Publications

Summer 2020
Article

Accelerating Innovation Through a Network of Ecosystems: What Companies Can Learn from One of the World's Largest Networks of Accelerator Labs

By: Elizabeth J. Altman and Frank Nagle

A United Nations agency with a sweeping mission and sprawling global presence may not appear to be the most likely place where companies can learn new techniques for accelerating innovation — but appearances can be deceiving. The United Nations Development Programme... View Details

Keywords: Accelerator Labs; Business Ecosystems; Networks; Innovation and Invention

July 2000 (Revised July 2001)
Case

Sycamore Networks

By: Joseph B. Lassiter III and Daniel J. Green

Founders Desh Deshpande and Dan Smith reflect on Sycamore's sales strategies and consider how going public might affect the morale of its key employees. In the optical networking sector, technological change and exploding demand has created a market for talent in which... View Details

Keywords: Applied Optics; Entrepreneurship; Sales; Business Strategy; Initial Public Offering; Retention; Employees; Communication Technology; Technological Innovation; Communications Industry; Telecommunications Industry

May 2006 (Revised July 2007)
Case

Tropos Networks

By: Joseph B. Lassiter III and Elizabeth Kind

As Ron Sege, president and CEO of Tropos Networks, walked through the halls of the firm's offices, he realized that the space they had moved into only about a year ago was already becoming too small. The company, based in Sunnyvale, California, was founded in late 2000... View Details

Keywords: Business Startups; Entrepreneurship; Growth Management; Wireless Technology; Sunnyvale

August 2022
Background Note

Retail Media Networks

By: Eva Ascarza, Ayelet Israeli and Celine Chammas

In 2022, retail media was one of the fastest growing segments in digital advertising. A retail media network (RMN) allows a retailer to use its assets for advertising. Retailers set up an advertising business by allowing marketers to buy advertising space across their... View Details

2023
Working Paper

Mapping Organizational-Level Networks Using Individual-Level Connections: Evidence from Online Professional Networks

By: Shelley Xin Li, Frank Nagle and Aner Zhou

Organization-level networks facilitate the flow of information and business activities in the economy. Prior research relies solely on high-level connections to measure these networks. Therefore, to understand the role of employee connections at all job levels in... View Details

Keywords: Networks; Value; Social and Collaborative Networks; Innovation and Invention; Knowledge Sharing; Employees; Social Media

SSRN

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November 2019
Article

The Relevance of Broker Networks for Information Diffusion in the Stock Market

By: Marco Di Maggio, Francesco Franzoni, Amir Kermani and Carlo Sommavilla

This paper shows that the network of relationships between brokers and institutional investors shapes information diffusion in the stock market. We exploit trade-level data to show that central brokers gather information by executing informed trades, which is then... View Details

Keywords: Broker Networks; Institutional Investors; Asset Prices; Business and Shareholder Relations; Institutional Investing; Information; Knowledge Dissemination; Financial Markets; Asset Pricing

27 Jul 2009
Research & Ideas

Social Network Marketing: What Works?

When marketers want to reach users of social networks such as Facebook, MySpace, or Cyworld, they have two choices: buy advertising or start a viral campaign. New research by Harvard Business School... View Details

Keywords: by Sarah Jane Gilbert; Advertising; Publishing; Retail

31 Mar 2016
News

Network Effects Aren’t Enough

07 Oct 2014
News

Network Effect

who could double as a penny-wise administrator and a fundraiser. A mutual friend at Greylock recommended Timothy Armour (MBA 1975) to McCance as a potential consultant. Armour, who had some 20 years’ experience in development and operations at nonprofits, including... View Details

Keywords: Linda Kush

13 Jul 2023
News

The Network Effect

Karan Mathur (left) and Dina Model (Illustration by Gisela Goppel) Karan Mathur (left) and Dina Model (Illustration by Gisela Goppel) When Dina Model and Karan Mathur (both MBA 2015) met through mutual friends during their first year at HBS, neither was envisioning a... View Details

14 Sep 2009
Research & Ideas

Understanding Users of Social Networks

If the ongoing social networking revolution has you scratching your head and asking, "Why do people spend time on this?" and "How can my company benefit from the social network... View Details

Keywords: by Sean Silverthorne; Advertising; Publishing

2016
Working Paper

Do Network Dynamics Undermine Idea-based Network Advantages? Experimental Results from an Entrepreneurship Bootcamp

By: Rembrand Koning

Do networks plentiful in ideas provide early stage startups with performance advantages? On the one hand, network positions that provide access to a multitude of ideas are thought to increase team performance. On the other hand, research on network formation argues... View Details

Keywords: Networks; Performance; Business Startups; Business Strategy

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Article

Strategic Networks and Entrepreneurial Ventures

Much research suggests that social networks shape the emergence and development of nascent ventures. Scholars have argued that founders' and firms' networks influence innovation and the identification of entrepreneurial opportunities, as well as facilitate the... View Details

Keywords: Social and Collaborative Networks; Innovation and Invention; Opportunities; Value; Body of Literature; Research; Outcome or Result; Business Ventures; Entrepreneurship; Relationships; Management Practices and Processes; Power and Influence

If the ongoing social networking revolution has you scratching your head and asking, "Why do people spend time on this?" and "How can my company benefit from the social network revolution?" you've got a lot in common with Harvard Business School professor Mikolaj... View Details

Article

Network Effects Aren't Enough

By: Andrei Hagiu and Simon Rothman

In many ways, online marketplaces are the perfect business model. Since they facilitate transactions between independent suppliers and customers rather than take possession of and responsibility for the products or services in question, they have inherently low cost... View Details

Keywords: Digital Platforms; Competition; Internet and the Web; Network Effects; Market Participation

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Apr 25 2012
Testimonial

The Power of the OPM Network

May 29, 2018
Article

Building Your Own Network When You're Part of a Family Business

By: Josh Baron and Judy Lin Walsh

Keywords: Networks; Family Business; Management Succession

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Web

A Network for Change | Social Enterprise | Harvard Business School

The Social Enterprise Initiative is a focal point for the creativity and energy of our worldwide community. This network includes students and alumni with backgrounds in all sectors who seek to engage in socially-driven pursuits at... View Details

January 2006 (Revised October 2007)
Background Note

Managing Networked Businesses: Course Overview for Students

By: Thomas R. Eisenmann

Provides an overview for students of the MBA elective course Managing Networked Businesses (MNB). MNB focuses on management challenges in businesses that exhibit network effects. The first section of the note explains that such businesses comprise a large and growing... View Details

Keywords: Business Model; Capital Structure; Business or Company Management; Network Effects; Organizational Design; Business and Government Relations; Social and Collaborative Networks; Competitive Strategy