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- March 2023
- Article
Giving-by-proxy Triggers Subsequent Charitable Behavior
By: Samantha Kassirer, Jillian J. Jordan and Maryam Kouchaki
How can we foster habits of charitable giving? Here, we investigate the potential power of giving-by-proxy experiences, drawing inspiration from a growing trend in marketing and corporate social responsibility contexts in which organizations make charitable...
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- 2022
- Working Paper
Pay-As-You-Go Insurance: Experimental Evidence on Consumer Demand and Behavior
By: Ray Kluender
Pay-as-you-go contracts reduce minimum purchase requirements which may increase market participation. We randomize the introduction and price(s) of a novel pay-as-you-go contract to the California auto insurance market where 17 percent of drivers are uninsured. The...
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- December 2022
- Article
Competition, Contracts, and Creativity: Evidence from Novel Writing in a Platform Market
By: Yanhui Wu and Feng Zhu
A growing number of people today are participating in the gig economy, working as independent contractors on short-term projects. We study the effects of competition on gig workers' effort and creativity on a Chinese novel-writing platform. Authors produce and sell...
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- 2022
- Working Paper
The Disappearing Index Effect
By: Robin Greenwood and Marco Sammon
The abnormal return associated with a stock being added to the S&P 500 has fallen from an average of 3.4% in the 1980s and 7.6% in the 1990s to 0.8% over the past decade. This has occurred despite a significant increase in the percentage of stock market assets linked...
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- 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...
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- 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...
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- 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
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...
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- September 2022 (Revised December 2022)
- 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...
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- 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...
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- 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...
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- July 2022
- Article
The Pass-Through of Uncertainty Shocks to Households
By: Marco Di Maggio, Amir Kermani, Rodney Ramcharan, Vincent Yao and Edison Yu
Using new employer-employee matched data, this paper investigates the impact of uncertainty, as measured by idiosyncratic stock market volatility, on individual outcomes. We find that firms provide at best partial insurance to their workers. An increase in firm-level...
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Keywords:
Employment Risk;
Consumption;
Employment;
Risk and Uncertainty;
System Shocks;
Insurance;
Household;
Spending
- March 2022 (Revised August 2022)
- 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,...
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- 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...
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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...
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- 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...
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- 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...
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- 2022
- Working Paper
The Passive-Ownership Share Is Double What You Think It Is
By: Alex Chinco and Marco Sammon
We estimate that passive investors held 37.8% of the US stock market in 2020.
This value comes from studying the closing volumes of index additions and
deletions on reconstitution day. 37.8% is more than double the widely accepted
previous estimate of 15%, which...
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- 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...
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- 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...
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