan is... View Details
- 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... View Details
- January 2021 (Revised March 2021)
- Case
Juno (A): Leveraging Student Power
By: Joshua Schwartzstein, Kathleen L. McGinn and Amy Klopfenstein
In March 2020, Chris Abkarians and Nikhil Agarwal were in the midst of preparing the annual auction for their student loan assistance startup, Juno. Both current MBA students at Harvard Business School, the duo founded Juno in 2018 to leverage student bargaining power... View Details
Keywords: Decision Making; Decision Choices and Conditions; Decisions; Cost vs Benefits; Education; Higher Education; Finance; Borrowing and Debt; Strategy; Adaptation; Alignment; Negotiation; Agreements and Arrangements; Negotiation Participants; Negotiation Process; Negotiation Tactics; Negotiation Deal; Negotiation Offer; Negotiation Types; Financial Services Industry; Education Industry; North and Central America; United States; Massachusetts; Boston
- January 2021 (Revised October 2021)
- Case
eToro: Building the World's Largest Social Trading Network
By: Elie Ofek and Danielle Golan
Social trading platform eToro was preparing for the launch of its expanded offering in the U.S. The company faced critical decisions regarding product-market fit, go-to-market strategy, positioning and monetization. Moreover, it faced the challenge of how best to make... View Details
- January 2021
- Article
Turbulence, Firm Decentralization and Growth in Bad Times
By: Philippe Aghion, Nicholas Bloom, Brian Lucking, Raffaella Sadun and John Van Reenen
What is the optimal form of firm organization during “bad times”? We present a model of delegation within the firm to show that the effect is ambiguous. The greater turbulence following macro shocks may benefit decentralized firms because the value of local information... View Details
- Article
The Unprecedented Stock Market Reaction to COVID-19
By: Scott Baker, Nicholas Bloom, Steven J. Davis, Kyle Kost, Marco Sammon and Tasaneeya Viratyosin
No previous infectious disease outbreak, including the Spanish Flu, has impacted the stock market as forcefully as the COVID-19 pandemic. In fact, previous pandemics left only mild traces on the U.S. stock market. We use text-based methods to develop these points with... View Details
- 2022
- Working Paper
The Stock Market Value of Human Capital Creation
By: Matthias Regier and Ethan Rouen
We develop a measure of firm-year-specific human capital investment from publicly disclosed personnel expenses (PE) and examine the stock market valuation of this investment. Measuring the future value of PE (PEFV) based on the relation between lagged... View Details
- 2020
- Chapter
Reserve Accumulation, Sovereign Debt, and Exchange Rate Policy
By: Laura Alfaro and Fabio Kanczuk
In the past decade, foreign participation in local-currency bond markets in emerging countries increased dramatically. Additionally, emerging countries are increasingly deviating from inflation targeting regimes, managing their exchange rate and engaging in... View Details
- August 2020 (Revised December 2020)
- Case
Latam Airlines and COVID-19: Seeking Bankruptcy Protection in the United States
By: Laura Alfaro, Mauricio Larrain, Carlos Vilches and Sarah Jeong
On May 26, 2020, Latam Airlines became the largest airline in the world to be driven to bankruptcy by COVID-19. With a complex debt structure and international investor composition, the company decided to file for bankruptcy protection in the United States, which... View Details
- August 2020 (Revised February 2021)
- Case
Luckin Coffee (A): Caffeine-fueled Growth?
By: Ramon Casadesus-Masanell and Karen Elterman
This case describes the founding of Chinese coffee chain Luckin Coffee in 2017 and its path to surpassing Starbucks as the largest coffee chain in China (by number of stores) in 2019. Unlike Starbucks stores, which were designed to be welcoming “third places” for... View Details
Keywords: Business Model; Business Earnings; Cost; Cost Management; Financial Statements; Financial Condition; Financial Management; Stocks; Profit; Revenue; Price; Food; Business History; Employment; Brands and Branding; Product Positioning; Marketing Strategy; Business Strategy; Expansion; Competitive Strategy; Food and Beverage Industry; Technology Industry; Asia; China
- August 2020
- Article
Financial Market Risk Perceptions and the Macroeconomy
By: Carolin E. Pflueger, Emil Siriwardane and Adi Sunderam
We propose a novel measure of risk perceptions: the price of volatile stocks (PVS), defined as the book-to-market ratio of low-volatility stocks minus the book-to-market ratio of high-volatility stocks. PVS is high when perceived risk directly measured from surveys and... View Details
- August 2020
- Article
Lone Wolves in Competitive Equilibria
By: Ravi Jagadeesan, Scott Duke Kominers and Ross Rheingans-Yoo
This paper develops a class of equilibrium-independent predictions of competitive equilibrium with indivisibilities. Specifically, we prove an analogue of the “Lone Wolf Theorem” of classical matching theory, showing that when utility is perfectly transferable, any... View Details
- 2020
- Working Paper
Best Ideas
By: Miguel Antón, Randolph B. Cohen and Christopher Polk
We find that the stocks in which active mutual fund or hedge fund managers display the most conviction towards ex-ante, their “Best ideas,” outperform the market, as well as the other stocks in those managers’ portfolios, by approximately 2.8 to 4.5 percent per year,... View Details
- June 2020 (Revised October 2020)
- Case
Muddy Waters vs. eHealth: The Debate of a 'Lifetime'
By: Jonas Heese and Cristo Liautaud
In May 2020, an analyst was assessing eHealth’s performance. eHealth was an online / tele-sales broker of health insurance products. The stock had recently hit all-time highs, closing at a peak of $146 on March 4, 2020. But now, May 4, 2020, eHealth traded at $103. The... View Details