Publications

May 2013
Case

Yammer (A)

By: Mikolaj J. Piskorski, Kerry Herman and Aaron Smith

In Spring 2012, Yammer was on track to become a highly successful standalone company. Yammer was a leading Enterprise Social Network (ESN), providing companies a private social network in which employees could collaborate securely and efficiently. However, later that... View Details

Keywords: Information Infrastructure; Opportunities; Applications and Software; Organizational Culture; Problems and Challenges; Management Teams; Integration; Decision Choices and Conditions; Social and Collaborative Networks; Acquisition; Information Technology Industry

Article

DEA Model with Shared Resources and Efficiency Decomposition

By: Yao Chen, Juan Du, H. David Sherman and Joe Zhu

Data envelopment analysis (DEA) has proved to be an excellent approach for measuring performance of decision making units (DMUs) that use multiple inputs to generate multiple outputs. In many real world scenarios, DMUs have a two-stage network process with shared input... View Details

Keywords: Data Envelopment Analysis (DEA); Efficiency; Intermediate Measure; Performance Efficiency

Teaching Interest

Supply Chain Management

By: Kris Johnson Ferreira

The Supply Chain Management (SCM) course builds on aspects of the first-year Technology and Operations Management (RC TOM) course. However, whereas RC TOM focuses primarily on developing and producing products and services, SCM emphasizes managing... View Details

Jeremy Yang

Jeremy Yang is an Assistant Professor of Business Administration in the Marketing Unit at Harvard Business School. He teaches Marketing in the MBA required curriculum. He develops data products for... View Details

Keywords: advertising; media; entertainment; information; consumer products

February 2000 (Revised November 2000)
Case

Women.com

By: Myra M. Hart and Sarah S. Khetani

Entrepreneurs Ellen Pack and Marleen McDaniel have founded a women's online network and watched it grow from an online subscription service in 1992 to one of the best known, widely visited women's networks on the web in 1999. While the company's vision has remained... View Details

Keywords: Business Model; Entrepreneurship; Internet and the Web; Partners and Partnerships; Initial Public Offering; Networks; Transition; Web Services Industry

Find at Harvard

General Partner, Flybridge Capital Partners

Former entrepreneur turned VC, HBS Senior Lecturer, author of three, dad of three, husband of one, civic leader, and fan of all Boston sports.

Jeffrey J. Bussgang is a Senior... View Details

02 Jan 2007
Research & Ideas

Most Popular Articles of 2006

anything having to do with globalization. But in 2006, some new areas of HBS faculty research began to emerge that also struck a chord with readers. These included the business of open source, how network effects impact everything from... View Details

Keywords: by Sean Silverthorne

April 2018
Case

Cisco Systems and OpenDNS: Strategic Integration

By: Andy Wu, George Gonzalez and David Wang

With more than 72,000 employees and revenues approaching the $50B mark, Cisco Systems is one of the largest information technology and networking firms globally. As the company grew and expanded into different lines of businesses, Cisco consistently looked outwards for... View Details

Keywords: Mergers and Acquisitions; Integration; Corporate Strategy; Change Management; Entrepreneurship; Organizational Culture; Information Technology Industry

June 2016 (Revised January 2018)
Case

Airbnb, Etsy, Uber: Growing from One Thousand to One Million Customers

By: Thales S. Teixeira and Morgan Brown

By 2016, two-sided online platforms (or marketplaces) were pervasive among the highest growing internet startups around. These marketplaces sought to match suppliers of assets for rent, physical products or services with customers demanding them. Among the most notable... View Details

Keywords: Airbnb; Etsy; Uber; Growth Hacking; Two Sided Markets; Digital Platforms; Marketing; Digital Marketing; Growth Management; Service Industry

TeachingInterests

Immersive Field Course: China and Taiwan

By: Willy C. Shih

I designed this course to enable students to examine cross-strait issues between the Peoples Republic of China and the Republic of China—(Taiwan) at a critical juncture. Many products produced for the global marketplace—televisions, computers and computer components,... View Details

2008
Working Paper

Opening Platforms: How, When and Why?

By: Thomas R. Eisenmann, Geoffrey Parker and Marshall Van Alstyne

Platform-mediated networks encompass several distinct types of participants, including end users, complementors, platform providers who facilitate users' access to complements, and sponsors who develop platform technologies. Each of these roles can be opened-that... View Details

Keywords: Decision Choices and Conditions; Governance Controls; Market Participation; Digital Platforms

Read Now

15 Jan 2008
First Look

First Look: January 15, 2008

results are stronger in environments with less public information flow, suggesting that the shorting market is an important mechanism for private information revelation. Lobbies and Technology Diffusion Authors:Diego Comin and Bart Hobijn... View Details

Keywords: Martha Lagace

July 2009 (Revised March 2010)
Case

Sotheby's & Christie's Inc.

By: Ramon Casadesus-Masanell and Catherine Jane Wise

The fine art auction business has remained a duopoly over its 250 year history. The industry is dominated by Sotheby's and Christie's Inc. Curiously, neither competitor has been able to overtake the other by a notable margin despite the clear network effects of this... View Details

Keywords: Arts; Business Model; Restructuring; Economics; Auctions; Market Entry and Exit; Duopoly and Oligopoly; Operations; Competition