Publications

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

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Research Summary

Credit Supply Shocks, Network Effects, and the Real Economy

By: Laura Alfaro

We consider the real effects of bank lending shocks and how they permeate the economy through buyer-supplier linkages. We combine administrative data on all firms in Spain with a matched bank-firm-loan dataset with information on the universe of corporate loans for... View Details

2020
Working Paper

Socioeconomic Network Heterogeneity and Pandemic Policy Response

By: Abhishek Nagaraj, Mohammad Akbarpour, Cody Cook, Aude Marzuoli, Simon Mongey, Matteo Saccarola, Pietro Tebaldi, Shoshana Vasserman and Hanbin Yang

We develop and implement a heterogeneous-agents network-based empirical model to analyze alternative policies during a pandemic outbreak. We combine several data sources, including information on individuals’ mobility and encounters across metropolitan areas,... View Details

Keywords: Health Pandemics; Policy; Outcome or Result; Analysis

November–December 2013
Article

The Dynamic Effects of Bundling as a Product Strategy

By: Timothy Derdenger and Vineet Kumar

Several key questions in bundling have not been empirically examined: Is mixed bundling more effective than pure bundling or pure components? Does correlation in consumer valuations make bundling more or less effective? Does bundling serve as a complement or substitute... View Details

Keywords: Product Strategy; Bundling; Complementary Goods; Marketing; Strategy; Video Game Industry

Research Summary

The Unexpected Effects of Workplace Connectivity

By: Ethan S. Bernstein

While investigating how workplace transparency and privacy shape organizational behavior and performance, I wondered about the related effects of workplace connectivity. As new digital tools and organizational forms make it far easier for employees to communicate... View Details

Keywords: Human Behavior; Performance; Virtual Work; Hybrid Work; Office Space; Workplace Design; Organizations; Organizational Design; Organizational Structure; Groups and Teams; Networks; Behavior; Social and Collaborative Networks; Communication

09 Feb 2015
Research & Ideas

Professional Networking Makes People Feel Dirty

The study, titled The Contaminating Effects of Building Instrumental Ties: How Networking Can Make Us Feel Dirty, appeared in the December 2014 issue of Administrative Science Quarterly. “Even when people... View Details

Keywords: by Carmen Nobel

Article

Incorporating Interpretable Output Constraints in Bayesian Neural Networks

By: Wanqian Yang, Lars Lorch, Moritz Graule, Himabindu Lakkaraju and Finale Doshi-Velez

Domains where supervised models are deployed often come with task-specific constraints, such as prior expert knowledge on the ground-truth function, or desiderata like safety and fairness. We introduce a novel probabilistic framework for reasoning with such constraints... View Details

Research Summary

The Global Networks of Multinational Firms (with Maggie Chen)

By: Laura Alfaro

In this paper we characterize the topology of global multinational networks and examine the macro and micro patterns of multinational activity. We construct indices of network density at both pairwise industry and establishment level and measure agglomeration in a... View Details

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

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

01 Apr 2025
Blog Post

Alumni in Climate Networking Series: Miami

Are you interested in connecting with other alumni leveraging their careers to confront climate change? BEI invites HBS Alumni to join our Alumni in Climate Networking Series for a chance to connect with local alumni to discuss ideas,... View Details

June 2013
Article

Signals across Multiple Networks: How Venture Capital and Alliance Networks Affect Interorganizational Collaboration

By: Umit Ozmel, Jeffrey J. Reuer and Ranjay Gulati

In this paper, we examine the contingent effects of signals generated by different types of networks on new ventures' formation of future strategic alliances. We argue that the signaling value of a given tie in reducing adverse selection is more pronounced when another... View Details

Keywords: Networks; Venture Capital; Alliances

July 2006
Article

Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows

By: Ramon Casadesus-Masanell and Pankaj Ghemawat

This paper analyzes a dynamic mixed duopoly in which a profit-maximizing competitor interacts with a competitor that prices at zero (or marginal cost), with the cumulation of output affecting their relative positions over time. The modeling effort is motivated by... View Details

June 2013
Background Note

Mobilizing an Online Business

By: Peter Coles and Benjamin Edelman

Entrepreneurs starting online businesses often need to mobilize multiple sets of users or customers, each of whom hesitates to participate unless others join also. This case presents several challenges with similar structure. View Details

Keywords: Mobilization Strategy; Network Effects; Platforms; Internet; Entrepreneurship; Strategy; Two-Sided Platforms; Technology Adoption; Innovation Strategy; Information Technology Industry; Telecommunications Industry; Computer Industry

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02 Oct 2000
Research & Ideas

Networked Incubators: Hothouses of the New Economy

important and lasting way of creating value and wealth in the new economy? Morten Hansen, Henry Chesbrough, Nitin Nohria, and Donald Sull argue that one type of incubator, called a networked incubator, represents a fundamentally new and... View Details

Keywords: by Morten T. Hansen, Henry W. Chesbrough, Nitin Nohria & Donald N. Sull

July 2010
Article

Board Interlocks and the Propensity to Be Targeted in Private Equity Transactions

By: Toby E. Stuart and Soojin Yim

In this paper, we examine the propensity for U.S. public companies to become targets for private equity-backed, take-private transactions. We consider the characteristics of 483 private equity-backed deals in the 2000-2007 period relative to public companies, and find... View Details

Keywords: Board Interlocks; Board Networks; Social Networks; Private Equity; Corporate Governance; Public Ownership; Market Transactions; Governing and Advisory Boards; United States