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September 2020 (Revised July 2022)
Technical Note

Algorithmic Bias in Marketing

By: Ayelet Israeli and Eva Ascarza

This note focuses on algorithmic bias in marketing. First, it presents a variety of marketing examples in which algorithmic bias may occur. The examples are organized around the 4 P’s of marketing – promotion, price, place and product—characterizing the marketing... View Details

September 2020 (Revised June 2023)
Exercise

Artea: Designing Targeting Strategies

By: Eva Ascarza and Ayelet Israeli

This collection of exercises aims to teach students about 1)Targeting Policies; and 2)Algorithmic bias in marketing—implications, causes, and possible solutions. Part (A) focuses on A/B testing analysis and targeting. Parts (B),(C),(D) Introduce algorithmic bias. The... View Details

September 2020
Teaching Note

TransDigm in 2017: The Beginning of the End or the End of the Beginning?

By: Benjamin C. Esty and Daniel Fisher

Teaching Note for HBS Case No. 720-422. TransDigm was a highly acquisitive company that manufactured a wide range of highly engineered aerospace parts for both military and commercial customers. Over the ten years ending in 2016, its stock price had increase ten times,... View Details

2020
Working Paper

Design Rules, Volume 2: How Technology Shapes Organizations: Chapter 6 The Value Structure of Technologies, Part 1: Mapping Functional Relationships

By: Carliss Y. Baldwin

Organizations are formed in a free economy because an individual or group perceives value in carrying out a technical recipe that is beyond the capacity of a single person. Technology specifies what must be done, what resources must be assembled, what actions taken in... View Details

Keywords: Modularity; Information Technology; Organizations; Value Creation

September 2020
Case

Uber at a Crossroads (2017)

By: Ramon Casadesus-Masanell and Karen Elterman

This case describes the history of Uber, its business model—including the ways it differed from that of the traditional taxi industry—and its competition with Lyft. The case is set in 2017, a year in which Uber was plagued by even more scandals than usual, though its... View Details

2021
Working Paper

Time and the Value of Data

By: Ehsan Valavi, Joel Hestness, Newsha Ardalani and Marco Iansiti

Managers often believe that collecting more data will continually improve the accuracy of their machine learning models. However, we argue in this paper that when data lose relevance over time, it may be optimal to collect a limited amount of recent data instead of... View Details

Keywords: Economics Of AI; Machine Learning; Non-stationarity; Perishability; Value Depreciation; Analytics and Data Science; Value

August 2020 (Revised May 2021)
Case

PayPal: The Next Chapter

By: Michael Porter, Mark Kramer and Annelena Lobb

Can a social purpose and stakeholder capitalism confer a powerful competitive advantage in the age of COVID-19? For PayPal, the answer is yes. After spinning off from eBay in a 2015 IPO, the company declared its purpose as "democratizing financial services" by ensuring... View Details

Keywords: Mission and Purpose; Finance; Business and Stakeholder Relations; Social Entrepreneurship; Competitive Advantage; Financial Services Industry

August 2020 (Revised February 2021)
Case

Luckin Coffee (A): Caffeine-fueled Growth?

By: Ramon Casadesus-Masanell and Karen Elterman

This case describes the founding of Chinese coffee chain Luckin Coffee in 2017 and its path to surpassing Starbucks as the largest coffee chain in China (by number of stores) in 2019. Unlike Starbucks stores, which were designed to be welcoming “third places” for... View Details

August 2020
Supplement

Luckin Coffee (B): Revelations of Fraud

By: Ramon Casadesus-Masanell and Karen Elterman

This case describes revelations of fraud at Luckin Coffee, beginning with an anonymous report in January 2020 and continuing with the company’s admission in April 2020 that it had inflated its revenues by 2.2 billion RMB ($310 million), almost half its reported... View Details

Keywords: Fraud; Corporate Misconduct; Business Earnings; Financial Statements; Financial Condition; Stocks; Financial Management; Profit; Revenue; Price; Food; Lawfulness; Crime and Corruption; Food and Beverage Industry; Technology Industry; Asia; China

August 2020
Article

Financial Market Risk Perceptions and the Macroeconomy

By: Carolin E. Pflueger, Emil Siriwardane and Adi Sunderam

We propose a novel measure of risk perceptions: the price of volatile stocks (PVS), defined as the book-to-market ratio of low-volatility stocks minus the book-to-market ratio of high-volatility stocks. PVS is high when perceived risk directly measured from surveys and... View Details

Keywords: Risk-centric Business Cycles; Cross-section Of Equities; Real Risk-free Rate; Real Investment; Financial Markets; Risk and Uncertainty; Perception; Investment

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July 2020 (Revised November 2020)
Case

Pricing at Netflix

By: Elie Ofek, Marco Bertini, Oded Koenigsberg and Amy Klopfenstein

Since its launch in 1998 as “the Amazon.com of DVDs,” Netflix had evolved from a DVD rental company to a video streaming platform and producer of original films and television shows. As the company matured, it regularly increased prices and adjusted its product... View Details

June 2020 (Revised October 2020)
Case

Muddy Waters vs. eHealth: The Debate of a 'Lifetime'

By: Jonas Heese and Cristo Liautaud

In May 2020, an analyst was assessing eHealth’s performance. eHealth was an online / tele-sales broker of health insurance products. The stock had recently hit all-time highs, closing at a peak of $146 on March 4, 2020. But now, May 4, 2020, eHealth traded at $103. The... View Details

Keywords: Revenue Recognition; Health; Insurance; Online Technology; Insurance Industry

June 2020
Article

Lazy Prices

By: Lauren Cohen, Christopher J. Malloy and Quoc Nguyen

We explore the implications of a subtle "default" choice that firms make in their regular reporting practices, namely that firms typically repeat what they most recently reported. Using the complete history of regular quarterly and annual filings by U.S. corporations... View Details

Keywords: Default Behavior; Inertia; Firms; Disclosure; Information; Business or Company Management; Behavior; Annual Reports; Corporate Disclosure; Financial Reporting; United States

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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

May 2020 (Revised October 2021)
Case

Valuing Peloton

By: E. Scott Mayfield

Peloton Interactive, a well-known venture-capital-backed unicorn in the connected fitness space, recently had gone public with a market capitalization of over $8.0 billion. However, in the weeks following its public debut, Peloton’s stock price had fallen by over 25%.... View Details

Keywords: Business Model; Public Equity; Initial Public Offering; Disruptive Innovation; Business Strategy; Valuation; Entertainment and Recreation Industry; United States

May 2020
Teaching Note

Kraft Heinz: The $8 Billion Brand Write-Down

Teaching Note for HBS Case No. 519-076. On Friday, February 22, 2019, following an unexpected and disappointing earnings report, The Kraft Heinz Company’s stock price fell 27%, wiping out $16 billion in market value. CEO Bernardo Hees had announced that the company had... View Details

Keywords: Marketing; Marketing Strategy; Brands and Branding; Consumer Products Industry; Food and Beverage Industry; United States

May–June 2020
Article

Interfirm Ties Between Ventures and Limited Partners of Venture Capital Funds: Performance Effects in Financial Markets

By: Umit Ozmel, M. Deniz Yavuz, Timothy E. Trombley and Ranjay Gulati

We argue that strong indirect ties are conducive to the transfer of private information, which provides an advantage in identifying profitable investment opportunities. In our context, a strong indirect tie is generated between an investor and a focal firm if the... View Details

Keywords: Interfirm Ties; Social Networks; Venture Capital; Entrepreneurship; Performance

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2020
Article

Public Sentiment and the Price of Corporate Sustainability

By: George Serafeim

Combining corporate sustainability performance scores based on environmental, social, and governance (ESG) data with big data measuring public sentiment about a company’s sustainability performance, I find that the valuation premium paid for companies with strong... View Details

Keywords: Sustainability; ESG; ESG (Environmental, Social, Governance) Performance; Investment Management; Investment Strategy; Big Data; Machine Learning; Environment; Environmental Sustainability; Corporate Governance; Performance; Asset Pricing; Investment; Management; Strategy; Human Capital; Public Opinion; Value; Analytics and Data Science

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April 2020 (Revised April 2023)
Supplement

TransDigm in 2017: The Beginning of the End or the End of the Beginning?

By: Benjamin C. Esty and Daniel Fisher

TransDigm was a highly acquisitive company that manufactured a wide range of highly engineered aerospace parts for both military and commercial customers. Over the ten years ending in 2016, its stock price had increase ten times, and both EBITDA and revenues had grown... View Details

Keywords: Acquisition; Ethics; Private Equity; Financial Strategy; Growth Management; Performance Evaluation; Business Strategy; Competitive Strategy; Horizontal Integration; Value Creation; Competitive Advantage; Aerospace Industry; Air Transportation Industry; United States

April 2020 (Revised April 2023)
Case

TransDigm in 2017: The Beginning of the End or the End of the Beginning?

By: Benjamin C. Esty and Daniel Fisher

TransDigm was a highly acquisitive company that manufactured a wide range of highly engineered aerospace parts for both military and commercial customers. Over the ten years ending in 2016, its stock price had increased ten times, and both EBITDA and revenues had grown... View Details

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