Publications

August 2022 (Revised February 2023)
Case

Braintrust: The Blockchain-Powered Talent Network

By: Christopher Stanton, Joseph B. Fuller and George Gonzalez

A San Francisco startup seeks to disrupt the freelancing industry through its user-owned talent network powered by the cryptocurrency, BTRST. View Details

Keywords: Freelancers; Blockchain; Cryptocurrency; Social and Collaborative Networks; Talent and Talent Management; Consulting Industry; Technology Industry; United States

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

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

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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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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17 Jan 2012
Working Paper Summaries

Expectations, Network Effects and Platform Pricing

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

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

Forthcoming
Article

The Effect of a System for Sharing Best Practices Within Pre-existing Peer Networks

By: Shelley Xin Li and Tatiana Sandino

Peer networks, such as enterprise social networks (ESNs), can facilitate knowledge transfer across employees. However, such systems can also lead to information overload or difficulty in finding useful information. We examine data from a natural field experiment where... View Details

Keywords: Retail; Best Practices; Enterprise Social Media; Management Accounting And Control Systems; Social and Collaborative Networks; Communication Technology; Knowledge Sharing; Sales; Social Media; Retail Industry

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

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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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

April 2012 (Revised March 2014)
Case

Social Strategy at Nike

By: Mikolaj Jan Piskorski and Ryan Johnson

Nike, which first started experimenting with social media and networking in 2004, has been consistently reducing its spending on traditional advertising. Yet, Nike has not pulled back on its overall marketing budget, instead opting to focus on "nontraditional"... View Details

Keywords: Strategy; Advertising Campaigns; Social and Collaborative Networks; Online Advertising; Apparel and Accessories Industry; Sports Industry

23 Dec 2010
News

2010 Emerald Literati Network Outstanding Paper Award

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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February 2008 (Revised June 2011)
Background Note

Social Networks: The Portals of Web 2.0

By: Stephen P. Bradley and Nancy Bartlett

Social networks have evolved into influential, compelling and persuasive systems, the portals of Web 2.0 and one of the most powerful media phenomena in 2008. This note provides a brief background and description of various social network sites including MySpace,... View Details

Keywords: Web; Technology; Networks; Information Technology Industry

June 1993
Article

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

By: H. Ibarra and S. Andrews