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

2016
Working Paper

Private Networks of Managers and Financial Analysts and Their Externality on a Firm's Information Environment

By: Zengquan Li, T.J. Wong and Gwen Yu

When emerging market firms raise external capital, they face a tradeoff where greater transparency may lead to a lower cost of capital but at the cost of revealing proprietary information in their relational business practices. We find that firms overcome this... View Details

Keywords: Emerging Market; Financial Analysts; Information; Emerging Markets; Forecasting and Prediction; Corporate Governance

October 2015
Case

Facebook: The First Ten Years

By: Shane Greenstein, Marco Iansiti and Christine Snively

Facebook celebrated its ten year anniversary in February 2014. Over the past decade it has grown into the largest social network in the world with one billion users. After filing an IPO in 2012 at a $104 billion valuation (the third largest IPO in U.S. history), the... View Details

Keywords: Social Networks; Technology; Facebook; Entrepreneurship; Profit; Open Source Distribution; Social and Collaborative Networks; Competition; Competitive Strategy; Internet and the Web; Digital Platforms; Social Media; Information Technology Industry

Educators

Web

The MOC Affiliate Network Impact - Institute For Strategy And Competitiveness

HBS ISC Resources Resources Video Courses Data Events & Presentations Frameworks News Publications Courses The MOC Affiliate Networ... MOC Affiliate Network Impact Affiliates, Faculty, ALUMNI & Courses 124 Active Affiliates 786 Faculty... View Details

2014
Other Teaching and Training Material

Marketing Reading: Creating Customer Value

By: Sunil Gupta

This Reading explores how firms can create value for their customers. The goal of any business is to delight customers by understanding its customers' needs and to provide products and services to meet those needs. As a result, it is critical to understand what... View Details

Keywords: Consumer Behavior; Consumer Marketing; Customer Experience; Network Effects; Service Profit Chain; Total Customer Value

05 Oct 2021
Blog Post

First-Gen Voices: Eric Westphal on Tapping into the Global Alumni Network & Making a Difference across Borders

alumni-founded e-commerce startup for his HBS internship. Yet what might seem like a direct entrepreneurial path was anything but. Westphal’s life and career have crossed country lines, cultures, and industries, and continue to lead him... View Details

March 2022
Article

Estimating the Effectiveness of Permanent Price Reductions for Competing Products Using Multivariate Bayesian Structural Time Series Models

By: Fiammetta Menchetti and Iavor Bojinov

Researchers regularly use synthetic control methods for estimating causal effects when a sub-set of units receive a single persistent treatment, and the rest are unaffected by the change. In many applications, however, units not assigned to treatment are nevertheless... View Details

Keywords: Causal Inference; Partial Interference; Synthetic Controls; Bayesian Structural Time Series; Mathematical Methods

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

14 Apr 2014
Working Paper Summaries

Facts and Figuring: An Experimental Investigation of Network Structure and Performance in Information and Solution Spaces

Keywords: by Jesse Shore, Ethan Bernstein & David Lazer

December 2016
Module Note

Strategy Execution Module 10: Using the Job Design Optimization Tool to Build Effective Organizations

By: Robert Simons

This module reading provides directions for using the online Job Design Optimization Tool (JDOT) which is available free of charge from Harvard Business School Publishing at https://cb.hbsp.harvard.edu/cbmp/resources/marketing/multimedia/JDOT/index.html. This tool can... View Details

Keywords: Management Control Systems; Implementing Strategy; Execution; Span Of Control; Span Of Accountability; Performance Measurement; Job Design; Organization Design; Strategy; Entrepreneurship

2021
Working Paper

Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the U.S.

By: Vasiliki Fouka and Marco Tabellini

How do social group boundaries evolve? Does the appearance of a new outgroup change the ingroup's perceptions of other outgroups? We introduce a conceptual framework of context-dependent categorization, in which exposure to one minority leads to recategorization of... View Details

Keywords: In-group-out-group Relations; Immigration; Race; Attitudes; Boundaries; Prejudice and Bias

SSRN

December 2017
Article

Discordant vs. Harmonious Selves: The Effects of Identity Conflict and Enhancement on Sales Performance in Employee-Customer Interactions

By: Lakshmi Ramarajan, Nancy Rothbard and Steffanie Wilk

Across multiple studies, we examine how identity conflict and enhancement within people affect performance in tasks that involve interactions between people through two mechanisms: role-immersion, operationalized as intrinsic motivation, and role-taking,... View Details

Keywords: Identity; Interpersonal Communication; Sales; Performance

September 2019
Article

Bill McKibben’s Influence on U.S. Climate Change Discourse: Shifting Field-Level Debates Through Radical Flank Effects

By: Todd Schifeling and Andrew J. Hoffman

This article examines the influence of radical flank actors in shifting field-level debates by increasing the legitimacy of preexisting but peripheral issues. Using network text analysis, we apply this conceptual model to the climate change debate in the United States... View Details

Keywords: Government Legislation; Climate Change; Public Opinion; Power and Influence; Policy; United States

April 2022
Article

The Past Is Prologue? Venture-Capital Syndicates' Collaborative Experience and Start-Up Exits

By: Dan Wang, Emily Cox Pahnke and Rory M. McDonald

Past research has produced contradictory insights into how prior collaboration between organizations—their relational embeddedness—impacts collective collaborative performance. We theorize that the effect of relational embeddedness on collaborative success is... View Details

Keywords: Inter-organizational Networks; Collaboration; Entrepreneurship; Networks; Organizations; Performance; Venture Capital

Research Summary

The Effects of Firm Size and Sales Growth Rate on Inventory Turnover Performance in the U.S. Retail Sector

We review and extend recent academic literature on the inventory turnover performance of public-listed U.S. retailers using firm-level financial data. Past research has shown that there is a large variation in the inventory turnover performance of retailers across... View Details

2006
Working Paper

Defining the Attributes and Processes that Enhance the Effectiveness of Workforce Diversity Initiatives in Knowledge Intensive Firms

By: Modupe Akinola and David A. Thomas

Workforce diversity continues to be a key focus for organizations, driven by globalization of the U.S. economy and the desire for organizations to more accurately reflect the demographic diversity of the US population. Yet, most research on diversity in organizations... View Details

Keywords: Diversity; Globalization; Employees; Retention; Knowledge Sharing; Research; United States

02 Feb 2002
What Do You Think?

Will the Societal Effects of Enron Exceed Those of September 11?

Summing Up The question of the relative societal effects of the Enron case and the September 11 attacks elicited some of the most heated responses received to date. But where there was heat, there was not necessarily fire—that is, if... View Details

Keywords: by James Heskett

August, 2022
Article

Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the United States

By: Vasiliki Fouka and Marco Tabellini

How do social group boundaries evolve? Does the appearance of a new outgroup change the ingroup's perceptions of other outgroups? We introduce a conceptual framework of context-dependent categorization, in which exposure to one minority leads to recategorization of... View Details

Keywords: In-group-out-group Relations; Ingroup-outgroup Relations; Immigration; Race; Relationships; United States