Publications

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October 19, 2021
Article

The Facebook Trap

By: Andy Wu

Facebook has a clear mission: Connect everyone in the world. Clarity is good, but in Facebook’s case, it has also put the company in a bind because the mission—and the company’s vision for creating value through network effects—has also become the source of its biggest... View Details

Keywords: Business And Society; Mission and Purpose; Network Effects; Value Creation; Corporate Accountability; Strategy

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TeachingInterests

Strategy and Technology (Elective Curriculum)

By: David B. Yoffie

This course explores the unique aspects of creating effective management and investment strategies for technology-intensive businesses. What strategies can win in markets with strong network effects? How can firms leverage technology to build multi-sided platforms?... View Details

2009
Working Paper

Why Do Countries Adopt International Financial Reporting Standards?

By: Karthik Ramanna and Ewa Sletten

In a sample of 102 non-European Union countries, we study variations in the decision to adopt International Financial Reporting Standards (IFRS). There is evidence that more powerful countries are less likely to adopt IFRS, consistent with more powerful countries being... View Details

Keywords: Financial Reporting; International Accounting; Globalized Economies and Regions; Network Effects; Standards; Adoption

SSRN

June 2023
Exercise

Clash of Two Giants Simulation Exercise Instructions

By: Feng Zhu and Marco Iansiti

Many markets are organized around platforms that connect consumers with complimentary applications and services. These platforms are two-sided because both sides - consumers and those providing applications or services - need access to the same platform to interact. A... View Details

Keywords: Platform Strategies; Technology Platform; Customer Acquisition; Network Effects; Digital Platforms; Marketplace Matching; Strategy

18 Mar 2008
First Look

First Look: March 18, 2008

leadership is useful in identifying potentially effective spreaders of WOM among very loyal customers, it is less useful for the sample of less loyal customers. We suggest a measure of one's social network... View Details

Keywords: Martha Lagace

2009
Other Unpublished Work

When Weak Ties and Social Alternatives Benefit Organizational Commitment: Evidence from Wikipedia

This study examines the social mechanisms reinforcing participant commitment to collaborative work. Previous literature largely fails to acknowledge the wider context of individual workplace commitments, or suggests that multiple concurrent work and life commitments... View Details

Keywords: Social and Collaborative Networks

June 2023 (Revised October 2024)
Teaching Note

Clash of Two Giants Simulation Exercise Teaching Note

By: Feng Zhu

Teaching Note for HBS Case No. 623-092. Many markets are organized around platforms that connect consumers with complimentary applications and services. These platforms are two-sided because both sides—consumers and those providing applications or services—need access... View Details

Keywords: Platform Strategy; Customer Acquisition; Technology Platform; Competitive Strategy; Network Effects; Digital Platforms; Management Skills

29 Jan 2019
HBS Seminar

Bryan Bollinger, Fuqua School of Business at Duke University

02 Jan 2008
Research & Ideas

Most Popular Stories 2007

forecasting, consumer spending habits, and effective store layout. HBS Cases: When Good Teams Go Bad Know when teamwork doesn't work—and how to fix it. Professors Jeff Polzer and Scott Snook teach "The Army Crew Team" case and... View Details

Keywords: by Sean Silverthorne

17 Aug 2021
Blog Post

New Associate Director: Courtney Fairbrother

BEI recently named Courtney Fairbrother as the new Associate Director. Courtney manages student and alumni engagement and creates networks and opportunities that encourage these groups to address climate change. She also oversees the... View Details

Article

How to Launch Your Digital Platform: A Playbook for Strategists

By: Benjamin Edelman

The ubiquity of Internet access has caused a sharp rise in the number of businesses offering platforms that connect users for communication or commerce. Entrepreneurs are particularly drawn to these platforms because they create significant value and have modest... View Details

Keywords: Platforms; Launch; Mobilization Strategy; Two-Sided Platforms; Network Effects; Adoption; Entrepreneurship; Information Technology Industry; Advertising Industry; Media and Broadcasting Industry; Transportation Industry; Financial Services Industry

July 2009 (Revised March 2010)
Case

Sotheby's & Christie's Inc.

By: Ramon Casadesus-Masanell and Catherine Jane Wise

The fine art auction business has remained a duopoly over its 250 year history. The industry is dominated by Sotheby's and Christie's Inc. Curiously, neither competitor has been able to overtake the other by a notable margin despite the clear network effects of this... View Details

Keywords: Arts; Business Model; Restructuring; Economics; Auctions; Market Entry and Exit; Duopoly and Oligopoly; Operations; Competition

Educators

07 Aug 2007
First Look

First Look: August 7, 2007

that both effects are operative. Instrumental variables analysis indicates that plausibly exogenous changes in payout policy result in shifting institutional ownership patterns. Similarly, exogenous changes in the tax code indicate that... View Details

Keywords: Martha Lagace

2016
Working Paper

Reviews, Reputation, and Revenue: The Case of Yelp.com

By: Michael Luca

Do online consumer reviews affect restaurant demand? I investigate this question using a novel dataset combining reviews from the website Yelp.com and restaurant data from the Washington State Department of Revenue. Because Yelp prominently displays a restaurant's... View Details

Keywords: Revenue; Network Effects; Reputation; Social and Collaborative Networks; Food and Beverage Industry; Service Industry; Washington (state, US)

SSRN

09 Mar 2016
HBS Seminar

Katja Seim of The Wharton School, University of Pennsylvania

Felix Oberholzer-Gee

Felix Oberholzer-Gee is the Andreas Andresen Professor of Business Administration at Harvard Business School. An award-winning instructor, his academic work and consulting are focused on competitive strategy and the effects of digital technology on corporate... View Details

Keywords: media; professional services; manufacturing; advertising

November 2008 (Revised August 2011)
Case

UnME Jeans: Branding in Web 2.0

By: Thomas J. Steenburgh and Jill Avery

This case introduces emerging Web 2.0 social media in virtual worlds, social networking sites, and video-sharing sites and encourages students to explore the opportunities and risks they present for brands. The case allows students to grapple with the strategic and... View Details

Keywords: Digital Marketing; Brands and Branding; Marketing Communications; Marketing Strategy; Consumer Behavior; Risk and Uncertainty; Social and Collaborative Networks; Internet and the Web; Apparel and Accessories Industry

Educators

2009
Working Paper

Do Friends Influence Purchases in a Social Network?

By: Raghuram Iyengar, Sangman Han and Sunil Gupta

Social networks, such as Facebook and Myspace have witnessed a rapid growth in their membership. Some of these businesses have tried an advertising-based model with very limited success. However, these businesses have not fully explored the power of their members to... View Details

Keywords: Marketing; Network Effects; Sales; Power and Influence; Social and Collaborative Networks; Web Sites; South Korea