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- February 2007 (Revised February 2007)
- Case
Wikipedia (A)
By: Karim R. Lakhani and Andrew P. McAfee
Wikipedia has emerged as a robust model for content production by volunteers working asynchronously on the Internet with a unconventional model for distributed decision making. The "Articles for Deletion" process in Wikipedia provides unique insight into the inner... View Details
- July 2018
- Article
Does Copyright Affect Reuse? Evidence from Google Books and Wikipedia
By: Abhishek Nagaraj
While digitization has greatly increased the reuse of knowledge, this study shows how these benefits might be mitigated by copyright restrictions. I use the digitization of in-copyright and out-of-copyright issues of Baseball Digest magazine by Google Books to... View Details
Nagaraj, Abhishek. "Does Copyright Affect Reuse? Evidence from Google Books and Wikipedia." Management Science 64, no. 7 (July 2018): 3091–3107.
- September 2018
- Article
Do Experts or Crowd-Based Models Produce More Bias? Evidence from Encyclopædia Britannica and Wikipedia
By: Shane Greenstein and Feng Zhu
Organizations today can use both crowds and experts to produce knowledge. While prior work compares the accuracy of crowd-produced and expert-produced knowledge, we compare bias in these two models in the context of contested knowledge, which involves subjective,... View Details
Keywords: Online Community; Collective Intelligence; Wisdom Of Crowds; Bias; Wikipedia; Britannica; Knowledge Production; Knowledge Sharing; Knowledge Dissemination; Prejudice and Bias
Greenstein, Shane, and Feng Zhu. "Do Experts or Crowd-Based Models Produce More Bias? Evidence from Encyclopædia Britannica and Wikipedia." MIS Quarterly 42, no. 3 (September 2018): 945–959.
- Article
Is Wikipedia Biased?
By: Shane Greenstein and Feng Zhu
Greenstein, Shane, and Feng Zhu. "Is Wikipedia Biased?" American Economic Review: Papers and Proceedings 102, no. 3 (May 2012): 343–348.
- 23 Jul 2007
- Research & Ideas
HBS Cases: How Wikipedia Works (or Doesn’t)
lead to an HBS case study, written with professor Karim R. Lakhani, on how Wikipedia governs itself and faces controversial challenges. The elbows are sharp on Wikipedia. It's not cuddly.—Andy McAfee The case offers students a chance to... View Details
- 19 Jan 2015
- Research & Ideas
Is Wikipedia More Biased Than Encyclopædia Britannica?
as good as the experts, others show [that] Wikipedia is not accurate at all." Complicating matters, however, many of the topics that we look up in the Britannica—any encyclopedia—aren't factually cut-and-dried. "Most of the topics of... View Details
- 20 Jan 2011
- Working Paper Summaries
Testing Coleman’s Social-Norm Enforcement Mechanism: Evidence from Wikipedia
- 2011
- Article
Group Size and Incentives to Contribute: A Natural Experiment at Chinese Wikipedia
By: Michael Zhang and Feng Zhu
In this paper, we examine the causal relationship between group size and incentives to contribute in the setting of Chinese Wikipedia, the Chinese language version of an online encyclopedia that relies entirely on voluntary contributions. The group at Chinese Wikipedia... View Details
Keywords: Rights; Motivation and Incentives; Internet and the Web; Valuation; Groups and Teams; Knowledge Sharing; Behavior; Satisfaction; Size; Government and Politics; Economics; Information Technology Industry; Hong Kong; Taiwan; Singapore
Zhang, Michael, and Feng Zhu. "Group Size and Incentives to Contribute: A Natural Experiment at Chinese Wikipedia." American Economic Review 101, no. 4 (June 2011): 1601–1615.
- 2011
- Other Unpublished Work
Aligning Collective Production with Demand: Evidence from Wikipedia
Economic markets align supply and demand through prices. However, many social phenomena lack pricing to inform producers about consumer demand. This can lead to the over- or under-production of certain goods and services. In this paper, I propose a social mechanism... View Details
Gorbatai, Andreea Daniela. "Aligning Collective Production with Demand: Evidence from Wikipedia." 2011.
- 10 Apr 2008
- Conference Presentation
Social Structure of Wikipedia Collaboration
By: Andreea Daniela Gorbatai
- 2013
- Other Unpublished Work
Social Structure of Norm Enforcement: Evidence from Wikipedia
By: Mikolaj Jan Piskorski and Andreea Daniela Gorbatai
- 2013
- Working Paper
Testing Coleman's Social-Norm Enforcement Mechanism: Evidence from Wikipedia
By: Mikolaj J. Piskorski and Andreea Gorbatai
Since Durkheim, sociologists have believed that dense network structures lead to fewer norm violations. Coleman (1990) proposed one mechanism generating this relationship and argued that dense networks provide an opportunity structure to reward those who punish norm... View Details
Keywords: Governance Compliance; Governance Controls; Governing Rules, Regulations, and Reforms; Information Publishing; Social and Collaborative Networks; Social Issues; Societal Protocols
Piskorski, Mikolaj J., and Andreea Gorbatai. "Testing Coleman's Social-Norm Enforcement Mechanism: Evidence from Wikipedia." Harvard Business School Working Paper, No. 11-055, December 2010. (Revised September 2011, March 2013.)
- November 7, 2016
- Article
How Wikipedia Keeps Political Discourse from Turning Ugly
By: Shane Greenstein and Feng Zhu
Greenstein, Shane, and Feng Zhu. "How Wikipedia Keeps Political Discourse from Turning Ugly." Harvard Business Review (website) (November 7, 2016).
- 07 Nov 2014
- Working Paper Summaries
Do Experts or Collective Intelligence Write with More Bias? Evidence from Encyclopædia Britannica and Wikipedia
- Article
Turbulent Stability of Emergent Roles: The Dualistic Nature of Self-Organizing Knowledge Co-Production
By: Ofer Arazy, Johaness Daxenberg, Hila Lifshitz - Assaf, Oded Nov and Irene Gurevych
Increasingly, new forms of organizing for knowledge production are built around self-organizing co-production community models with ambiguous role definitions. Current theories struggle to explain how high-quality knowledge is developed in these settings and how... View Details
Keywords: Wikipedia; Knowledge Production; Organizational Structure; Knowledge; Information Publishing
Arazy, Ofer, Johaness Daxenberg, Hila Lifshitz - Assaf, Oded Nov, and Irene Gurevych. "Turbulent Stability of Emergent Roles: The Dualistic Nature of Self-Organizing Knowledge Co-Production." Information Systems Research 27, no. 4 (December 2016): 792–812.
- Research Summary
Dissertation - Social Structure and Mechanisms of Collective Production:Evidence from Wikipedia
Andreea's dissertation research examines social networks in the setting of collective production, defined as collective action oriented towards production of collective goods - goods available for consumption by all members of a group whenever they... View Details
- Article
Neither a Bazaar nor a Cathedral: The Interplay between Structure and Agency in Wikipedia's Role System.
By: Ofer Arazy, Hila Lifshitz - Assaf and Adam Balila
Roles provide a key coordination mechanism in peer-production. Whereas one stream in the literature has focused on the structural responsibilities associated with roles, the another has stressed the emergent nature of work. To date, these streams have proceeded largely... View Details
Arazy, Ofer, Hila Lifshitz - Assaf, and Adam Balila. "Neither a Bazaar nor a Cathedral: The Interplay between Structure and Agency in Wikipedia's Role System." Art. 1. Journal of the Association for Information Science and Technology 70, no. 1 (January 2019): 3–15.
- 2014
- Other Unpublished Work
Neutral Point of View and Collective Intelligence Bias: The Case of Wikipedia
By: Shane Greenstein
- 2009
- Other Unpublished Work
When Weak Ties and Social Alternatives Benefit Organizational Commitment: Evidence from Wikipedia
This study examines the social mechanisms reinforcing participant commitment to collaborative work. Previous literature largely fails to acknowledge the wider context of individual workplace commitments, or suggests that multiple concurrent work and life commitments... View Details
Keywords: Social and Collaborative Networks
- May 2021
- Article
Ideology and Composition Among an Online Crowd: Evidence From Wikipedians
By: Shane Greenstein, Grace Gu and Feng Zhu
Online communities bring together participants from diverse backgrounds and often face challenges in aggregating their opinions. We infer lessons from the experience of individual contributors to Wikipedia articles about U.S. politics. We identify two factors that... View Details
Keywords: User Segregation; Online Community; Contested Knowledge; Collective Intelligence; Ideology; Bias; Wikipedia; Knowledge Sharing; Perspective; Government and Politics
Greenstein, Shane, Grace Gu, and Feng Zhu. "Ideology and Composition Among an Online Crowd: Evidence From Wikipedians." Management Science 67, no. 5 (May 2021): 3067–3086.