Publications
Publications
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- All HBS Web
(1,354)
- Faculty Publications (103)
- 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
- January 2022
- Article
Why Is Corporate Virtue in the Eye of the Beholder? The Case of ESG Ratings
By: Dane Christensen, George Serafeim and Anywhere Sikochi
Despite the rising use of environmental, social, and governance (ESG) ratings, there is substantial disagreement across rating agencies regarding what rating to give to individual firms. As what drives this disagreement is unclear, we examine whether a firm’s ESG... View Details
- 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
- May 2021 (Revised September 2021)
- Case
CPE and SUS Environmental: You've Got to Know When to Hold 'Em (A)
By: Josh Lerner and Franko Jira
In July 2016, Di Yang and Grace Guo of the leading Chinese private equity group CPE faced a dilemma—a happy dilemma, but a challenge nonetheless. CPE’s investment in the waste-to-energy firm SUS Environment had proved to be exceedingly successful. This success had... View Details
- July 2020
- Case
Mortgage Backed Securities and the Covid-19 Pandemic
By: Emil N. Siriwardane, Luis M. Viceira and Dean Xu
In April 2020, global financial markets were still reeling as the COVID-19 pandemic spread rapidly across the world. Global equity markets had initially fallen by 30% in response to the pandemic, and high-yield credit markets had dropped by nearly 20%. In contrast,... View Details
- December 2019 (Revised June 2024)
- Case
The Dutch East India Company in 1612 (A)
By: Lynn S. Paine and Giuseppe Dari-Mattiacci
The Dutch East India Company’s board of directors must decide what to do about an impending legal requirement to liquidate the company’s assets and return to shareholders their capital and any profits earned during a ten-year lock-up period. The charter granted to the... View Details
- December 2019 (Revised January 2021)
- Supplement
The Leveraged Buyout of TXU: (B) Energy Future Holdings
By: Trevor Fetter, Erik Snowberg and Rebecca M. Henderson
This case is designed to support a lively discussion about the relative merits of shareholder vs. stakeholder perspectives in the context of a company that provides a vital public service that has important environmental implications. The 2007 purchase of TXU, the... View Details
- November 2019 (Revised January 2025)
- Case
Russia: A Drama In Three Acts
By: Rawi Abdelal, Rafael Di Tella, Galit Goldstein, Sogomon Tarontsi and Lavinia Teodorescu
The collapse of central authority in the Soviet Union in 1991 ushered in a period of revolutionary transformations for the states that emerged in its wake. The leaders of Russia, the USSR's successor, struggled to reestablish central authority while also seeking to... View Details
Keywords: Government Policy; Policy Change; Policy Making; Economic Systems; Economics; Globalization; Emerging Markets; Privatization; Non-Renewable Energy; Governance; Global Strategy; Corporate Governance; Policy; Business History; Lawfulness; Problems and Challenges; Business and Government Relations; Risk and Uncertainty; Strategy; Change Management; Developing Countries and Economies; Russia; Moscow
- January 2019
- Article
Bubbles for Fama
By: Robin Greenwood, Andrei Shleifer and Yang You
We evaluate Eugene Fama's claim that stock prices do not exhibit price bubbles. Based on U.S. industry returns 1926–2014 and international sector returns 1985–2014, we present four findings: (1) Fama is correct in that a sharp price increase of an industry portfolio... View Details
Keywords: Bubble; Market Efficiency; Predictability; Price Bubble; Stocks; Price; Forecasting and Prediction
- March 2018 (Revised July 2018)
- Case
Cadre
By: Thomas R. Eisenmann, Scott Duke Kominers and David Lane
Late in 2017, CEO Ryan Williams and his team debated whether Cadre should become not only a technology-enabled investment manager, but also an online trading exchange providing high levels of liquidity for investors in commercial real estate (CRE) equity. Cadre was a... View Details
- February 2018 (Revised June 2018)
- Case
Uruguay: Facing the 21st Century
By: Sophus A. Reinert, Michael Chu and Carin-Isabel Knoop
In the fall of 2017, self-made business leader Edgardo Novick pondered his campaign to be elected President of Uruguay, “the Switzerland of Latin America.” Inspired by populist revolts against the status quo observable worldwide, Novick hoped he could ride popular... View Details
- September 2017 (Revised January 2025)
- Case
Dinesh Moorjani and Hatch Labs
By: Christopher Stanton, Shikhar Ghosh, Allison Ciechanover and Jeff Huizinga
This case is about Tinder. It discusses different business models and ways of structuring the initial team. With a $6 million investment from IAC/Interactive in 2010, Dinesh Moorjani founded Hatch Labs to build mobile apps. His mission was to attract entrepreneurial... View Details
- Article
Narrow Networks on the Health Insurance Marketplaces: Prevalence, Pricing, and the Cost of Network Breadth
By: Leemore S. Dafny, Igal Hendel, Victoria Marone and Christopher Ody
Anecdotal reports and systematic research highlight the prevalence of narrow-network plans on the Affordable Care Act’s health insurance Marketplaces. At the same time, Marketplace premiums in the period 2014–2016 were much lower than projected by the Congressional... View Details
- 2017
- Article
Inflation Bets or Deflation Hedges? The Changing Risks of Nominal Bonds
By: John Y. Campbell, Adi Sunderam and Luis M. Viceira
The covariance between U.S. Treasury bond returns and stock returns has moved considerably over time. While it was slightly positive on average in the period 1953–2009, it was unusually high in the early 1980s and negative in the 2000s, particularly in the downturns of... View Details
- July 2017
- Article
What Do Measures of Real-Time Corporate Sales Tell Us About Earnings Surprises and Post-announcement Returns?
By: Kenneth A. Froot, Namho Kang, Gideon Ozik and Ronnie Sadka
We develop real-time proxies of retail corporate sales from multiple sources, including approximately 50 million mobile devices. These measures contain information from both the earnings quarter (within quarter) and the period between that quarter's end and the... View Details
- 2017
- Working Paper
Lessons Unlearned? Corporate Debt in Emerging Markets
By: Laura Alfaro, Gonzalo Asis, Anusha Chari and Ugo Panizza
This paper documents a set of new stylized facts about leverage and financial fragility for emerging market firms following the Global Financial Crisis (GFC). Corporate debt vulnerability indicators during the Asian Financial Crisis (AFC) attributed to corporate... View Details
- September 2016 (Revised March 2018)
- Case
Qalaa Holdings and the Egyptian Refining Company
By: Victoria Ivashina and Marc Homsy
This case follows Qalaa Holdings, a successful Egypt-based private equity firm, and gives insight into the types of investments it pursued, its growth over time, and the limited partner base it had at hand. It also allows students to consider and debate whether the... View Details
- 2016
- Working Paper
The Stock Market and Bank Risk-Taking
By: David S. Scharfstein and Antonio Falato
We argue that stock market pressure to generate earnings encourages banks to increase risk. We measure risk using confidential supervisory ratings as well as financial information released in regulatory filings. We document that there is an increase in the risk-taking... View Details
- August 2016
- Teaching Note
The Role of Real Estate in Endowment Portfolios: The Case of Christ Church College
By: Arthur I. Segel and Alexander W. Schultz
The case centers on Christ Church’s Treasurer, James Lawrie, who is contemplating his options for investing a portion of the College’s endowment in real estate. Approximately 1/3 of the total $690 million endowment was allocated towards real estate, much higher than... View Details
- June 2016 (Revised February 2017)
- Case
The Role of Real Estate in Endowment Portfolios: The Case of Christ Church, Oxford
By: David Chambers, Elroy Dimson, Arthur I Segel and Eva Steiner
The case centers on Christ Church's Treasurer, James Lawrie, who is contemplating his options for investing a portion of the College's endowment in real estate. Approximately 1/3 of the total $690 million endowment was allocated towards real estate, much higher than... View Details