Publications

2021
Working Paper

Assessing the Strength of Network Effects in Social Network Platforms

By: Marco Iansiti

Network effects have risen to the forefront of platform competition discussions (e.g. the House Judiciary investigation of competition in digital markets, claiming that Facebook, for example, is entrenched due to strong network effects and high switching costs). While... View Details

Keywords: Social Networks; Platform Competition; Network Effects; Competition; Social Media; Digital Platforms

March 6, 2020
Article

Networking Doesn't Have to Be Self-Serving

By: Rosabeth Moss Kanter

How can individual leaders help to tackle big social problems? It can seem like an overwhelming, impossible task. But successful change agents have shown that networking and communication skills are key. They show up, in person, to investigate the issues and build... View Details

Keywords: Network; Self-serving; Social Issues; Networks; Communication; Leading Change

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March 2016
Article

Environmental Demands and the Emergence of Social Structure: Technological Dynamism and Interorganizational Network Forms

By: Adam Tatarynowicz, Maxim Sytch and Ranjay Gulati

This study investigates the origins of variation in the structures of interorganizational networks across industries. We combine empirical analyses of existing interorganizational networks in six industries with an agent-based simulation model of network emergence.... View Details

Keywords: Interorganizatonal Relationships; Social Networks; Network Emergence; Interorganizational Networks; Information Technology; Networks; Organizational Structure; Social and Collaborative Networks; Social Media

Article

Dynamic Silos: Modularity in Intra-organizational Communication Networks during the Covid-19 Pandemic

By: Jonathan Larson, Tiona Zuzul, Emily Cox Pahnke, Neha Parikh Shah, Patrick Bourke, Nicholas Caurvina, Fereshteh Amini, Youngser Park, Joshua Vogelstein, Jeffrey Weston, Christopher White and Carey E. Priebe

Workplace communications around the world were drastically altered by Covid-19, work-from-home orders, and the rise of remote work. We analyze aggregated, anonymized metadata from over 360 billion emails within over 4000 organizations worldwide to examine changes in... View Details

Keywords: COVID-19; Remote Work; Organizational Silos; Health Pandemics; Organizations; Communication; Networks

January 2000 (Revised October 2002)
Case

Cambridge Hospital Community Health Network - The Primary Care Unit

By: V.G. Narayanan, Lisa Brem and Ryan Moore

The Cambridge Hospital Community Health Network needed to gain a better understanding of its unit-of-service costs, which had been rising at a rate of 10% per year. The network's step-down costing system gave only aggregate costing information, and there was some... View Details

Keywords: Activity Based Costing and Management; Health Care and Treatment; Cost Accounting; Cost; Network Effects; Health Industry; Service Industry; Massachusetts

November–December 2023
Article

Network Centralization and Collective Adaptability to a Shifting Environment

By: Ethan S. Bernstein, Jesse C. Shore and Alice J. Jang

We study the connection between communication network structure and an organization’s collective adaptability to a shifting environment. Research has shown that network centralization—the degree to which communication flows disproportionately through one or more... View Details

Keywords: Network Centralization; Collective Intelligence; Organizational Change and Adaptation; Organizational Structure; Communication; Decision Making; Networks; Adaptation

September 7, 2020
Article

Remote Networking as a Person of Color

By: Laura Morgan Roberts and Anthony J. Mayo

In remote work situations, where people cannot rely on impromptu elevator conversations or water cooler chats with coworkers, the answer isn’t to turn inward. In fact, the need for networking is even more important. In particular, our interactions with people whose... View Details

Keywords: Remote Work; Networking; Networks; Interpersonal Communication; Race

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winter 1979
Article

Managing Communication Networks in Research and Development Laboratories

By: Michael Tushman

Keywords: Research and Development; Communication; Management

Article

Contagion of Cooperation in Static and Fluid Social Networks

By: Jillian J. Jordan, David G. Rand, Samuel Arbesman, James H. Fowler and Nicholas A. Christakis

Cooperation is essential for successful human societies. Thus, understanding how cooperative and selfish behaviors spread from person to person is a topic of theoretical and practical importance. Previous laboratory experiments provide clear evidence of social... View Details

Keywords: Social Contagion; Social Networks; Cooperation; Behavior; Social Media

Forthcoming
Article

Dynamic Silos: Increased Modularity and Decreased Stability in Intra-organizational Communication Networks During the COVID-19 Pandemic

By: Tiona Zuzul, Emily Cox Pahnke, Jonathan Larson, Christopher White, Patrick Bourke, Nicholas Caurvina, Neha Parikh Shah, Fereshteh Amini, Youngser Park, Joshua Vogelstein, Jeffrey Weston and Carey E. Priebe

Workplace communications around the world were drastically altered by COVID-19, related work-from-home orders, and the rise of remote work. To understand these shifts, we analyzed aggregated, anonymized metadata from over 360 billion emails within 4,361 organizations... View Details

Keywords: Remote Work; COVID-19; Communication Technology; Organizational Change and Adaptation

Article

The Pressure of the Past: Network Imprinting in Intercorporate Communities

By: Christopher Marquis

Keywords: Business Ventures; Groups and Teams

August 2000
Case

Beansprout Networks

By: Teresa M. Amabile and Rasheea Williams

Beansprout Networks is a 3-year-old Internet company designed to foster effective communication between parents and the pediatricians and child-care providers who care for their children. With a significant headstart in the marketplace, it has attracted considerable... View Details

Keywords: Entrepreneurship; Human Resources; Employees; Employee Relationship Management; Recruitment; Business or Company Management; Growth and Development Strategy; Management Practices and Processes; Organizational Culture; Strategy; Health Industry; Information Technology Industry

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

January 2024 (Revised May 2024)
Case

Private 5G Networks

By: Andy Wu and Maggie Yang

In the late 2010’s, 5G emerged as a new standard in communication technology. 5G was designed to enable ultra-reliable low-latency communications (URLLC), massive machine-type communication (MMTC), and enhanced mobile broadband (EMBB) (see Exhibit 1 for a detailed... View Details

Keywords: 5G; Communication Technology; Mobile and Wireless Technology; Technological Innovation; Innovation Strategy; Telecommunications Industry

2023
Article

Estimating Causal Peer Influence in Homophilous Social Networks by Inferring Latent Locations.

By: Edward McFowland III and Cosma Rohilla Shalizi

Social influence cannot be identified from purely observational data on social networks, because such influence is generically confounded with latent homophily, that is, with a node’s network partners being informative about the node’s attributes and therefore its... View Details

Keywords: Causal Inference; Homophily; Social Networks; Peer Influence; Social and Collaborative Networks; Power and Influence; Mathematical Methods

July 2000 (Revised May 2002)
Teaching Note

Cambridge Hospital Community Health Network - The Primary Care Unit TN

By: V.G. Narayanan and Lisa Brem

Teaching Note for (9-100-054). View Details

Keywords: Health Industry; Service Industry; Massachusetts

2017
Working Paper

Shopping for Confirmation: How Disconfirming Feedback Shapes Social Networks

By: Paul Green Jr., Francesca Gino and Bradley Staats

Many organizations employ interpersonal feedback processes as a structured means of informing and motivating employee improvement. Ample evidence suggests that these feedback processes are largely ineffective, and despite a wealth of prescriptive literature, these... View Details

Keywords: Developmental Feedback; Self-concept; Positive Illusions; Social Network; Threat; Identity; Social and Collaborative Networks; Behavior; Performance; Social Media

SSRN

Article

Machine Learning Approaches to Facial and Text Analysis: Discovering CEO Oral Communication Styles

By: Prithwiraj Choudhury, Dan Wang, Natalie A. Carlson and Tarun Khanna

We demonstrate how a novel synthesis of three methods—(1) unsupervised topic modeling of text data to generate new measures of textual variance, (2) sentiment analysis of text data, and (3) supervised ML coding of facial images with a cutting-edge convolutional neural... View Details

Keywords: CEOs; Communication Style; Machine Learning; Spoken Communication; Nonverbal Communication; Personal Characteristics; Analysis; Performance

November–December 2012
Article

Toward a Theory of Extended Contact: The Incentives and Opportunities for Bridging Across Network Communities

By: Maxim Sytch, Adam Tatarynowicz and Ranjay Gulati

This study investigates the determinants of bridging ties within networks of interconnected firms. Bridging ties are defined as nonredundant connections between firms located in different network communities. We highlight how firms can enter into these relationships... View Details

Keywords: Motivation and Incentives; Opportunities