Publications

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

07 Sep 2020
News

Remote Networking as a Person of Color

Article

Network Effects in the Governance of Strategic Alliances

We argue that the stock of prior alliances between participants in the biotechnology sector forms a network that serves as a governance mechanism in interfirm transactions. To test how this network substitutes for other governance mechanisms, we examine how equity... View Details

Keywords: Network Effects; Governance; Strategy; Alliances; Stocks; Market Transactions; Equity; Mortgages; Biotechnology Industry

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2010
Conference Presentation

Loose Lips Sink Networks: Is Social Networking Making Your Network Insecure

By: Frank Nagle

07 Feb 2019
Working Paper Summaries

Immigrant Networking and Collaboration: Survey Evidence from CIC

Keywords: by Sari Pekkala Kerr and William R. Kerr

Article

Stability and Competitive Equilibrium in Trading Networks

By: John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp

We introduce a model in which agents in a network can trade via bilateral contracts. We find that when continuous transfers are allowed and utilities are quasi-linear, the full substitutability of preferences is sufficient to guarantee the existence of stable outcomes... View Details

Keywords: Balance and Stability; Markets

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Feb 21 2023
Testimonial

Building a Network with Purpose

2010
Conference Presentation

Loose Lips Sink Networks: Is Social Networking Making Your Network Insecure?

By: Frank Nagle

July 2014
Article

Network Effects in Countries' Adoption of IFRS

By: Karthik Ramanna and Ewa Sletten

If the differences in accounting standards across countries reflect relatively stable institutional differences (e.g., auditing technology, the rule of law, etc.), why did several countries rapidly, albeit in a staggered manner, adopt IFRS over local standards in the... View Details

Keywords: International Accounting; Financial Reporting; Network Effects

August 2010 (Revised July 2012)
Case

Cork'd: Building a Social Network for Wine Lovers

Lindsay Ronga and Gary Vaynerchuk are launching Cork'd, an online social network for wine lovers. Despite Gary's status as a celebrity wine connoisseur, the team faces a significant challenge: several other wine social networks are well established and already have... View Details

Keywords: Entrepreneurship; Product Launch; Network Effects; Market Entry and Exit; Social and Collaborative Networks; Competitive Strategy; Food and Beverage Industry

Web

Rock 100: The Network - Entrepreneurship

Rock 100 A worldwide exclusive HBS network for founders of early stage, high impact ventures. We are growing exponentially! Welcome to the Rock 100. The Summit The Summit The Summit The Summit An exclusive event where Rock 100... View Details

December 2007
Article

Adoption of Information Technology under Network Effects

By: Deishin Lee and Haim Mendelson

Because information technologies are often characterized by network effects, compatibility is an important issue. Although total network value is maximized when everyone operates in one compatible network, we find that the technology benefits of the users depend on... View Details

Keywords: Network Effects; Standards; Competitive Strategy; Customization and Personalization; Information Technology; Technology Adoption

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2007
Working Paper

Bandwidth Allocation in Peer-to-Peer Filesharing Networks

By: Albert Creus-Mir, Ramon Casadesus-Masanell and Andres Hervas-Drane

We present a model of bandwidth allocation in a stylized peer-to-peer file sharing network with s peers (sharers) who share files and download from each other and f peers (freeriders) who download from sharers but do not contribute files. Assuming that upload bandwidth... View Details

Keywords: Information Infrastructure; Resource Allocation

June 2014
Supplement

eBay Partner Network — slide supplement (widescreen)

By: Benjamin Edelman

eBay considers adjustments to the structure and rules of its affiliate marketing program, eBay Partner Network (ePN). In particular, eBay reevaluates affiliate compensation structure, the role of bonuses for especially productive affiliates, and the overall rationale... View Details

Keywords: History; Online Technology; Markets; Negotiation Participants; Marketing; Job Cuts and Outsourcing; Internet and the Web; Marketing Channels; Business Processes; Change; Compensation and Benefits; Web Services Industry

23 Dec 2010
News

2010 Emerald Literati Network Outstanding Paper Award

29 Aug 2023
News

As Social Networks Get More Competitive, Which Ones Will Survive?

May 2011
Background Note

Scale Effects, Network Effects, and Investment Strategy

By: Willy Shih

This technical note discusses scale economies, and direct and indirect network effects in the context of building better business models. Some of the great business disasters of the dot.com bubble were companies that scaled their infrastructure without working through... View Details

Keywords: Business Model; Investment; Price; Crisis Management; Network Effects; Multi-Sided Platforms; Strategy

January 2010 (Revised March 2011)
Case

The Children's Hospital of Philadelphia: Network Strategy

By: Michael E. Porter, Carolyn Daly and Andrew Peter Dervan

In 2009 Children's Hospital of Philadelphia (CHOP) had been recognized as the best children's hospital in the country for six years in a row; but leadership saw CHOP as more than the large main campus in western Philadelphia. Beginning in the 1990s, CHOP had created a... View Details

Keywords: Communication; Health Care and Treatment; Service Delivery; Organizational Structure; Networks; Integration; Health Industry; Philadelphia