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Publications
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- Summer 2014
- Article
When Does a Platform Create Value by Limiting Choice?
By: Ramon Casadesus-Masanell and Hanna Halaburda
We present a theory for why it might be rational for a platform to limit the number of applications available on it. Our model is based on the observation that even if users prefer application variety, applications often also exhibit direct network effects. When there... View Details
Keywords: Platform Governance; Direct Network Effects; Indirect Network Effects; Complements; Tragedy Of The Commons; Equilibrium Selection; Coordination; Foresight; Strategy; Value Creation; Digital Platforms; Balance and Stability; Decision Choices and Conditions; Consumer Behavior; Applications and Software; Network Effects
- April 2014
- Article
The Limits of Scale: Companies That Get Big Fast Are Often Left Behind. Here's Why.
By: Hanna Halaburda and Felix Oberholzer-Gee
The value of many products and services rises or falls with the number of customers using them; the fewer fax machines in use, the less important it is to have one. These network effects influence consumer decisions and affect companies' ability to compete. Strategists... View Details
- February 2011 (Revised March 2012)
- Course Overview Note
Competing through Business Models: Introductory Note for Students (Half-Course Version)
By: Hanna Halaburda and Ramon Casadesus-Masanell
- October 2007 (Revised January 2009)
- Background Note
Analyzing Relative Costs
By: Hanna Halaburda and Jan W. Rivkin
Introduces students to the technique of relative cost analysis, a core technique of strategists. Among the intricate quantitative analyses that strategists undertake, relative cost analysis may be the most common. The goal of a relative cost analysis is simply to... View Details
- October 2003 (Revised January 2004)
- Exercise
Electric Maze Exercise, The
By: Amy C. Edmondson and Hanna Rodriguez-Farrar
This team-based exercise uses an educational tool called "The Electric Maze," developed by Interel Corp., to teach insights about the social and psychological challenges facing employees who must engage in collaborative learning. The tool is a grid-patterned rug with... View Details
- September 2001 (Revised October 2002)
- Case
Virgin Group, The: Filling in the Value Gap
By: Frances X. Frei, Hanna Rodriguez-Farrar and Corey B. Hajim
Chronicles the successes and failures of the Virgin Group. By examining these examples, students discover attributes of Virgin's overall service concept, which, at its core, competes on quality rather than on price. Students are challenged to consider how Virgin might... View Details
- August 2001 (Revised September 2005)
- Case
eBay (A): The Customer Marketplace
By: Frances X. Frei and Hanna Rodriguez-Farrar
eBay, the popular Internet-based consumer-to-consumer marketplace, has recently become attractive to corporate customers. According to a vocal subset of eBay customers, the company has lost its way and is set to forsake its traditional business. Told from the... View Details
- November 2000 (Revised May 2002)
- Case
Oracle Corporation
By: Frances X. Frei and Hanna Rodriguez-Farrar
Oracle Corp., the world's second-largest independent software company (behind Microsoft) was the world's dominant supplier of database software. Oracle also sold application software, such as the popular enterprise resource planning and customer relationship management... View Details
- Teaching Interest
aMaze app
The aMaze app is designed to enable automated facilitation of the "Management Maze" or "Electric Maze" exercise by Amy Edmondson and Hanna Rodriguez-Farrar (see View Details
- Teaching Interest
Overview
Professor Bernstein currently teaches a second-year MBA course in Managing Human Capital (MHC). He is also the faculty chair for the Harvard Business School Online Developing Yourself as a Leader course and teaches in a variety of executive education... View Details
Keywords: Leadership; Leadership Development; Leadership Style; Innovation Leadership; Management Practices and Processes; Management Succession; Management Style; Management Systems; Management Teams; Managerial Roles; Organizations; Organizational Culture; Organizational Design; Organizational Structure; Mission and Purpose; Organizational Change and Adaptation; Performance; Information Technology; Strategy; Human Resources; Compensation and Benefits; Employees; Recruitment; Resignation and Termination; Retention; Selection and Staffing