Publications

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7:30 PM – 9:30 PM PST, 07 Mar 2017
HBS Alumni Events

HBS Los Angeles Young Alumni Networking Reception

HBS alumni MBA 2002-2016 are invited to an evening of socializing and networking in Los Angeles. View Details

01 Jun 2020
News

The Network Effect

participate in clinical trials. On March 29, Kapoor and his wife devised a solution: WorldWithoutCOVID.org, a nonprofit public health initiative that connects medical researchers with willing volunteers. A longtime student of network... View Details

Keywords: Susan Young; COVID-19; Health, Social Assistance; Health, Social Assistance

Article

Does 'Liking' Lead to Loving? The Impact of Joining a Brand's Social Network on Marketing Outcomes

By: Leslie K. John, Oliver Emrich, Sunil Gupta and Michael I. Norton

Does “liking” a brand on Facebook cause a person to view it more favorably? Or is “liking” simply a symptom of being fond of a brand? We disentangle these possibilities and find evidence for the latter: brand attitudes and purchasing are predicted by consumers’... View Details

Keywords: Brands; Marketing Effectiveness; Brand Evaluation; Peer Influence; Brands and Branding; Social and Collaborative Networks; Social Media

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2012
Working Paper

With Us or Against Us? Networks, Identity and Order in a Virtual World

By: Magnus Thor Torfason

Social networks and social groups have both been seen as important to discouraging malfeasance and supporting the global pro-social norms that underlie social order, but have typically been treated either as pure substitutes or as having completely independent effects.... View Details

Keywords: Social Norms; Social Networks; Triadic Closure; Social Groups; Group Identity; Groups and Teams; Boundaries; Organizations; Identity; Social and Collaborative Networks; Societal Protocols

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August 2012 (Revised October 2015)
Case

LinkedIn Corporation, 2012

By: David Yoffie and Liz Kind

Since its inception in 2003, LinkedIn had become a leading Silicon Valley institution with a brand name that was recognizable throughout the U.S. and in many countries overseas. As of March 2012, LinkedIn was the world's largest professional network on the Internet... View Details

Keywords: Social Networking; Media; Technology; Strategy; Growth Management; Internet and the Web; Corporate Strategy; Social and Collaborative Networks; Brands and Branding; Social Media; Service Industry; Media and Broadcasting Industry; California

2008
Working Paper

I Am Not on the Market, I Am Here with Friends: Using On-Line Social Networks to Find a Job or a Spouse

By: Mikolaj Jan Piskorski

Sociologists have extensively documented that networks influence market exchange through improved matching and vouching. In this paper, I propose that networks can also blunt the signal of market participation, as actors who are on the market surrounded by their... View Details

Keywords: Job Search; Knowledge Use and Leverage; Market Participation; Market Transactions; Social and Collaborative Networks; Online Technology

Research Summary

Dynamics of Network Formation

By: Ranjay Gulati

An ongoing research project with my doctoral students extends my previous line of inquiry by examining some of the evolutionary dynamics of small-world networks. Diverging from recent research that has analyzed static small worlds, we have adopted a dynamic view of the... View Details

Web

Career Networking - Alumni

Careers Career Networking Careers Career Networking Connect with Alumni Build and maintain relationships that will propel your career forward One of the most valuable resources of HBS is the alumni... View Details

January 2021 (Revised March 2022)
Case

Arçelik: From a Dealer Network to an Omnichannel Experience

By: Ayelet Israeli and Fares Khrais

Arçelik Turkey, the country’s market leader in household appliances, was at an omnichannel crossroads in January 2020. Arçelik was a B2B player utilizing a dealership network with an umbrella of brands and had one of the largest brick-and-mortar store networks in... View Details

17 Jan 2012
Working Paper Summaries

Expectations, Network Effects and Platform Pricing

Keywords: by Andrei Hagiu & Hanna Hałaburda; Entertainment & Recreation

2021
Working Paper

The Old Boys' Club: Schmoozing and the Gender Gap

By: Zoë B. Cullen and Ricardo Perez-Truglia

Offices are social places. Employees and managers take breaks together and talk about family and hobbies. In this study, we show that employees’ social interactions with their managers can be advantageous for their careers, and that this phenomenon contributes to the... View Details

Keywords: Career; Promotions; Social Interactions; Networking; Gender; Personal Development and Career; Wages; Social and Collaborative Networks

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June 1993
Article

Power, Social Influence, and Sense Making: Effects of Network Centrality and Proximity on Employee Perceptions

By: H. Ibarra and S. Andrews

September 16, 2022
Article

A Causal Test of the Strength of Weak Ties

By: Karthik Rajkumar, Guillaume Saint-Jacques, Iavor I. Bojinov, Erik Brynjolfsson and Sinan Aral

The authors analyzed data from multiple large-scale randomized experiments on LinkedIn’s People You May Know algorithm, which recommends new connections to LinkedIn members, to test the extent to which weak ties increased job mobility in the world’s largest... View Details

Keywords: Job Mobility; Social Networks; Social Ties; Networks; Personal Development and Career

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March 2010 (Revised October 2011)
Background Note

Social Media

By: Sunil Gupta, Kristen Amalie Bozzone Armstrong and Zachary Scott Clayton

This note describes the rapidly changing environment of social media and how managers can leverage it. View Details

Keywords: Framework; Knowledge Use and Leverage; Situation or Environment; Social and Collaborative Networks

04 Dec 2006
Research & Ideas

The Money Connection—Understanding VC Networks

essential to the functioning of VC and the technology-based industries in which VCs often invest. And in addition to person-to-person social networks, firm-to-firm networks are vital in both contexts.... View Details

Keywords: by Julia Hanna; Financial Services

Research Summary

On the Origins of Brokerage in Intraorganizational Networks

While we have ample empirical evidence linking brokerage in intraorganizational social networks to both individual and firm-level benefits, we know little about its origins. Prior research describes correlations between rough demographic categories and network... View Details

23 Dec 2010
News

2010 Emerald Literati Network Outstanding Paper Award

25 Feb 2020
News

Turning Point: Network Effects

nonprofit that develops national networks of volunteer mental health professionals who can provide free, confidential care to individuals experiencing an acute or chronic need for help. Our initial focus was veterans and their families,... View Details

Keywords: Bruce Shuttleworth (MBA 1997)

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