Publications

2013
Working Paper

Separating Homophily and Peer Influence with Latent Space

By: Joseph P. Davin, Sunil Gupta and Mikolaj Jan Piskorski

We study the impact of peer behavior on the adoption of mobile apps in a social network. To identify social influence properly, we introduce latent space as an approach to control for latent homophily, the idea that "birds of a feather flock together." In a series of... View Details

Keywords: Social Influence; Social Network; Mobile App; Peer Effects; Latent Homophily; Latent Space; Proxy Variables; Familiarity; Behavior; Consumer Behavior; Applications and Software; Social and Collaborative Networks; Mobile and Wireless Technology; Power and Influence; Social Media

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

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22 Jan 2014
Working Paper Summaries

Separating Homophily and Peer Influence with Latent Space

Keywords: by Joseph P. Davin, Sunil Gupta & Mikołaj Jan Piskorski

2020
Working Paper

Social Influence in the COVID-19 Pandemic: Community Establishments’ Closure Decisions Follow Those of Nearby Chain Establishments

By: Abhishek Nagaraj, Mathijs de Vaan, Saqib Mumtaz and Sameer Srivastava

As conveners that bring various stakeholders into the same physical space, firms can powerfully influence the course of pandemics such as COVID-19. Even when operating under government orders and health guidelines, firms have considerable discretion to keep their... View Details

Keywords: COVID-19; Peer Influence; Closure Decisions; Health Pandemics; Business Ventures; Decisions; Business and Community Relations

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... View Details

2018
Article

Prior Ties and the Limits of Peer Effects on Startup Team Performance

By: Sharique Hasan and Rembrand Koning

We conduct a field experiment at an entrepreneurship bootcamp to investigate whether interaction with proximate peers shapes a nascent startup team's performance. We find that teams whose members lack prior ties to others at the bootcamp experience peer effects that... View Details

Keywords: Field Experiment; Peer Effects; Office Space; Knowledge Spillovers; Accelerators; Entrepreneurship; Knowledge Sharing; Performance; Technology Industry; India

July 2010
Article

Workplace Peers and Entrepreneurship

By: Ramana Nanda and Jesper B. Sorensen

We examine whether the likelihood of entrepreneurial activity is related to the prior career experiences of an individual's co-workers, using a unique matched employer-employee panel dataset. We argue that coworkers can increase the likelihood that an individual will... View Details

Keywords: Entrepreneurship; Personal Development and Career; Perception; Opportunities; Motivation and Incentives; Power and Influence

2008
Working Paper

Workplace Peers and Entrepreneurship

By: Ramana Nanda and Jesper B. Sorensen

We examine whether the likelihood of entrepreneurial activity is related to the prior career experiences of an individual's co-workers, using a unique matched employer-employee panel dataset. We argue that coworkers can increase the likelihood that an individual... View Details

Keywords: Experience and Expertise; Entrepreneurship; Personal Development and Career; Power and Influence

31 Jan 2008
Working Paper Summaries

Peer Effects and Entrepreneurship

Keywords: by Ramana Nanda & Jesper B. Sørensen

November 9, 2019
Article

Effect of Revealing Authors' Conflicts of Interests in Peer Review: Randomized Controlled Trial

By: Leslie K. John, George Loewenstein, Andrew Marder and Michael Callaham

Objective: To assess the impact of disclosing authors’ conflict of interest declarations to peer reviewers at a medical journal.
Design: Randomised controlled trial.

Setting: The study was conducted within the manuscript review process at the... View Details

Keywords: Conflicts Of Interest; Peer Review; Randomized Controlled Trial; Scientific Publication; Conflict of Interests; Journals and Magazines; Science

20 Nov 2012
Working Paper Summaries

Pay Harmony: Peer Comparison and Executive Compensation

Keywords: by Claudine Gartenberg & Julie Wulf

June 2014
Article

Informal Peer Interaction and Practice Type as Predictors of Physician Performance on Maintenance of Certification Examinations

By: Melissa A. Valentine, S. Barsade, Amy C. Edmondson, A. Gal and R. Rhodes

Context: Physicians can demonstrate mastery of the knowledge that supports continued clinical competence by passing a Maintenance of Certification exam. Exam performance depends on professional learning and development, which may be enhanced by informal routine... View Details

Keywords: Training; Health Care and Treatment; Performance; Social and Collaborative Networks; Learning; Health Industry

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

14 May 2019
Working Paper Summaries

Do Experts Listen to Other Experts? Field Experimental Evidence from Scientific Peer Review

Keywords: by Misha Teplitskiy, Hardeep Ranu, Gary Gray, Michael Menietti, Eva Guinan, and Karim R. Lakhani

August 2013
Article

Lords of the Harvest: Third-party Influence and Regulatory Approval of Genetically Modified Organisms

By: Shon R. Hiatt and Sangchan Park

Little is known about the factors that influence regulatory-agency decision making. We posit that regulatory agencies are influenced by the firms they regulate, but not exclusively via dyadic exchanges as is traditionally argued in the regulatory capture and... View Details

Keywords: Strategy; Government and Politics; Agriculture and Agribusiness Industry; United States

Web

Power and Influence for Positive Impact | HBS Online

Introduction to Power and Influence for Positive Impact LIMITED TIME ONLY Extra learning at no extra cost. Enroll now and unlock a GenAI Bonus Bundle featuring complimentary lessons on AI fundamentals. Download our guide to learn more... View Details

27 Sep 2010
Research & Ideas

Customer Experts Lose Influence When Teams are Pressured

early low-pressure meetings for one consulting team, all members asked the customer-expert—a relatively junior member of the team—for input; in turn, he behaved confidently and often successfully challenged the team leader's ideas. As the pressure increased, however,... View Details

Keywords: by Sarah Jane Gilbert

2009
Working Paper

Social Influence Given (Partially) Deliberate Matching: Career Imprints in the Creation of Academic Entrepreneurs

By: Pierre Azoulay, Christopher C. Liu and Toby E. Stuart

Actors often match with associates on a small set of dimensions that matter most for the particular relationship at hand. In so doing, they are exposed to unanticipated social influences because counterparts have more interests, attitudes, and preferences than would-be... View Details

Keywords: Entrepreneurship; Patents; Marketplace Matching; Mathematical Methods; Science-Based Business; Power and Influence; Social and Collaborative Networks; Biotechnology Industry