Stock Price Informativeness - Publications - Faculty & Research - Harvard Business School

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June 1995
Case

Banc One Corporation (A)

As Banc One's use of derivatives had proliferated, investors and analysts had expressed increasing concern about the size of derivative portfolios, the potential sensitivity of their value to interest rate swings, and the lack of standardized reporting on their use.... View Details

Keywords: Credit Derivatives and Swaps; Investment Banking; Financial Reporting; Annual Reports; Banking Industry

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January 2002 (Revised October 2007)
Case

Grantham, Mayo, Van Otterloo & Co., 2001

By: Joshua Musher and Andre F. Perold

Asset manager GMO underperforms the market during the 1996-2000 stock market bubble because of the focus on absolute risk. After suffering significant client withdrawals, performance again shines when the bubble collapses. Did they win the battle only to lose the war?... View Details

Keywords: Customers; Asset Management; Stocks; Investment; Price Bubble; Mathematical Methods; Risk and Uncertainty

July 2024
Case

Jacqueline Cook at Vendasta: Debating an IPO

By: Reza Satchu, Tom Quinn and Andrew Kosc

In May 2021, after a surge in demand for digital services that prompted high valuations for startups across the Canadian tech sector, Saskatchewan-based Vendasta entered the final stages of the initial public offering (IPO) process. COO Jacqueline Cook had invested her... View Details

November–December 2018
Article

Online Network Revenue Management Using Thompson Sampling

By: Kris J. Ferreira, David Simchi-Levi and He Wang

We consider a network revenue management problem where an online retailer aims to maximize revenue from multiple products with limited inventory constraints. As common in practice, the retailer does not know the consumer's purchase probability at each price and must... View Details

Keywords: Online Marketing; Revenue Management; Revenue; Management; Marketing; Internet and the Web; Price; Mathematical Methods

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May 2018 (Revised June 2018)
Case

Cowen Inc.: Leveraging Data

By: Boris Groysberg, Sarah Abbott and Annelena Lobb

Cowen Inc.’s broker-dealer, Cowen and Company, LLC, boasted a number of analysts who had made prescient stock calls on the basis of creative data analysis. Now Cowen Inc. had opened a new subsidiary, Kyber, which would attempt to monetize new data science products.... View Details

Keywords: Data Science; Equity Research; Research Analysts; Investment; Analytics and Data Science; Equity; Research; Analysis; Competitive Strategy

December 1998 (Revised June 1999)
Case

STT Aerospace

By: Richard G. Hamermesh and Jeremy Dann

Experienced entrepreneur Charles Damon conducted a "roll-up" from 1987-1994 within the commercial airliner interior products industry. Damon's company, STT Aerospace, took advantage of an industry-wide recession in the early 1990s by buying when asset prices were low.... View Details

Keywords: Retention; Business Strategy; Selection and Staffing; Entrepreneurship; Financial Crisis; Growth and Development Strategy; Compensation and Benefits; Employee Stock Ownership Plan; Acquisition; Product Development; Aerospace Industry

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23 Feb 2016
First Look

February 23, 2016

months, on average, after AIPA's enactment. These findings suggest a hitherto unexplored benefit of the patent system: by requiring inventions to be published through a credible, standardized, and centralized repository, it mitigates View Details

Keywords: Sean Silverthorne

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

Keywords: Value; Stocks; Financial Markets; Social Media; Investment; Applications and Software; Financial Services Industry; United States

14 Oct 2020
Blog Post

Veteran Financial Aid Outlook

charged. Now the good news: After going through the full-time MBA program at HBS (even with the Coronavirus disruption and finishing my last quarter on-line), I don’t think I could put a price on the education and experiences I received.... View Details

April 2005 (Revised January 2006)
Background Note

Note on Basic Option Properties

Options are contracts that give the right, but not the obligation, to either buy or sell a specific underlying security for a specified price on or before a specific date. Explains the basis of options, covering fundamentals such as option terminology, the payoff... View Details

Keywords: Stock Options

Article

Time-driven Activity-based Costing of Multivessel Coronary Artery Bypass Grafting across National Boundaries to Identify Improvement Opportunities: Study Protocol

By: F. Erhun, B. Mistry, T. Platcheck, A. Milstein, V.G. Narayanan and R. S. Kaplan

Coronary artery bypass graft (CABG) surgery is a common treatment for coronary artery disease—a disease that affects over 10% of US adults and is a major cause of morbidity and mortality. In 2005, the mean cost for a CABG procedure among Medicare beneficiaries in the... View Details

Keywords: Activity Based Costing and Management; Health Disorders; Health Care and Treatment; United States; India

July 2002 (Revised October 2002)
Case

Bradley Marquez: Reduction in Force (A)

By: Thomas J. DeLong and Vineeta Vijayaraghavan

The Bradley Marquez advertising agency had created a successful niche delivering ethnic markets to their clients, corporate giants like Compaq, Sprint, Texaco, and British Airways. The company was operating in aggressive growth mode when, in 2000, the stock market... View Details

Keywords: Economic Slowdown and Stagnation; Financial Crisis; Price Bubble; Human Resources; Employees; Job Cuts and Outsourcing; Advertising Industry

January 2002 (Revised January 2003)
Case

Finova Group, Inc. (A), The

By: Stuart C. Gilson and Perry Fagan

Finova Group, a $14 billion commercial finance company, filed for Chapter 11 in early March 2001, in what was one of the largest U.S. bankruptcy filings of all time and the largest corporate bond default since the Great Depression. While in Chapter 11, Finova became... View Details

Keywords: Acquisition; Business Startups; Borrowing and Debt; Equity; Insolvency and Bankruptcy; Debt Securities; Price; Crisis Management; Bids and Bidding; Partners and Partnerships; Strategy; Valuation; Financial Services Industry; United States

07 Feb 2012
First Look

First Look: February 7

researcher-collected data, the Internet opens exceptional possibilities both by increasing the amount of information available for researchers to gather and by lowering researchers' costs of collecting information. In this paper, I... View Details

Keywords: Sean Silverthorne

December 2011
Article

Platform Envelopment

By: Thomas R. Eisenmann, Geoffrey Parker and Marshall Van Alstyne

Due to network effects and switching costs in platform markets, entrants generally must offer revolutionary functionality. We explore a second entry path that does not rely upon Schumpeterian innovation: platform envelopment. Through envelopment, a provider in one... View Details

Keywords: Digital Platforms; Business and Stakeholder Relations; Economic Systems; Development Economics; Business or Company Management; Business Strategy; Network Effects; Information Technology Industry; Information Technology Industry

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October 2018 (Revised July 2023)
Case

Innovation at Uber: The Launch of Express POOL

By: Chiara Farronato, Alan MacCormack and Sarah Mehta

Set in March 2018, the case follows ride-sharing company Uber as it develops and launches a new product called Express POOL. This product offers a reduced price to riders willing to carpool, walk a short distance to/from their pick-up and drop-off points, and wait a... View Details

Keywords: Innovation and Management; Innovation Leadership; Innovation Strategy; Technological Innovation; Information Technology; Mobile and Wireless Technology; Applications and Software; Digital Platforms; Decision Making; Technology Industry; California; San Francisco

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

Keywords: Autonomous Vehicles; Market Entry and Exit; Opportunities; Governing Rules, Regulations, and Reforms; Consumer Behavior; Business Model; Auto Industry; Transportation Industry; France; United States

Web

Publications - Faculty & Research

Kazakhstan." Harvard Business School Case 426-012, July 2025. July 2025 Article Digital Lending and Financial Well-Being: Through the Lens of Mobile Phone Data By: AJ Chen, Omri Even-Tov, Jung Koo Kang and Regina Wittenberg-Moerman To mitigate View Details

09 Mar 2016
HBS Seminar

Katja Seim of The Wharton School, University of Pennsylvania

September 1999 (Revised March 2001)
Case

Charles Schwab Corporation (A)

By: F. Warren McFarlan and Nicole Tempest

A look at the industrial restructuring in the brokerage industry made possible by e-commerce. Focuses the student's attention on the decision alternatives facing Charles Schwab, one of the industry leaders in January 1998. In a word, the challenge is "Do they slash... View Details

Keywords: Restructuring; Internet and the Web; Price; Decision Choices and Conditions; Business Strategy; Competitive Strategy; Financial Services Industry

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