Publications
Publications
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- Faculty Publications (4,447)
- March 2022
- Article
Estimating the Effectiveness of Permanent Price Reductions for Competing Products Using Multivariate Bayesian Structural Time Series Models
By: Fiammetta Menchetti and Iavor Bojinov
Researchers regularly use synthetic control methods for estimating causal effects when a sub-set of units receive a single persistent treatment, and the rest are unaffected by the change. In many applications, however, units not assigned to treatment are nevertheless... View Details
- 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... View Details
- March 2022
- Teaching Note
Farfetch: Digital Transformation for Luxury Brands
By: Jill Avery and Sunil Gupta
Teaching Note for HBS Case No. 522-051. Farfetch, a global luxury technology platform and digital marketplace had been surfing the wave of digital transformation in the luxury fashion industry since 2008. While the company’s stock price and market valuation had... View Details
- 2022
- Working Paper
High-Yield Debt Covenants and Their Real Effects
By: Falk Bräuning, Victoria Ivashina and Ali Ozdagli
High-yield debt including leveraged loans is characterized by incurrence financial covenants, or “cov-lite” provisions. A traditional loan agreement includes maintenance covenants, which require continuous compliance with the covenant threshold, and their violation... View Details
- March 2022
- Article
Learning to Rank an Assortment of Products
By: Kris Ferreira, Sunanda Parthasarathy and Shreyas Sekar
We consider the product ranking challenge that online retailers face when their customers typically behave as “window shoppers”: they form an impression of the assortment after browsing products ranked in the initial positions and then decide whether to continue... View Details
- 2022
- Article
Open or Closed? Your Mind, Your Decision!
By: Gerald Zaltman
The marketing profession faces challenging times. The shelf life for decisions and the half-life of the knowledge used, are becoming shorter and shorter while the problems addressed are becoming messier. Fortunately, the emergence of what I call the “prosthetic age” is... View Details
- March 2022 (Revised December 2022)
- Case
Perch
By: Jeffrey F. Rayport, Stacy Straaberg and Julia Kelley
In May 2021, Perch CEO Chris Bell needed to decide whether his e-commerce aggregator company, which bought and scaled Amazon Marketplace brands, should acquire up to three acquisition targets. The prospective acquisitions, Web Deals Direct, HomeCo, and Future Brands,... View Details
Keywords: Business Ventures; Acquisition; Business Growth and Maturation; Decision Making; Cost vs Benefits; Decision Choices and Conditions; Decisions; Management; Growth and Development Strategy; Strategy; Business Strategy; Integration; E-commerce; Consumer Products Industry; Retail Industry; Technology Industry; North America; United States; Massachusetts; Boston; California; Asia; Philippines
- March 2022
- Article
When Less Is More: Consumers Prefer Brands that Donate More in Relative versus Absolute Terms
By: Elizabeth A. Keenan, Anne V. Wilson and Leslie K. John
When trying to make a good impression on consumers through charitable giving, is it better for brands to maximize the overall dollars they donate or how much they give in relative terms; for example, the proportion of profits? Across five studies we show that consumers... View Details
- 2022
- Article
Which Corporate ESG News Does the Market React To?
By: George Serafeim and Aaron Yoon
Using a dataset that classifies firm-level ESG news as positive and negative, we examine how stock prices react to different types of ESG news. We analyze 111,020 firm-day observations for 3,126 companies and find that prices react only to issues identified as... View Details
- March 2022
- Article
Winner Takes All? Tech Clusters, Population Centers, and the Spatial Transformation of U.S. Invention
By: Brad Chattergoon and William R. Kerr
U.S. invention has become increasingly concentrated around major tech centers since the 1970s, with implications for how much cities across the country share in concomitant local benefits. Is invention becoming a winner-takes-all race? We explore the rising spatial... View Details
- February 2022 (Revised June 2022)
- Case
Resident 2020
By: Jeffrey F. Rayport and Thomas O. Jones
Launched in 2016, Resident was a leading player in the direct-to-consumer bed-in-a-box mattress market, where it was one of at least 175 venture-backed companies competing in the space. By late 2020, it had realized over $500 million in revenue, profitability in the... View Details
- February 2022 (Revised May 2022)
- Case
Jaypee Infratech and the Indian Bankruptcy Code
By: Kristin Mugford, William Vrattos and Radhika Kak
In 2016, India passed a new bankruptcy law (IBC) to counter a brewing bank crisis and increased corporate distress. Homebuilder Jaypee Infratech, one of India largest distressed companies (the “dirty dozen”) began restructuring under the IBC in 2017. Two years later,... View Details
Keywords: Restructuring; Decisions; Judgments; Voting; Developing Countries and Economies; Financial Crisis; Public Sector; Asset Pricing; Borrowing and Debt; Corporate Finance; Credit; Insolvency and Bankruptcy; Debt Securities; Bonds; Investment Return; Price; Government Legislation; Laws and Statutes; Bids and Bidding; Business and Stakeholder Relations; Risk and Uncertainty; Valuation; Real Estate Industry; India; Delhi
- 2022
- Working Paper
Exploring the Relationship between Team Diversity, Psychological Safety and Team Performance: Evidence from Pharmaceutical Drug Development
By: Henrik Bresman and Amy C. Edmondson
Breakthrough performance in teams requires pooling diverse perspectives and expertise. To realize the potential of diversity, communicating and translating across differences is essential. However, left to their own devices, diverse teams tend to underperform, in part... View Details
- February 2022 (Revised February 2023)
- Case
TikTok in 2020: Super App or Supernova? (Abridged)
By: Jeffrey F. Rayport, Dan Maher and Dan O'Brien
TikTok’s parent company, ByteDance, was launched in 2012 around a simple idea—helping users entertain themselves on their smartphones while on the Beijing Subway. In less than a decade, it had become one of the world’s most valuable private companies, with investors... View Details
- February 2022
- Case
Leading The UK Vaccine Task Force
By: Amy C. Edmondson and Claudia Pienica
This case describes the first six months of the UK Vaccine Taskforce, under the leadership of Kate Bingham. With a career spent in the private sector as a biotech investor, Bingham’s appointment within the government was considered unusual. The overarching brief given... View Details
Keywords: COVID-19; Vaccine; Government; Health Pandemics; Health Care and Treatment; Science; Innovation and Invention; Groups and Teams; Leadership; Decision Making; Government and Politics; Health; Innovation and Management; Governance; Change; Government Administration; Health Industry; Financial Services Industry; Public Administration Industry; Europe; United Kingdom
- February 15, 2022
- Article
How Managers Can Build a Culture of Experimentation
By: Frank V. Cespedes and Neil Hoyne
Testing in business presents qualitatively different challenges than those in clinical trials and most scientific research. There are very few opportunities for randomized control experiments in a changing, competitive market. Yet, change and competition make testing a... View Details
- February 2022
- Case
Paul Polman
By: Elizabeth A. Keenan, Youngme Moon and Susie Ma
Over his 40-year career, Paul Polman had led some of the world’s largest consumer goods companies, making his biggest mark as CEO of Unilever—a multi-national corporation that produced everything from soap to soup. Polman was also well-regarded as a leader in corporate... View Details
- February 2022
- Case
Toraya
By: Lauren Cohen and Akiko Kanno
Mitsuharu Kurokawa was the 18th generation leader of a family firm that produced and sold premium Japanese sweets, Toraya Confectionery Co., Ltd. He had succeeded the business from his father, Mitsuhiro Kurokawa who had led the firm for thirty years. Mitsuharu was... View Details
- February 2022 (Revised October 2022)
- Case
Ample Hills Creamery
By: Tom Eisenmann, Lindsay N. Hyde and Tom Quinn
Ample Hills Creamery started in 2010 as a temporary ice cream pushcart in Brooklyn, New York City. On the strength of inventive flavors and clever marketing, husband-and-wife founders Brian Smith and Jackie Cuscuna built a premium, artisanal dessert empire of 16 retail... View Details
- February 2022
- Case
Launching the Social
By: Tom Eisenmann, Lindsay N. Hyde and Tom Quinn
This case features the same protagonists as Ample Hills Creamery (HBS No. 822-073), and can be used as a continuation of that story.
Ample Hills Creamery started in 2010 as a temporary ice cream pushcart in Brooklyn, New York City. On the strength of inventive... View Details