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  • All HBS Web  (2,291)
    • People  (14)
    • News  (500)
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    • Multimedia  (9)
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  • 2020
  • Working Paper

Social Interactions in Pandemics: Fear, Altruism, and Reciprocity

By: Laura Alfaro, Ester Faia, Nora Lamersdorf and Farzad Saidi
In SIR models, homogeneous or with a network structure, infection rates are assumed to be exogenous. However, individuals adjust their behavior. Using daily data for 89 cities worldwide, we document that mobility falls in response to fear, as approximated by Google... View Details
Keywords: Social Interactions; Pandemics; Mobility; Cities; SIR Networks; Social Preferences; Social Planner; Targeted Policies; Health Pandemics; Interpersonal Communication; Behavior; Policy
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Alfaro, Laura, Ester Faia, Nora Lamersdorf, and Farzad Saidi. "Social Interactions in Pandemics: Fear, Altruism, and Reciprocity." NBER Working Paper Series, No. 27134, May 2020.
  • November 2008 (Revised November 2008)
  • Case

Cyworld: Creating and Capturing Value in a Social Network

By: Sunil Gupta and Sangman Han
In May 2008, the new CEO of Cyworld, a social network company in Korea, had to decide how to create and capture value from his rapidly growing user base. Cyworld was founded in 1999, and in 2003 it was acquired by SK Telecom, a leading mobile service provider in Korea.... View Details
Keywords: Customer Value and Value Chain; Consumer Behavior; Social and Collaborative Networks; Segmentation; Value Creation; South Korea
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Gupta, Sunil, and Sangman Han. "Cyworld: Creating and Capturing Value in a Social Network." Harvard Business School Case 509-012, November 2008. (Revised November 2008.)
  • March–April 2012
  • Article

The Genesis and Dynamics of Organizational Networks

By: Gautam Ahuja, Guiseppe Soda and Akbar Zaheer
An extensive body of knowledge exists on network outcomes and on how network structures may contribute to the creation of outcomes at different levels of analysis, but less attention has been paid to understanding how and why organizational networks emerge, evolve, and... View Details
Keywords: Economic Sociology; Economics And Organization; Social Networks; Organization And Management Theory; Interorganizatonal Relationships; Networks; Strategy; Change
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Ahuja, Gautam, Guiseppe Soda, and Akbar Zaheer. "The Genesis and Dynamics of Organizational Networks." Organization Science 23, no. 2 (March–April 2012): 434–448.
  • Research Summary

Networks

  1. Platforms and Network Effect
  2. On-line Social Networks
  3. Business Models
 View Details
  • 2012
  • Chapter

Problem Solving and Search in Networks

By: David Lazer and Ethan Bernstein
This chapter examines the role that networks play in facilitating or inhibiting search for solutions to problems at both the individual and collective levels. At the individual level, search in networks enables individuals to transport themselves to a very different... View Details
Keywords: Network Organizations; Search; Problem Solving; Individual; Individuals And Teams; Collective; Cognitive Search; Network Search; Search Typology; Networks; Social and Collaborative Networks; Theory; Knowledge Sharing
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Lazer, David, and Ethan Bernstein. "Problem Solving and Search in Networks." Chap. 17 in Cognitive Search: Evolution, Algorithms, and the Brain, edited by Peter M. Todd, Thomas T. Hills, and Trevor W. Robbins, 269–282. Cambridge, MA: MIT Press, 2012.
  • 2010
  • Conference Presentation

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

By: Frank Nagle
Citation
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Nagle, Frank. "Loose Lips Sink Networks: Is Social Networking Making Your Network Insecure." Paper presented at the GFIRST Conference, San Antonio, TX.
  • 2010
  • Conference Presentation

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

By: Frank Nagle
Citation
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Nagle, Frank. "Loose Lips Sink Networks: Is Social Networking Making Your Network Insecure?" Paper presented at the U.S. Department of Defense Cyber Crime Conference, St. Louis, MO.
  • 2010
  • Other Teaching and Training Material

Your Social Network over Time (survey tool)

By: Andreea Daniela Gorbatai and Mikolaj Jan Piskorski
Keywords: Social and Collaborative Networks; Online Technology
Citation
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Gorbatai, Andreea Daniela, and Mikolaj Jan Piskorski. "Your Social Network over Time (survey tool)." 2010. Electronic.
  • July 2012
  • Article

iPhones for Friends, Refrigerators for Family: How Products Prime Social Networks

By: Lalin Anik and Michael I. Norton
We show that priming consumers with products associated with specific social networks increases the salience of those networks, influencing both word-of-mouth intentions and consumption. Consumers were exposed to friend- or family-related products (e.g., game consoles... View Details
Keywords: Family and Family Relationships; Product; Customers; Familiarity; Social and Collaborative Networks
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Anik, Lalin, and Michael I. Norton. "iPhones for Friends, Refrigerators for Family: How Products Prime Social Networks." Social Influence 7, no. 3 (July 2012): 154–171.
  • 2007
  • Working Paper

Proprietary vs. Open Two-Sided Platforms and Social Efficiency

By: Andrei Hagiu
This paper identifies a fundamental economic welfare tradeoff between two-sided open platforms and two-sided proprietary (closed) platforms connecting consumers and producers. Proprietary platforms create two-sided deadweight losses through monopoly pricing but at the... View Details
Keywords: Two-Sided Markets; Platforms; Indirect Network Effects; Product Variety; Social Efficiency; Two-Sided Platforms; Network Effects; Welfare or Wellbeing
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Hagiu, Andrei. "Proprietary vs. Open Two-Sided Platforms and Social Efficiency." Harvard Business School Working Paper, No. 07-095, May 2007.
  • 13 Oct 2017
  • Working Paper Summaries

Shopping for Confirmation: How Disconfirming Feedback Shapes Social Networks

Keywords: by Paul Green, Jr., Francesca Gino, and Bradley Staats
  • Article

Social Networks Are the New Web Portals

By: Jeffrey F. Rayport
Keywords: Technology; Digital; Services; Strategy; Internet and the Web; Marketing
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Rayport, Jeffrey F. "Social Networks Are the New Web Portals." Bloomberg Businessweek Online (January 21, 2009).
  • April–May 2012
  • Article

Resources or Power? Implications of Social Networks on Compensation and Firm Performance

By: Joanne Horton, Yuval Millo and George Serafeim
Using a sample of 4,278 listed UK firms, we construct a social network of directorship-interlocks that comprises 31,495 directors. We use social capital theory and techniques developed in social network analysis to measure a director's connectedness and investigate... View Details
Keywords: Power and Influence; Social and Collaborative Networks; Compensation and Benefits; Performance; Relationships; Resource Allocation; United Kingdom
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Horton, Joanne, Yuval Millo, and George Serafeim. "Resources or Power? Implications of Social Networks on Compensation and Firm Performance." Journal of Business Finance & Accounting 39, nos. 3-4 (April–May 2012): 399–426.
  • Feb 2020
  • Conference Presentation

Network Selection Strategies

By: Amit Goldenberg and J. J. Gross
Keywords: Social Psychology; Personality; Emotions
Citation
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Goldenberg, Amit, and J. J. Gross. "Network Selection Strategies." Paper presented at the Society for Personality and Social Psychology Annual Convention, New Orleans, LA, February 2020.
  • November 2011
  • Article

Social Strategies That Work

By: Mikolaj Jan Piskorski
Although most companies have collected lots of friends and followers on social platforms such as Facebook, few have succeeded in generating profits there. That's because they merely port their digital strategies into social environments by broadcasting their commercial... View Details
Keywords: Social Platforms; Social Strategies; Social and Collaborative Networks; Customers; Relationships; Business Strategy; Profit
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Piskorski, Mikolaj Jan. "Social Strategies That Work." Harvard Business Review 89, no. 11 (November 2011): 116–122.
  • March 2021
  • Teaching Note

eToro: Building the World’s Largest Social Trading Network

By: Elie Ofek
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Ofek, Elie. "eToro: Building the World’s Largest Social Trading Network." Harvard Business School Teaching Note 521-088, March 2021.
  • December 2014
  • Article

The Contaminating Effects of Building Instrumental Ties: How Networking Can Make Us Feel Dirty

By: Tiziana Casciaro, Francesca Gino and Maryam Kouchaki
To create social ties to support their professional or personal goals, people actively engage in instrumental networking. Drawing from moral psychology research, we posit that this intentional behavior has unintended consequences for an individual's morality. Unlike... View Details
Keywords: Networking; Morality; Dirtiness; Power; Networks; Moral Sensibility; Identity; Power and Influence
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Casciaro, Tiziana, Francesca Gino, and Maryam Kouchaki. "The Contaminating Effects of Building Instrumental Ties: How Networking Can Make Us Feel Dirty." Administrative Science Quarterly 59, no. 4 (December 2014): 705–735.
  • April 2005 (Revised February 2006)
  • Case

Monster Networking

By: Thomas R. Eisenmann and David Andrew Vivero
The management at Monster.com, the leading U.S. provider of online recruitment services, must decide how to proceed with Monster Networking (MN), a new business launched in late 2003. MN helps users identify other individuals who can offer career advice. Monster.com... View Details
Keywords: Digital Platforms; Internet and the Web; Social and Collaborative Networks; Recruitment; Service Industry; Employment Industry; United States
Citation
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Eisenmann, Thomas R., and David Andrew Vivero. "Monster Networking." Harvard Business School Case 805-145, April 2005. (Revised February 2006.)
  • December 2020
  • Article

Why Connect? Moral Consequences of Networking with a Promotion or Prevention Focus

By: F. Gino, T. Casciaro and M. Kouchaki
Networks are a key source of social capital for achieving goals in professional and personal settings. Yet, despite the clear benefits of having an extensive network, individuals often shy away from the opportunity to create new connections because engaging in... View Details
Keywords: Networking; Impurity; Morality; Motivation; Regulatory Focus; Networks; Attitudes; Moral Sensibility
Citation
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Gino, F., T. Casciaro, and M. Kouchaki. "Why Connect? Moral Consequences of Networking with a Promotion or Prevention Focus." Journal of Personality and Social Psychology 119, no. 6 (December 2020).
  • 2010
  • Article

Power, Social Influence and Organizational Change: A Network Perspective

By: Julie Battilana and Tiziana Casciaro
Keywords: Organizations; Change; Perspective
Citation
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Battilana, Julie, and Tiziana Casciaro. "Power, Social Influence and Organizational Change: A Network Perspective." Academy of Management Best Paper Proceedings (2010).
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