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- All HBS Web
(126)
- News (12)
- Research (112)
- Multimedia (1)
- Faculty Publications (85)
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- May 2013
- Supplement
Yammer (B)
By: Mikolaj J. Piskorski and Aaron Smith
Supplement to Yammer (A), case 712-494 View Details
Piskorski, Mikolaj J., and Aaron Smith. "Yammer (B)." Harvard Business School Supplement 713-483, May 2013.
- April 2012 (Revised March 2013)
- Case
Social Strategy at Harvard Business Review
By: Mikolaj Jan Piskorski and David Chen
The Harvard Business Review (HBR) Group was an early adopter of social media, boasting a robust presence on Twitter, Facebook, and LinkedIn. Now the company is seeking to evolve the Group's efforts from social media to social strategy—and start moving both revenue... View Details
Keywords: Competitive Advantage; Social and Collaborative Networks; Web; Publishing Industry; United States
Piskorski, Mikolaj Jan, and David Chen. "Social Strategy at Harvard Business Review." Harvard Business School Case 712-481, April 2012. (Revised March 2013.)
- April 2012 (Revised March 2013)
- Case
Social Strategy at American Express
By: Mikolaj Jan Piskorski and David Chen
American Express has developed a number of strategic partnerships with Facebook, Foursquare and Twitter to improve their card members experience and lower its customer acquisition cost. The case details the history of these partnerships, examines American Express' own... View Details
Piskorski, Mikolaj Jan, and David Chen. "Social Strategy at American Express." Harvard Business School Case 712-447, April 2012. (Revised March 2013.)
- 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.)
- July 2008 (Revised January 2013)
- Teaching Note
eHarmony (TN)
By: Mikolaj Jan Piskorski and Hanna Halaburda
Teaching Note for eHarmony [709424]. View Details
- 2006
- Other Unpublished Work
Structural Closure and Exposure: Market Reactions to Announcements of Acquisitions and Divestitures
By: Mikolaj Jan Piskorski and Nitin Nohria
Piskorski, Mikolaj Jan, and Nitin Nohria. "Structural Closure and Exposure: Market Reactions to Announcements of Acquisitions and Divestitures." September 2006.
- 03 May 2011
- First Look
First Look: May 3
http://hbr.org/2011/05/column-the-hollow-science/ar/1 Effective Managers Say the Same Thing Twice (or More) Authors:Tsedal Neeley and Paul Leonardi Publication:Harvard Business Review 89, no. 5 (May 2011) Abstract How do effective managers get employees to act... View Details
Keywords: Sean Silverthorne
- 2013
- Other Unpublished Work
Social Structure of Norm Enforcement: Evidence from Wikipedia
By: Mikolaj Jan Piskorski and Andreea Daniela Gorbatai
- 09 Jun 2015
- Sharpening Your Skills
Sharpening Your Skills: Social Media
consumers not only discuss and disseminate branded content, they also create it. Why the ALS Ice Bucket Challenge was a Social Media Blockbuster Most companies should envy the financial and brand awareness brought about by the ALS Ice... View Details
- 17 Jul 2012
- First Look
First Look: July 17
identified and classified in terms of specifying, allocating, and utilizing capacity. The first two categories reflect challenges faced by infrastructure providers; the last category, challenges faced by... View Details
Keywords: Sean Silverthorne
- 20 Feb 2008
- First Look
First Look: February 20, 2008
Piskorski Abstract This paper proposes a straightforward way of differentiating between central network positions that confer power and those that confer status. I argue that actors achieve high status by... View Details
Keywords: Martha Lagace
- 08 May 2012
- First Look
First Look: May 8
abstract is unavailable at this time. Book: http://hbr.org/2012/05/six-myths-of-product-development/ar/1 Working PapersLearning by Supplying Authors:Juan Alcácer and Joanne Oxley Abstract Learning processes lie at the heart of our... View Details
Keywords: Carmen Nobel
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