Publications
Publications
Show Results For
- All HBS Web
(18,963)
- Faculty Publications (6,971)
- November 2023
- Case
Copilot(s): Generative AI at Microsoft and GitHub
By: Frank Nagle, Shane Greenstein, Maria P. Roche, Nataliya Langburd Wright and Sarah Mehta
This case tells the story of Microsoft’s 2018 acquisition of GitHub and the subsequent launch of GitHub Copilot, a tool that uses generative artificial intelligence to suggest snippets of code to software developers in real time. Set in late 2021, when Copilot was... View Details
- November 2023
- Case
Tata Group in 2021: Pursuing Profits through Purpose
By: Tarun Khanna, Krishna G. Palepu and Vidhya Muthuram
October 8, 2021: Tata Sons won a bid to acquire India’s national carrier Air India, marking the airline's return to its original owners after 68 long years. The winning bid of $2.4 billion gave Tata Sons full ownership of the airline and its coveted network of 6,200... View Details
- November 2023
- Case
Apple Inc. in 2023
By: David B. Yoffie and Sarah von Bargen
Under CEO Tim Cook, Apple became the first trillion dollar market cap company, the first two trillion dollar company, and the first three trillion dollar company. Since the COVID pandemic, Apple gained over 20% of the world smartphone market and 50% of the U.S. market,... View Details
- November 2023 (Revised January 2024)
- Case
Bridgit: Persevere or Pivot?
By: Reza Satchu and Patrick Sanguineti
In late 2012, Mallorie Brodie and Lauren Lake, two young women in their final year of college, founded Bridgit, a technology startup that developed solutions to simplify vital but laborious processes within the construction industry. In the Fall of 2013, after months... View Details
- November 2023
- Teaching Plan
Geely SEA: New Electric Vehicle Platforms
By: Willy Shih
Teaching Plan for HBS Case No. 622-001. Kent Bovellan, the Chief Engineer and Head of the Vehicle Architecture Center for Geely Holding, the Hangzhou, China headquartered global automotive group, was debating the platform choice for an upcoming "D" segment midsized... View Details
- November 2023 (Revised April 2024)
- Case
Celsius Network Inc.: Fear, Uncertainty, and Doubt in the Brave New World of Crypto Bankruptcy
By: Stuart C. Gilson and Sarah L. Abbott
In July 2022, Celsius Network filed for Chapter 11 bankruptcy. CEO Alex Mashinsky acknowledged that Celsius had grown its assets “faster than the Company was prepared to deploy [them]” and as a result had made “certain poor asset deployment decisions.” Two months after... View Details
- 2023
- Working Paper
Flow-Driven ESG Returns
I show that the recent returns to ESG investing are strongly driven by price impact
from flows towards ESG funds. Using data on institutional trades, I estimate the
market’s ability to accommodate the demand of ESG funds, which is given by the
elasticity of... View Details
- November–December 2023
- Article
Look the Part? The Role of Profile Pictures in Online Labor Markets
By: Isamar Troncoso and Lan Luo
Profile pictures are a key component of many freelancing platforms, a design choice that can impact hiring and matching outcomes. In this paper, we examine how appearance-based perceptions of a freelancer’s fit for the job (i.e., whether a freelancer "looks the part"... View Details
- 2023
- Working Paper
The Equity Market Implications of the Retail Investment Boom
By: Philippe van der Beck and Coralie Jaunin
This paper quantifies the impact of Robinhood traders on the US equity market. Within a structural model, we estimate retail and institutional demand curves and derive aggregate pricing implications via market clearing. The inelastic nature of institutional demand... View Details
- 2023
- Working Paper
The Optimal Stock Valuation Ratio
By: Sebastian Hillenbrand and Odhrain McCarthy
Trailing price ratios, such as the price-dividend and the price-earnings ratio, scale prices by trailing cash flow measures. They theoretically contain expected returns, yet, their performance in predicting stock market returns is poor. This is because of an omitted... View Details
- 2024
- Working Paper
What Do Impact Investors Do Differently?
In recent years, impact investors—private investors who seek to generate simultaneously financial and social returns—have attracted intense interest and controversy. We introduce and analyze a novel, comprehensive data set of impact
and traditional investors to assess... View Details
- October 2023 (Revised April 2024)
- Case
Veeva Systems: The Next Frontier
By: Satish Tadikonda and William Marks
Born out of a desire to bring technological advances in enterprise software into the healthcare vertical, Peter Gassner and Matt Wallach founded Veeva to bring life sciences companies into the digital age for data management in both the commercial and R&D sectors. Over... View Details
- October 2023 (Revised July 2025)
- Case
KOKO Networks: Bridging Energy Transition and Affordability with Carbon Financing
By: George Serafeim, Siko Sikochi and Namrata Arora
The problem was massive: two million hectares of African forests were lost annually to charcoal production for cooking, an area equivalent to 13 times Greater London, resulting in one billion tons of carbon emissions yearly. At the same time, an estimated 700,000... View Details
Keywords: Clean Tech; Digital; Carbon Credits; Carbon Offsetting; Africa; Emerging Markets; Energy; Climate Change; Entrepreneurship; Energy Sources; Environmental Sustainability; Health; Market Design; Business Startups; Transition; Environmental Regulation; Policy; Energy Industry; Consumer Products Industry; Africa; Kenya; Rwanda
- 2022
- Working Paper
Why Do Index Funds Have Market Power? Quantifying Frictions in the Index Fund Market
By: Zach Y. Brown, Mark Egan, Jihye Jeon, Chuqing Jin and Alex A. Wu
Index funds are one of the most common ways investors access financial markets and are perceived to be a transparent and low-cost alternative to active investment management. Despite these purported virtues of index fund investing and the introduction of new products... View Details
- October 2023
- Case
Leading Transformation at IHCL
By: Krishna G. Palepu, V.G. Narayanan and Malini Sen
In November 2017, Puneet Chhatwal, took charge as MD and CEO of IHCL, popularly referred to as the Taj Hotels. Despite being India’s largest hospitality company by market capitalization and respected for its values and service, IHCL had made losses for the last seven... View Details
- October 2023 (Revised April 2024)
- Case
TetraScience: Unlocking the Power of Scientific Data
By: Satish Tadikonda and William Marks
After pivoting from a focus on hardware to a focus on scientific data, TetraScience, led by veteran SaaS executive, Patrick Grady and Founder Spin Wang, has embarked on a journey from nearly cash-out to a player in the scientific data management space. This case... View Details
- October 2023 (Revised March 2024)
- Case
GameStop: Social Media Finds a Cheat Code (A)
By: Joseph Pacelli and Sarah Mehta
This case covers the events leading up to the 2021 GameStop short squeeze. Using GameStop as an illustrative example, the case explores the rise in retail trading, increased financial information sharing on social media, and the gamification of investing enabled by... View Details
- October 2023 (Revised February 2024)
- Technical Note
Design and Evaluation of Targeted Interventions
By: Eva Ascarza and Ta-Wei (David) Huang
Targeted interventions serve as a pivotal tool in business strategy, streamlining decisions for enhanced efficiency and effectiveness. This note delves into two central facets of such interventions: first, the design of potent decision guidelines, or targeting... View Details
- October 2023
- Case
JPMorgan Chase in Paris
By: Joseph L. Bower, Dante Roscini, Elena Corsi and Michael Norris
In 2019, Daniel Pinto, President and COO of JPMorgan Chase, has to make a recommendation to the bank’s Chairman and CEO, Jamie Dimon, about where to physically locate the bank’s European trading operations after Brexit takes effect in 2020. The decision-making process... View Details