Publications

January 2021 (Revised October 2021)
Case

eToro: Building the World's Largest Social Trading Network

By: Elie Ofek and Danielle Golan

Social trading platform eToro was preparing for the launch of its expanded offering in the U.S. The company faced critical decisions regarding product-market fit, go-to-market strategy, positioning and monetization. Moreover, it faced the challenge of how best to make... View Details

Keywords: Social Trading Platform; Investment; Social and Collaborative Networks; Marketing Strategy; Expansion; Digital Platforms

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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June 2023
Case

Tractor Supply Co

By: David L. Ager and Michael A. Roberto

In February 2023, Hal Lawton, CEO of Tractor Supply Co, the largest farm and ranch retailer in the United States reflected on the company’s 70% growth between 2019 and 2022. Economists had begun to predict an economic downturn and experts were predicting softening... View Details

Keywords: COVID-19 Pandemic; Demand and Consumers; Economic Slowdown and Stagnation; Organizational Change and Adaptation; Retail Industry

October 2003 (Revised January 2009)
Case

Transforming Matsui Securities

By: Lynda M. Applegate, Masako Egawa, Jamie Ladge and Haruki Umezawa

Michio Matsui, president and CEO of Matsui Securities, transformed a small regional securities company into a leading player in the online broking industry in Japan. Discusses how he transformed the business model and culture of the company and took advantage of the... View Details

Keywords: Transformation; Innovation and Invention; Leading Change; Organizational Change and Adaptation; Business Model; Organizational Culture; Financial Markets; Competitive Advantage; Japan

April 2021
Case

Transforming BlackBerry: From Smartphones to Software

By: Ranjay Gulati and Nicole Tempest Keller

On the verge of failure, BlackBerry brought in John Chen as CEO in 2013 to orchestrate a bold turnaround of the company. Once an iconic leader in the smartphone market, BlackBerry was best known for its tactile QWERTY keyboard, strong security, and a focus on business... View Details

Keywords: Pivot; Managing Change; Turnaround; Smartphone; Change Management; Leading Change; Transformation; Organizational Change and Adaptation; Digital Platforms; Change; Information Infrastructure; Applications and Software; Competitive Strategy; Cybersecurity; Technology Industry; Transportation Industry; Canada

22 Dec 2020
News

Dove: Maintaining a Brand with Purpose

15 Sep 2020
News

Fitbit Atrial Fibrillation Approval Revs Up Competition With Apple Watch

Dennis A. Yao

Dennis Yao is the Lawrence E. Fouraker Professor of Business Administration and Chair of the Doctoral Programs at Harvard Business School. He joined the faculty in 2004 after having been at the Wharton School, University of Pennsylvania. From 1991-1994 he served as... View Details

Keywords: automotive; defense; federal government; high technology

Winter 2019
Article

Economists (and Economics) in Tech Companies

By: Susan Athey and Michael Luca

As technology platforms have created new markets and new ways of acquiring information, economists have come to play an increasingly central role in tech companies—tackling problems such as platform design, strategy, pricing, and policy. Over the past five years,... View Details

Keywords: Technology Companies; Economists; Digital Platforms; Jobs and Positions; Competency and Skills; Technology Industry

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November 1999 (Revised June 2006)
Case

DLJdirect: "Putting Our Reputation Online"

By: Thomas R. Eisenmann and Gillian Morris

Online broker DLJdirect faced two decisions during the fall of 1999: what customer segments should it target and how much should it spend on marketing? Unlike its competitors, who focused either on day traders or more mainstream investors, DLJdirect differentiated its... View Details

Keywords: Marketing Strategy; Marketing Communications; Competitive Strategy; Decision Choices and Conditions; Investment; Cost Management; Business Plan; Research and Development; Customers; Budgets and Budgeting; Online Advertising; Internet; Financial Services Industry

March 2018
Case

Lufax: FinTech and the Transformation of Wealth Management in China

By: Christopher J. Malloy, Lauren H. Cohen and Anthony K. Woo

This case examines the rise and competitive positioning of Lufax, an online marketplace headquartered in Shanghai, China, and a pioneer in the origination and trading of financial assets. The company had grown at a remarkable rate, and was awarded “Trading Platform of... View Details

Keywords: Asset Management; Internet and the Web; Competitive Strategy; Situation or Environment; Product Positioning; Financial Services Industry; China

November 2020
Case

The Rise and Fall of Nokia (Abridged)

By: Juan Alcácer and Tarun Khanna

In 2013, Nokia sold its Device and Services business to Microsoft for €5.4 billion. For decades Nokia had led the telecommunications (telecom) industry in handsets and networking. By the late 2000s, however, Nokia's position as market leader in mobile devices was... View Details

Keywords: Mobile Phones; Smartphones; Mobile and Wireless Technology; Emerging Markets; Technological Innovation; Competitive Strategy; Telecommunications Industry

07 Jun 2023
HBS Case

3 Ways to Gain a Competitive Advantage Now: Lessons from Amazon, Chipotle, and Facebook

perk that allowed Amazon to capture market share and eventually blow past Sony, which after years of struggling, closed its e-reader store in 2014. “Without creating a competitive advantage, it is difficult for companies to produce and... View Details

Keywords: by Michael Blanding

Article

Why Am I Seeing This Ad? The Effect of Ad Transparency on Ad Effectiveness

By: Tami Kim, Kate Barasz and Leslie K. John

Given the increasingly specific ways marketers can target ads, many consumers and regulators are demanding ad transparency: disclosure of how consumers’ personal information was used to generate ads. We investigate how and why ad transparency impacts ad effectiveness.... View Details

Keywords: Digital Marketing; Customization and Personalization; Information; Trust; Performance Effectiveness

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March 1996 (Revised February 1999)
Case

Vistakon: 1 Day Acuvue Disposable Contact Lenses

By: Alvin J. Silk, Bruce Issacson and Marie Bell

Vistakon, an independent and entrepreneurial subsidiary of Johnson & Johnson, pioneered the production and marketing of disposable contact lenses with the 1987 launch of Acuvue, the first disposable extended-wear lens--a soft contact lens that patients wear for a... View Details

Keywords: Advertising Campaigns; Business Subsidiaries; Business Startups; Corporate Entrepreneurship; Price; Risk Management; Marketing; Product Positioning; Production; Performance Effectiveness; Consumer Products Industry; United States