Publications
Publications
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- All HBS Web
(1,612)
- Faculty Publications (210)
- 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
- November 2020
- Teaching Note
Valuing Celgene's CVR
By: Benjamin C. Esty and Daniel Fisher
Teaching Note for HBS Case No. 221-031. When Bristol-Myers Squibb (BMS) acquired Celgene Corporation in November 2019, Celgene shareholders received cash, BMS stock, and a contingent value right (CVRs) that would pay $9 if the U.S. Food and Drug Administration (FDA)... View Details
- November 2020
- Supplement
Valuing Celgene's CVR
By: Benjamin C. Esty and Daniel Fisher
When Bristol-Myers Squibb (BMS) acquired Celgene Corporation in November 2019, Celgene shareholders received cash, BMS stock, and a contingent value right (CVRs) that would pay $9 if the U.S. Food and Drug Administration (FDA) approved three of Celgene’s late stage... View Details
- November 2020
- Case
Valuing Celgene's CVR
By: Benjamin C. Esty and Daniel Fisher
When Bristol-Myers Squibb (BMS) acquired Celgene Corporation in November 2019, Celgene shareholders received cash, BMS stock, and a contingent value right (CVRs) that would pay $9 if the U.S. Food and Drug Administration (FDA) approved three of Celgene’s late stage... View Details
- 2020
- Working Paper
Revenue Collapses and the Consumption of Small Business Owners in the Early Stages of the COVID-19 Pandemic
By: Olivia S. Kim, Jonathan A. Parker and Antoinette Schoar
Using detailed transaction-level data from financial accounts, this paper shows that the revenues of small businesses and the consumption spending of their owners both decline by roughly 40% following the declaration of the national emergency in March 2020. However,... View Details
- Fall 2020
- Article
Business Credit Programs in the Pandemic Era
By: Samuel G. Hanson, Jeremy C. Stein, Adi Sunderam and Eric Zwick
We develop a pair of models that speak to the goals and design of the sort of business-lending and corporate-bond purchase programs that have been introduced by governments in response to the ongoing COVID-19 pandemic. An overarching theme is that, in contrast to the... View Details
- Fall 2020
- Article
Sizing Up Corporate Restructuring in the COVID Crisis
By: Robin Greenwood, Benjamin Iverson and David Thesmar
In the wake of the COVID-19 pandemic, the financial and legal system will need to deal with a surge of financial distress in the business sector. Some firms will be able to survive, while others will face bankruptcy and thus need to be liquidated or reorganized. Many... View Details
- September 2020
- Supplement
Comviva: Exploring New Frontiers (B)
By: Dante Roscini, Mahima Rao-Kachroo and Shreya Ramachandran
After articulating its ambitious growth plans, mobile services provider Mahindra Comviva, active in over 90 countries, is thinking about how to titrate and re-plan its growth strategy given the coronavirus pandemic. Its India headquarters considers its people costs,... View Details
- 2020
- Working Paper
Bankruptcy and the COVID-19 Crisis
By: Jialan Wang, Jeyul Yang, Benjamin Iverson and Raymond Kluender
We examine the impact of the COVID-19 economic crisis on business and consumer bankruptcies in the United States using real-time data on the universe of filings. Historically, bankruptcies have closely tracked the business cycle and contemporaneous unemployment rates.... View Details
- September 8, 2020
- Article
Allocation of COVID-19 Relief Funding to Disproportionately Black Counties
By: Pragya Kakani, Amitabh Chandra and Sendhil Mullainathan
This study describes correlations between the dollar amount of relief funding authorized by the US Congress to fund prevention, diagnosis, and treatment of coronavirus disease 2019 (COVID-19) and to reimburse health care entities for lost revenues, and county-level... 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
- 2020
- Working Paper
Consumers Punish Firms That Cut Employee Pay in Response to COVID-19
By: Bhavya Mohan, Serena Hagerty and Michael Norton
Two experiments, including one incentive compatible study, examine the impact of cutting pay for executives versus employees in response to COVID-19 on consumer behavior. Study 1 explores the effect of announcing cuts or no cuts to CEO and employee pay, and shows that... View Details
- 2020
- Working Paper
What Can Economics Say About Alzheimer's Disease?
By: Amitabh Chandra, Courtney Coile and Corina Mommaerts
Alzheimer’s Disease (AD) affects one in ten people aged 65 or older and is the most expensive disease in the United States. We describe the central economic questions raised by AD. While there is overlap with the economics of aging, the defining features of the... View Details
- July 28, 2020
- Article
Economic Vulnerability of Households with Essential Workers
By: Grace McCormack, Christopher Avery, Ariella Kahn-Lang Spitzer and Amitabh Chandra
The label of “essential worker” reflects society’s needs but does not mean that society has compensated those workers for additional risks incurred on the job during the current pandemic. When an essential worker contracts severe acute respiratory syndrome coronavirus... View Details
- Article
The Impact of COVID-19 on Small Business Outcomes and Expectations
By: Alexander Bartik, Marianne Bertrand, Zoë B. Cullen, Edward L. Glaeser, Michael Luca and Christopher Stanton
To explore the impact of COVID on small businesses, we conducted a survey of more than 5,800 small businesses between March 28 and April 4, 2020. Several themes emerged. First, mass layoffs and closures had already occurred—just a few weeks into the crisis. Second, the... View Details
- July 2020
- Case
Mortgage Backed Securities and the Covid-19 Pandemic
By: Emil N. Siriwardane, Luis M. Viceira and Dean Xu
In April 2020, global financial markets were still reeling as the COVID-19 pandemic spread rapidly across the world. Global equity markets had initially fallen by 30% in response to the pandemic, and high-yield credit markets had dropped by nearly 20%. In contrast,... View Details
- July 2020
- Teaching Note
COVID-19: The Global Shutdown
By: Laura Alfaro and Sarah Jeong
In the first months of 2020, a pandemic overwhelmed the world. COVID-19, commonly known as the coronavirus, spread from China and created a severe public health emergency across countries. While an immediate fear of the disease’s impact on human life permeaacted... View Details
- June 2020
- Supplement
TransDigm in 2017: Congressional Hearing on the DoD Inspector General’s Report (5/15/19)
By: Benjamin C. Esty
This video accompanies the case, “TransDigm in 2017: The Beginning of the End or the End of the Beginning?” View Details
Keywords: Value Capturing; Pricing Strategy; Supplier Power; Buyer Power; Porter's Five Forces; Bargaining Power; Monopoly; Aerospace; Acquisition Strategy; Value Drivers; Ethical Behavior; Regulation; Growth Strategy; Business Ethics; Defense; Procurement; Sustainability; Value Based Health Care; Acquisition; Ethics; Private Equity; Financial Strategy; Growth Management; Performance Evaluation; Business Strategy; Competitive Strategy; Horizontal Integration; Value Creation; Competitive Advantage; Aerospace Industry; Air Transportation Industry; United States
- 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
- June 2020 (Revised February 2021)
- Supplement
Accounting for Leases at American Airlines (B)
By: Jonas Heese, Gerardo Pérez Cavazos and Julia Kelley
This is a supplement to the “Accounting for Leases at American Airlines (A)” case. The (B) case describes American Airlines’ financial results for the first quarter of 2020, as well as the continuing effects of coronavirus on the airline industry. View Details
Keywords: Accounting; Financial Reporting; Financial Statements; Finance; Governance; Corporate Accountability; Corporate Governance; Governing Rules, Regulations, and Reforms; Governing and Advisory Boards; Leasing; Health Pandemics; Accounting Industry; Air Transportation Industry; North and Central America; United States