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May 2020 (Revised November 2021)
Supplement

Valuing Peloton

By: E. Scott Mayfield

Peloton Interactive, a well-known unicorn in the connected fitness space, had gone public with a market capitalization of over $8.0 billion. In the weeks following its public debut, Peloton’s stock price fell by over 25%. Taylor Knox, a stock analyst and enthusiastic... View Details

Keywords: Business Model; Disruptive Innovation; Risk and Uncertainty; Stocks; Price; Valuation; Entertainment and Recreation Industry

April 2025
Article

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 7.4% in the 1990s to 0.3% over the past decade. This has occurred despite a significant increase in the share of stock market assets linked to the index. A similar... View Details

Keywords: Stocks; Investment Return; Value

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December 1994
Case

Alpha-Beta Technology, Inc. (B): Trials with Betafectin

This case follows the development of a firm's first product, the public presentation of research results, and the stock market reactions. In spite of successful research, the stock price falls dramatically. Asks why this happened, how concerned the CEO should be,... View Details

Keywords: Product Development; Biotechnology Industry

February 2019 (Revised September 2021)
Case

The a2 Milk Company

By: Benjamin C. Esty and Daniel Fisher

The a2 Milk Company (a2MC) became the most valuable company listed on the New Zealand stock exchange in 2018 by capitalizing on a biochemical discovery related to the protein composition of cow's milk. Because many people find the A1 protein difficult to digest, and... View Details

December 2007 (Revised December 2008)
Case

China Netcom: Corporate Governance in China (A)

By: Regina M. Abrami, William C. Kirby, F. Warren McFarlan, Ning Xiangdong and Tracy Manty

With its dual listings on the Hong Kong stock market and New York Stock Exchange, state-owned enterprise, China Netcom was mandated to meet the listing requirements of these exchanges. From this initial step, China Netcom's Chairman, Zhang Chunjiang, began a program... View Details

Keywords: Corporate Governance; State Ownership; Public Ownership; Financial Markets; Capital Markets; Telecommunications Industry; China

09 Jun 2010
Working Paper Summaries

Agency Costs, Mispricing, and Ownership Structure

Keywords: by Sergey Chernenko, C. Fritz Foley & Robin Greenwood

11 Apr 2023
Research & Ideas

Is Amazon a Retailer, a Tech Firm, or a Media Company? How AI Can Help Investors Decide

distressed market conditions. Let’s take COVID 2020. You had certain stocks in certain sectors behaving in a certain way and they were not aligned. You look at Amazon’s stock... View Details

Keywords: by Danielle Kost; Consumer Products; Real Estate; Financial Services; Retail

15 Feb 2013
Working Paper Summaries

Expectations of Returns and Expected Returns

Keywords: by Robin Greenwood & Andrei Shleifer; Financial Services

October 2001 (Revised June 2004)
Case

Harrah's Entertainment Inc.

By: Rajiv Lal and Patricia Carrolo

Describes a situation facing Philip Satre, chairman and CEO of Harrah's Entertainment, Inc. Satre was reading a May 2000 Wall Street Journal story that discussed the company's marketing success in targeting low rollers, the 100% growth in stock price and profits in the... View Details

Keywords: Budgets and Budgeting; Marketing; Marketing Reference Programs; Performance Evaluation; Motivation and Incentives; Competitive Strategy

January 2023
Case

EKI Energy Services: One Billion Carbon Credits

By: George Serafeim

Within nine months from the time of its Initial Public Offering (IPO) in April of 2021, EKI Energy Services (EKI) shares had increased by more than 8,000%. Equally explosive was the growth of the company’s revenues and Earnings Before Interest, Taxes and Depreciation... View Details

Keywords: Carbon Credits; Carbon Emissions; Growth; Business Analysis; Environmental Sustainability; Corporate Valuation; Climate Change; Accounting; Valuation; Transition; Renewable Energy; Analysis; Product Positioning; India

September 2023 (Revised January 2024)
Case

Icahn Enterprises: Ponzi Scheme or Sound Investment

By: Aiyesha Dey, Jonas Heese and James Weber

Icahn Enterprises, a publicly traded limited partnership founded and operated by famed activist investor Carl Icahn, had earned above market returns for over a decade. Between 2018 and early 2023, it had a compound annual return of 31%. Icahn invested in undervalued... View Details

Keywords: Stock Shares; Investment Return; Business Model; Valuation; Financial Services Industry

August 1996
Article

When Do Joint Ventures Create Value?

By: Ashish Nanda and P. Mohanram

Firms enter into joint ventures when their performance is deteriorating. Parent firms earn significant positive returns around announcements. However, at joint venture level, market value weighted return is insignificant. The stock market reacts negatively to ventures... View Details

Keywords: Joint Ventures; Financial Markets; Value

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January 2008 (Revised May 2008)
Supplement

China Netcom: Corporate Governance in China (B)

By: Regina M. Abrami, William C. Kirby, F. Warren McFarlan and Tracy Yuen Manty

Supplements the A case [308027]. With its dual listings on the Hong Kong stock market and New York stock Exchange, state-owned enterprise, China Netcom was mandated to meet the listing requirements of these exchanges. From this initial step, China Netcom's Chairman,... View Details

Keywords: Management Teams; Corporate Governance; State Ownership; Standards; Globalized Markets and Industries; Telecommunications Industry; China

November – December 2007
Article

Fundamentally Flawed Indexing

By: Andre F. Perold

A new theory of finance is being advanced as providing definitive proof that holding stocks in proportion to their market capitalizations is an inferior investment strategy. The claim is that capitalization weighting necessarily invests more in overvalued stocks and... View Details

Keywords: Investment; Capital Markets; Financial Strategy; Stocks; Financial Management; Valuation

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29 Aug 2013
Working Paper Summaries

X-CAPM: An Extrapolative Capital Asset Pricing Model

Keywords: by Nicholas Barberis, Robin Greenwood, Lawrence Jin & Andrei Shleifer

June 2012
Article

The Economic Value of Celebrity Endorsements

By: Anita Elberse and Jeroen Verleun

What is the payoff to enlisting celebrity endorsers? Although effects on stock returns are relatively well documented, little is known about any impact on sales—arguably a metric of more direct importance to advertising practitioners. In this study of athlete... View Details

Keywords: Stocks; Value; Advertising; Sales; Brands and Branding; Decisions; Economics; Marketing Strategy; Investment Return

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January 2020
Case

Wuxi Lead Intelligent Equipment Co., Ltd.

By: John R. Wells and Benjamin Weinstock

In 2019, Wuxi Lead Intelligent Equipment Co., Ltd. (Lead) was the largest supplier of lithium-ion rechargeable battery manufacturing equipment in the world. Based in Wuxi, China, the company generated RMB 3.9 billion ($557 million) in revenues in 2018, up from RMB 175... View Details

Keywords: Lithium-ion Batteries; Electric Vehicles; Government Subsidies; Industry Dynamics; Markets; Change; Strategy; Decision Making; Manufacturing Industry; China

January 1999 (Revised November 1999)
Case

Metapath Software: September 1997

By: G. Felda Hardymon and Bill Wasik

In September 1997, John Hansen called together his board to debate an interesting choice that his company had to make. Hansen--the CEO of Metapath Software, a provider of software and services to wireless carriers--had two offers to describe. The first was an offer to... View Details

Keywords: Private Ownership; Mergers and Acquisitions; Private Equity; Decision Choices and Conditions; Governing and Advisory Boards; Management Teams; Stocks; Public Ownership; Negotiation Deal; Telecommunications Industry; Information Technology Industry

December 2003 (Revised September 2004)
Case

Managing Segway's Early Development

By: Richard G. Hamermesh and David Kiron

Describes the early development of the Segway Human Transporter and focuses on the organizational issues that arise between the parent company and the new company that is being spun out to produce and market the Segway. Key issues are the distribution of bonuses and... View Details

Keywords: Business Subsidiaries; Business Startups; Employee Stock Ownership Plan; Resource Allocation; Organizational Design; Technology Adoption

November 2009 (Revised May 2017)
Case

Miracle Life, Inc.

By: Lauren Cohen and Christopher Malloy

Miracle Life is a firm with a unique setup and organizational structure. Specifically, it is a network marketing firm, also known as multi-level marketing (MLM) firm, which utilizes a large distributor base and depends on this individual distributor base to sell its... View Details

Keywords: Finance; Cash Flow; Stocks; Growth and Development Strategy; Product Marketing; Distribution; Organizational Structure

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