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- All HBS Web
(2,279)
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- News (499)
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- 2011
- Working Paper
Quantity vs. Quality: Exclusion by Platforms with Network Effects
By: Andrei Hagiu
This paper provides a simple model of platforms with direct network effects, in which users value not just the quantity (i.e., number) of other users who join, but also their average quality in some dimension. A monopoly platform is more likely to exclude low-quality... View Details
Keywords: Multi-sided Platforms; Exclusion; Quality And Quantity; Cost; Governing Rules, Regulations, and Reforms; Network Effects; Market Participation; Digital Platforms; Monopoly; Quality; Motivation and Incentives; Strategy
Hagiu, Andrei. "Quantity vs. Quality: Exclusion by Platforms with Network Effects." Harvard Business School Working Paper, No. 11-125, May 2011.
- Article
Past, Present and Future Research on Multiple Identities: Toward an Intrapersonal Network Approach
Psychologists, sociologists, and philosophers have long recognized that people have multiple identities—based on attributes such as organizational membership, profession, gender, ethnicity, religion, nationality, and family role(s) and that these multiple identities... View Details
Ramarajan, Lakshmi. "Past, Present and Future Research on Multiple Identities: Toward an Intrapersonal Network Approach." Academy of Management Annals 8 (2014): 589–659.
- 2009
- Working Paper
Do Friends Influence Purchases in a Social Network?
By: Raghuram Iyengar, Sangman Han and Sunil Gupta
Social networks, such as Facebook and Myspace have witnessed a rapid growth in their membership. Some of these businesses have tried an advertising-based model with very limited success. However, these businesses have not fully explored the power of their members to... View Details
Keywords: Marketing; Network Effects; Sales; Power and Influence; Social and Collaborative Networks; Web Sites; South Korea
Iyengar, Raghuram, Sangman Han, and Sunil Gupta. "Do Friends Influence Purchases in a Social Network?" Harvard Business School Working Paper, No. 09-123, April 2009.
- 02 Jun 2014
- Research & Ideas
Secrets to a Successful Social Media Strategy
according to Alexa Internet. The business-oriented social network has more than 300 million members, all of whom list their educational and professional achievements on the site in the name of professional... View Details
Keywords: by Carmen Nobel
- 2009
- Article
Compelled to Help: Effects of Direct and Indirect Exchange on Perceived Obligation in Professional Networks
By: Roy Y.J. Chua, Billian Sullivan and Michael W. Morris
This research examines felt obligation to help others in employees' and managers' professional networks using a social exchange perspective. We hypothesize that obligation toward others would follow the norms of both direct and indirect reciprocity. Direct reciprocity... View Details
Keywords: Perspective; Conflict of Interests; Research; Surveys; Networks; Forecasting and Prediction; Social Issues
Chua, Roy Y.J., Billian Sullivan, and Michael W. Morris. "Compelled to Help: Effects of Direct and Indirect Exchange on Perceived Obligation in Professional Networks." Academy of Management Annual Meeting Proceedings (2009).
- December 2007
- Article
Bankers, Industrialists, and Their Cliques: Elite Networks in Mexico and Brazil during Early Industrialization
By: Aldo Musacchio and Ian Read
The historiographies of Mexico and Brazil have implicitly stated that business networks were crucial for the initial industrialization of these two countries. Recently, differing visions on the importance of business networks have arisen. In the case of Mexico, the... View Details
Keywords: Business and Government Relations; Networks; Business History; Market Entry and Exit; Emerging Markets; Entrepreneurship; Financial Markets; Supply and Industry; Banks and Banking; Brazil; Mexico
Musacchio, Aldo, and Ian Read. "Bankers, Industrialists, and Their Cliques: Elite Networks in Mexico and Brazil during Early Industrialization." Enterprise & Society 8, no. 4 (December 2007): 842–880.
- 2021
- Chapter
Generating Social Entrepreneurship Knowledge: International Research Collaboration on a Hemispheric Level
By: James E. Austin, Gabriel Berger, Rosa Amelia González, Roberto Gutiérrez, Iván D. Lobo and Alfred Vernis
Provide insights on how social entrepreneurship (SE) knowledge can be more effectively generated by universities through the entrepreneurial creation and effective management of a knowledge network centered on international collaborative research; illuminate how one... View Details
Keywords: Social Entrepreneurship; Knowledge; Networks; Collaborative Innovation and Invention; Global Range
Austin, James E., Gabriel Berger, Rosa Amelia González, Roberto Gutiérrez, Iván D. Lobo, and Alfred Vernis. "Generating Social Entrepreneurship Knowledge: International Research Collaboration on a Hemispheric Level." In Social Entrepreneurship. Vol. 5, edited by David Wasieleski and James Weber. Business and Society 360. Bingley, UK: Emerald Publishing Limited, 2021.
- January 2009
- Background Note
Financial Networks and Informal Banking in China: From Pawnshops to Private Equity
By: Elisabeth Koll
Provides an analysis of why informal financial networks and institutions still play an extremely important role in China's economy in the 21st century. Although China has emerged as one of the fastest growing economies in the world, it still suffers from a weak... View Details
Keywords: Entrepreneurship; Private Equity; Banks and Banking; Financing and Loans; Governing Rules, Regulations, and Reforms; State Ownership; Business and Government Relations; Networks; China
Koll, Elisabeth. "Financial Networks and Informal Banking in China: From Pawnshops to Private Equity." Harvard Business School Background Note 809-111, January 2009.
- Article
Spanning the Institutional Abyss: The Intergovernmental Network and the Governance of Foreign Direct Investment
By: Juan Alcacer and Paul Ingram
Global economic transactions such as foreign direct investment must extend over an institutional abyss between the jurisdiction, and therefore protection, of the states involved. Intergovernmental organizations (IGOs), whose members are states, represent an important... View Details
Keywords: Globalization; Market Transactions; Foreign Direct Investment; Government and Politics; Risk and Uncertainty; Networks; Culture; Complexity; Public Administration Industry
Alcacer, Juan, and Paul Ingram. "Spanning the Institutional Abyss: The Intergovernmental Network and the Governance of Foreign Direct Investment." American Journal of Sociology 118, no. 4 (January 2013).
- 21 Apr 2011
- Research & Ideas
Searching for Better Practices in Social Investing
In order to garner the capital necessary to foot the bill for social change, nonprofits need to think less about traditional grants and more in terms of innovation--and so do the organizations that fund them. This was a key message from... View Details
- 2008
- Working Paper
Spanning the Institutional Abyss: The Intergovernmental Network and the Governance of Foreign Direct Investment
By: Juan Alcacer and Paul Ingram
Global economic transactions such as foreign direct investment must extend over an institutional abyss between the jurisdiction, and therefore protection, of the states involved. Intergovernmental organizations (IGOs), whose members are states, represent an important... View Details
Keywords: International Finance; Foreign Direct Investment; Cross-Cultural and Cross-Border Issues; Governance Controls; International Relations; Social Issues
Alcacer, Juan, and Paul Ingram. "Spanning the Institutional Abyss: The Intergovernmental Network and the Governance of Foreign Direct Investment." Harvard Business School Working Paper, No. 09-045, September 2008.
- 14 Nov 2023
- Research & Ideas
The Network Effect: Why Companies Should Care About Employees’ LinkedIn Connections
conclusion—professional social networks “may have potential benefits to companies, and not only to the individual,” says Frank Nagle, an assistant professor at Harvard Business School. “What we’re trying to... View Details
Keywords: by Ben Rand
- 12 Feb 2009
- Working Paper Summaries
Platform Competition, Compatibility, and Social Efficiency
- 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
Davin, Joseph P., Sunil Gupta, and Mikolaj Jan Piskorski. "Separating Homophily and Peer Influence with Latent Space." Harvard Business School Working Paper, No. 14-053, January 2014.
- March–April 2020
- Article
Avoid the Pitfalls of A/B Testing
By: Iavor I. Bojinov, Guillaume Sait-Jacques and Martin Tingley
Online experiments measuring whether “A,” usually the current approach, is inferior to “B,” a proposed improvement, have become integral to the product-development cycle, especially at digital enterprises. But often firms make serious mistakes in conducting these... View Details
Keywords: A/B Testing; Experiment Design; Social Networks; Product Development; Performance Improvement; Measurement and Metrics; Social Media
Bojinov, Iavor I., Guillaume Sait-Jacques, and Martin Tingley. "Avoid the Pitfalls of A/B Testing." Harvard Business Review 98, no. 2 (March–April 2020): 48–53.
- Research Summary
Governance and Accountability in Social Sector Organizations
This research examines governance in two types of organizations: international NGOs and socioeconomic hybrids.
First, over the past decade, many of the world's most prominent international nongovernmental organizations and networks (INGOs) ... View Details
- March 2000
- Article
The Duality of Collaboration: Inducements and Opportunities in the Formation of Interfirm Linkages
By: Gautam Ahuja
I argue that the linkage-formation propensity of firms is explained by simultaneously examining both inducement and opportunity factors. Drawing upon resource-based and social network theory literatures I identify three forms of accumulated... View Details
Keywords: Collaboration; Innovation; Networks; Strategy; Alliances; Social and Collaborative Networks; Innovation and Invention; Chemical Industry
Ahuja, Gautam. "The Duality of Collaboration: Inducements and Opportunities in the Formation of Interfirm Linkages." Special Issue on Strategic Networks edited by Ranjay Gulati, Nitin Nohria, Akbar Zaheer. Strategic Management Journal 21, no. 3 (March 2000): 317–343.
- Research Summary
How a Multicultural Social Environment Influences Creativity and Innovation
My second stream of research draws on my first stream of work to examine how a multicultural social environment influences individuals’ creative thinking and performance at a global workplace. In an on-going project, I found that individuals high in cultural... View Details
- Research Summary
Overview
According to McKinsey & Company, social interactions impact up to a third of all consumer purchases which accounts for US$940 billion in annual consumption in the US and Europe alone. Understanding social influence is important meeting consumer needs. In my research,... View Details
- December 2010
- Article
Organizing the In-between: The Population Dynamics of Network-weaving Organizations in the Global Interstate Network
By: Paul Ingram and Magnus Thor Torfason
This article examines the population dynamics and viability of network weavers, which are organizations that provide network relations for others. An analysis of the population dynamics of the intergovernmental organizations (IGOs) that are the basis of the interstate... View Details
Keywords: Networks; Organizations; Demographics; Relationships; Globalization; Economics; Conflict and Resolution; Value; Lawfulness; Competition
Ingram, Paul, and Magnus Thor Torfason. "Organizing the In-between: The Population Dynamics of Network-weaving Organizations in the Global Interstate Network." Administrative Science Quarterly 55, no. 4 (December 2010): 577–605.