Publications
Publications
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(3,162)
- Faculty Publications (592)
- November 2022
- Case
GE: A New Way Forward?
By: David J. Collis and Haisley Wert
One of the most iconic American companies, General Electric (GE) was founded in 1892 in New York state. Named among the original dozen companies on the Dow Jones index in 1896, it was the list’s most tenacious holdout, maintaining its “blue chip” stock status for over... View Details
- 2022
- Working Paper
How Do Investors Value ESG?
By: Malcolm Baker, Mark Egan and Suproteem K. Sarkar
Environmental, social, and governance (ESG) objectives have risen to near the top of the agenda for corporate executives and boards, driven in large part by their perceptions of shareholder interest. We quantify the value that shareholders place on ESG using a revealed... View Details
- 13 Oct 2022
- Other Presentation
4 Business Ideas That Changed the World: Disruptive Innovation
By: Amy Bernstein, Rita McGrath, Felix Oberholzer-Gee and Derek van Bever
A roundtable conversation takes stock of Clayton Christensen’s influential theory. This first in a series of roundtable conversations assessing the origins and impact of four breakthrough ideas.
In the 1980s, Clayton Christensen cofounded a startup that... View Details
In the 1980s, Clayton Christensen cofounded a startup that... View Details
Keywords: Disruptive Innovation
- Article
Recovering Investor Expectations from Demand for Index Funds
By: Mark Egan, Alexander J. MacKay and Hanbin Yang
We use a revealed-preference approach to estimate investor expectations of stock market returns. Using data on demand for index funds that follow the S&P 500, we develop and estimate a model of investor choice to flexibly recover the time-varying distribution of... View Details
- September 2022 (Revised May 2024)
- Case
Navya: Steering toward a Driverless Future
By: Julian De Freitas, Elie Ofek, Shaun Ingledew and Tonia Labruyere
In 2022, Sophie Desormière arrived at French roboshuttle producer Navya, tasked with charting a new course in a challenging sector. The company, which had recently listed on the Paris Stock Exchange, was burning through cash reserves and needed to transform the promise... View Details
- 2022
- Working Paper
Algorithmic Assortment Curation: An Empirical Study of Buybox in Online Marketplaces
By: Santiago Gallino, Nil Karacaoglu and Antonio Moreno
Most online sales worldwide take place in marketplaces that connect sellers and buyers. The presence of numerous third-party sellers leads to a proliferation of listings for each product, making it difficult for customers to choose between the available options. Online... View Details
- 2022
- Working Paper
Overreaction and Diagnostic Expectations in Macroeconomics
By: Pedro Bordalo, Nicola Gennaioli and Andrei Shleifer
We present the case for the centrality of overreaction in expectations for addressing important challenges in finance and macroeconomics. First, non-rational expectations by market participants can be measured and modeled in ways that address some of the key challenges... View Details
- Article
The Value of Intermediation in the Stock Market
By: Marco Di Maggio, Mark Egan and Francesco Franzoni
We estimate a structural model of broker choice to quantitatively decompose the value that institutional investors attach to broker services. Studying over 300 million institutional equity trades, we find that investors are sensitive to both explicit and implicit... View Details
- March 2022 (Revised March 2024)
- Case
Hometown Foods: Changing Price amid Inflation
During the early part of the 2021 Covid-19 pandemic, Hometown Foods, a large seller of flour-based products, thrived as consumers hoarded baked goods and took up baking to pass the time and find comfort. Then, amid growing shortages in commodities, a vaccine arrived,... View Details
- 2022
- Working Paper
Stock Market Stimulus
By: Robin Greenwood, Toomas Laarits and Jeffrey Wurgler
We study the stock market effects of the arrival of the three rounds of “stimulus checks” to U.S. taxpayers and the single round of direct payments to Hong Kong citizens. The first two rounds of U.S. checks appear to have increased retail buying and share prices of... View Details
Keywords: Stock Market; COVID-19 Pandemic; Fiscal Stimulus; Stimulus Payments; Impact; Stocks; System Shocks; Price; Spending; United States; Hong Kong; China
- 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
- 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
- 2022
- Working Paper
What Triggers National Stock Market Jumps?
By: Scott R. Baker, Nicholas Bloom, Steven J. Davis and Marco Sammon
We examine newspapers the day after major stock-market jumps to evaluate the proximate cause, geographic source, and clarity of these events from 1900 in the US, 1930 in the UK and 1980 in 12 other countries. We find four main results. First, the United States plays an... View Details
- January 2022 (Revised February 2022)
- Case
Introducing EVA at ISS: A Better Way to Evaluate CEO Performance and Compensation?
By: Jonas Heese, Charles C.Y. Wang and James Weber
In early 2019, Anthony Campagna, the global director of fundamental research at ISS EVA, a unit of the proxy advisory firm Institutional Shareholder Services (ISS), was preparing to release ISS's analyses of public company performance and CEO compensation ahead of Say... View Details
- January 2022 (Revised November 2023)
- Supplement
Uber in China (C): The Cost of Success for Didi
By: William C. Kirby and Noah B. Truwit
On June 30, 2021, ride-hailing giant Didi Chuxing (Didi) raised $4.4 billion in its initial public offering (IPO) on the New York Stock Exchange (NYSE), the largest IPO of a Chinese company listed on an American exchange since Alibaba raised $25 billion in 2014.... View Details
- 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
- 2021
- Working Paper
Stock Investors' Returns Are Exaggerated
By: Jesse M. Fried, Paul Ma and Charles C.Y. Wang
The stock market generates less wealth than it appears. We show that total shareholder return (TSR), the standard measure of stock investor performance, substantially exaggerates returns earned by these investors in aggregate, and thus by most investors. The main... View Details