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- All HBS Web
(126)
- News (12)
- Research (112)
- Multimedia (1)
- Faculty Publications (85)
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- 10 Aug 2010
- First Look
First Look: August 10
recipients' actual trustworthiness. This lax approach gives rise to adverse selection: the sites that seek and obtain trust certifications are actually less trustworthy than others. Using an original dataset on web site safety, I demonstrate that sites certified View Details
Keywords: Martha Lagace
- March 2013 (Revised March 2013)
- Teaching Note
Twitter (TN)
By: Mikolaj Jan Piskorski
Piskorski, Mikolaj Jan. "Twitter (TN)." Harvard Business School Teaching Note 713-487, March 2013. (Revised from original February 2013 version.)
- March 2008 (Revised March 2013)
- Teaching Note
MySpace (TN)
By: Mikolaj Jan Piskorski
Teaching Note for 708499. View Details
- January 2005 (Revised February 2006)
- Background Note
Note on Corporate Strategy
By: Mikolaj Jan Piskorski
Introduces students to the study of corporate strategy. Focuses on questions of scope and ownership. Examines both horizontal and vertical integration. Underscores the point that economies of scope, or the existence of relationship-specific investments, are... View Details
Keywords: Investment; Contracts; Ownership; Corporate Strategy; Horizontal Integration; Vertical Integration
Piskorski, Mikolaj Jan. "Note on Corporate Strategy." Harvard Business School Background Note 705-449, January 2005. (Revised February 2006.)
- 2006
- Other Unpublished Work
Positional Limits to Competitive Allocation: Evidence from Corporate Takeovers
By: Mikolaj Jan Piskorski
Piskorski, Mikolaj Jan. "Positional Limits to Competitive Allocation: Evidence from Corporate Takeovers." 2006.
- 13 Sep 2011
- First Look
First Look: September 13
Case of Search Platforms Authors:Hanna Hałaburda and Mikołaj Jan Piskorski Abstract We show that a two-sided platform can successfully compete by limiting the choice of potential matches it offers to its... View Details
Keywords: Sean Silverthorne
- 13 Jul 2010
- First Look
First Look: July 13
Review 88, nos. 7-8 (July-August 2010) An abstract is unavailable at this time. Read the Article: http://hbr.org/2010/07/are-you-ignoring-trends-that-could-shake-up-your-business/ar/1 Vision Statement: Mapping the Social Internet Authors:Mikołaj Jan View Details
Keywords: Martha Lagace
- January 2010 (Revised January 2014)
- Case
By: Mikolaj Jan Piskorski, David Chen, Bill Heil and Aaron Smith
Twitter is a micro-blogging company that allows users to send short text updates to others. The site is used by people, including celebrities, government officials, and businesses. It helps to raise money for non-profit organizations and provides first-responders with... View Details
Keywords: Blogs; Revenue; Information Publishing; Growth and Development Strategy; Social and Collaborative Networks; Web
Piskorski, Mikolaj Jan, David Chen, Bill Heil, and Aaron Smith. "Twitter." Harvard Business School Case 710-455, January 2010. (Revised January 2014.)
- 20 Jul 2010
- First Look
First Look: July 20
Piskorski and David ChenHarvard Business School Case 710-408 Meetup, an online company providing means of arranging face-to-face meetings, is deciding between two options of increasing its revenue by... View Details
Keywords: Martha Lagace
- October 2013 (Revised January 2014)
- Supplement
LinkedIn (C)
By: Mikolaj Jan Piskorski and Aaron Smith
Piskorski, Mikolaj Jan, and Aaron Smith. "LinkedIn (C)." Harvard Business School Supplement 714-414, October 2013. (Revised January 2014.)
- July – August 2010
- Article
Vision Statement: Mapping the Social Internet
By: Mikolaj Jan Piskorski and Tommy McCall
Fresh data on internet user behaviors around the globe show an East-West divide. View Details
Piskorski, Mikolaj Jan, and Tommy McCall. "Vision Statement: Mapping the Social Internet." Harvard Business Review 88, nos. 7-8 (July–August 2010).
- March 2013
- Module Note
Competing with Social Networks: Social Platforms
By: Mikolaj Jan Piskorski
Piskorski, Mikolaj Jan. "Competing with Social Networks: Social Platforms." Harvard Business School Module Note 713-498, March 2013.
- March 2013
- Module Note
Competing with Social Networks: Social Platforms
By: Mikolaj Jan Piskorski
Piskorski, Mikolaj Jan. "Competing with Social Networks: Social Platforms." Harvard Business School Module Note 713-495, March 2013.
- January 2008 (Revised March 2013)
- Teaching Note
Friendster (TN) (A) and (B)
By: Mikolaj Jan Piskorski
Teaching Note for [707409] and [707410]. View Details
- October 2007
- Teaching Note
Procter & Gamble: Organization 2005 (A) & (B) (TN)
By: Mikolaj Jan Piskorski
Teaching Note to 707519 and 707402. View Details