Publications
Publications
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- All HBS Web
(2,727)
- Faculty Publications (634)
- January 2022
- Article
Artificial Intelligence, Data-Driven Learning, and the Decentralized Structure of Platform Ecosystems
By: David R. Clough and Andy Wu
Gregory, Henfridsson, Kaganer, and Kyriakou (2020) highlight the important role of data and AI as strategic resources that platforms may use to enhance user value. However, their article overlooks a significant conceptual distinction: the installed base of... View Details
Keywords: Artificial Intelligence; Data Strategy; Ecosystem; Value Capture; Digital Platforms; Analytics and Data Science; Strategy; Learning; Value Creation; AI and Machine Learning; Information Technology Industry; Information Technology Industry; Information Technology Industry; Information Technology Industry
- 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
The Fed and the Secular Decline in Interest Rates
In this paper I document a striking fact: a narrow window around Fed meetings fully captures the secular decline in U.S. Treasury yields since 1980. By contrast, yield movements outside this window are transitory and wash out over time. This is surprising because the... View Details
- December 2021 (Revised February 2022)
- Case
Bed Bath & Beyond: The New Strategy to Drive Shareholder Value
By: Benjamin C. Esty and Daniel W. Fisher
At one time, Bed Bath & Beyond was one of the most successful specialty retailers in the United States—its growth and profit margins far exceeded both peer retailers in the home goods market as well as many other discount retailers. But in 2014, its stock price peaked,... View Details
- Winter 2021
- Article
Mobile Internet Usage and Usage-based Pricing
By: Jeffrey Prince and Shane Greenstein
Using data on mobile Internet usage of thousands of individuals, we provide some of the first analyses linking mobile usage to key demographics such as income. We find a reverse-U relationship between mobile Internet usage and income—notably different than the... View Details
- 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... 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
- 2024
- Working Paper
Omnia Juncta in Uno: Foreign Powers and Trademark Protection in Shanghai's Concession Era
By: Laura Alfaro, Cathy Bao, Maggie X. Chen, Junjie Hong and Claudia Steinwender
We investigate how firms and markets adapt to trademark protection, an extensively utilized but under-examined form of IP protection to address asymmetric information, by exploring a historical precedent: China’s 1923 trademark law. Exploiting unique, newly digitized... View Details
- November 2021 (Revised December 2022)
- Case
Farfetch: Digital Transformation for Luxury Brands
By: Sunil Gupta, Jill Avery, Elena Corsi and Federica Gabrieli
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 fluctuated since its IPO in 2018, it had... View Details
Keywords: Digital Marketing; Marketplaces; Retailing; Internet Marketing; E-Commerce Strategy; Marketing; Marketing Strategy; Marketing Channels; Brands and Branding; Luxury; Growth and Development Strategy; Digital Transformation; E-commerce; Apparel and Accessories Industry; Beauty and Cosmetics Industry; Fashion Industry; Retail Industry; Web Services Industry; Technology Industry; United Kingdom; Europe; Portugal; China
- November 2021 (Revised December 2021)
- Supplement
PittaRosso (B): Human and Machine Learning
By: Ayelet Israeli
This case supplements the "PittaRosso: Artificial Intelligence-Driven Pricing and Promotion" case, and provides major highlights on what happened at the company since the first case. View Details
Keywords: Artificial Intelligence; Pricing; Pricing Algorithm; Pricing Decisions; Pricing Strategy; Pricing Structure; Promotion; Promotions; Online Marketing; Data-driven Decision-making; Data-driven Management; Retail; Retail Analytics; Price; Advertising Campaigns; Analytics and Data Science; Analysis; Digital Marketing; Budgets and Budgeting; Marketing Strategy; Marketing; Transformation; Decision Making; AI and Machine Learning; Retail Industry; Italy
- 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
- October 2021 (Revised September 2022)
- Case
GoPro: Becoming a Subscription Hero
By: Elie Ofek, Marco Bertini and Nicole Tempest Keller
In 2021, Nick Woodman, founder and CEO of GoPro, was reviewing the company’s subscription offering, considering whether to extend it beyond benefits that were directly related to the company’s iconic camera. Founded in 2002, GoPro had gained renown for its innovative... View Details
- October 2021 (Revised May 2023)
- Case
Engine No. 1: An Impact Investing Firm Engages with ExxonMobil
By: Mark Kramer, Shawn Cole, Vikram S. Gandhi and T. Robert Zochowski
ExxonMobil, the world's fifth largest source of carbon emissions, remained committed to aggressively expanding its oil & gas business despite global warming. During the COVID pandemic this strategy resulted in massive losses as the price and demand for oil declined. ... View Details
- October 2021 (Revised March 2022)
- Supplement
PittaRosso: Artificial Intelligence-Driven Pricing and Promotion
By: Ayelet Israeli and Fabrizio Fantini
PittaRosso, a traditional Italian shoe retailer, is implementing an AI system to provide pricing and promotion recommendations. The system allows them to implement changes that would affect both the top of funnel and bottom of funnel activities for the company: once... View Details
Keywords: Artificial Intelligence; Pricing; Pricing Algorithm; Pricing Decisions; Pricing Strategy; Pricing Structure; Promotion; Promotions; Online Marketing; Data-driven Decision-making; Data-driven Management; Retail; Retail Analytics; Price; Advertising Campaigns; Analytics and Data Science; Analysis; Digital Marketing; Budgets and Budgeting; Marketing Strategy; Marketing; Transformation; Decision Making; Retail Industry; Italy
- October 2021 (Revised June 2022)
- Case
PittaRosso: Artificial Intelligence-Driven Pricing and Promotion
By: Ayelet Israeli
PittaRosso, a traditional Italian shoe retailer, is implementing an AI system to provide pricing and promotion recommendations. The system allows them to implement changes that would affect both the top of funnel and bottom of funnel activities for the company: once... View Details
Keywords: Artificial Intelligence; Pricing; Pricing Algorithm; Pricing Decisions; Pricing Strategy; Pricing Structure; Promotion; Promotions; Online Marketing; Data-driven Decision-making; Data-driven Management; Retail; Retail Analytics; AI; Price; Advertising Campaigns; Analytics and Data Science; Analysis; Digital Marketing; Budgets and Budgeting; Marketing Strategy; Marketing; Transformation; Decision Making; AI and Machine Learning; Retail Industry; Italy
- September 2021 (Revised October 2021)
- Case
Tesla's Uncertain Fate as EV Race Accelerates
By: David Collis and Haisley Wert
By September 2021, Tesla had a staggering market cap of $755 billion. As the leader of the automobile industry, Tesla’s worth surpassed that of the six largest runner-ups combined, including Toyota, Volkswagen, BYD, Daimler, Great Wall Motors, and General Motors. As... View Details
- September 17, 2021
- Article
AI Can Help Address Inequity—If Companies Earn Users' Trust
By: Shunyuan Zhang, Kannan Srinivasan, Param Singh and Nitin Mehta
While companies may spend a lot of time testing models before launch, many spend too little time considering how they will work in the wild. In particular, they fail to fully consider how rates of adoption can warp developers’ intent. For instance, Airbnb launched a... View Details
- August 2021
- Supplement
Shorefast: A Strange and Familiar Way to Reimagine Capitalism: Zita Cobb, Founder and CEO
By: Brian Trelstad
Video Supplement for HBS Case No. 320-098. In 2006, Zita Cobb and two of her brothers, Alan Cobb and Tony Cobb, native Newfoundlanders, launched Shorefast to help grow another leg of Fogo Island’s economy. Like so many rural communities, Fogo Island’s fate was tied... View Details
- July 2021
- Teaching Plan
Shorefast: A Strange and Familiar Way to Reimagine Capitalism
By: Brian Trelstad, Wendy Smith and Natalie Slawinski
Teaching Plan for HBS Case No. 320-098. In 2006, Zita Cobb and two of her brothers, Alan Cobb and Tony Cobb, native Newfoundlanders, launched Shorefast to help grow another leg of Fogo Island’s economy. Like so many rural communities, Fogo Island’s fate was tied... View Details
- July 2021
- Article
Material Sustainability Information and Stock Price Informativeness
By: Jody Grewal, Clarissa Hauptmann and George Serafeim
As part of the SEC’s revision of Regulation S-K, many investors proposed the mandatory disclosure of sustainability information in the form of environmental, social, and governance (ESG) data. However, progress is contingent on collecting evidence regarding which... View Details
Keywords: Voluntary Disclosure; Accounting Standards; Sustainability; Nonfinancial Information; Corporate Social Responsibility; Stock Price Informativeness; Synchronicity; Environmental Sustainability; Corporate Disclosure; Corporate Accountability; Stocks; Price; Corporate Social Responsibility and Impact; Accounting; Standards