Publications

Educators

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

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Article

Beyond Magic Bullets: True Innovation in Health Care

By: Vaibhav A. Narayan, Marco Mohwinckel, Gary Pisano, Michael Yang and Husseini Manji

The molecular medicine revolution—based on advances in fields such as genomics and network modeling in the decade since the human genome sequence was completed—has changed the way we think about, study, and approach the development of novel therapies. However, these... View Details

Keywords: Integration; Business Model; Organizational Structure; Health Care and Treatment; Innovation and Invention; Pharmaceutical Industry

2024
Working Paper

You've Got Mail! The Late 19th Century U.S. Postal Service Expansion, Entrepreneurship, and Firm Performance

By: Astrid Marinoni and Maria P. Roche

This paper examines the impact of the expansion of the US Postal Service in the late 19th century on firm creation and performance. Utilizing newly digitized archival data on historic business establishments, post office locations, and road networks in California,... View Details

Keywords: Institutional Innovation; Knowledge Exchange; US Postal Service; Firm Performance; Infrastructure; Expansion; Government Administration; Communication; Business History; Entrepreneurship; Public Administration Industry; California

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Clubs

Entrepreneurship Club

Keywords: Technology; Technology

Felix Oberholzer-Gee

Felix Oberholzer-Gee is the Andreas Andresen Professor of Business Administration at Harvard Business School. An award-winning instructor, his academic work and consulting are focused on competitive strategy and the effects of digital technology on corporate... View Details

Keywords: media; professional services; manufacturing; advertising

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

17 Jan 2020
News

Review: Competing in the Digital Age

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

April 2008
Case

The Energy Foundation

By: Jane Wei-Skillern and Alison Berkley Wagonfeld

The Energy Foundation, a philanthropic foundation established through a partnership among major donors with a mission to promote clean energy technology, is the largest funder in the U.S. focusing on the energy sector. The $60 million foundation operates through a... View Details

Keywords: Entrepreneurship; Investment Funds; Philanthropy and Charitable Giving; Corporate Social Responsibility and Impact; Networks; Expansion; Green Technology Industry; Green Technology Industry; United States

2009
Chapter

Creating Superior Customer Value in a Connected World

By: Ranjay Gulati

"In the early twenty-first century, customers are more demanding than ever, and difficult economic times make them all the more so. As customers tighten their wallets and increase their demands, firms face greater pressure to provide superior customer value. Reducing... View Details

Keywords: Customer Satisfaction; Customer Value and Value Chain; Consumer Behavior; Product Design; Social and Collaborative Networks; Value Creation

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

May 2011 (Revised March 2012)
Supplement

Global Knowledge Management at Danone (C)

By: Amy C. Edmondson, Ruth Dittrich and Daniela Beyersdorfer

The (C) case provides an update on the B-case decision and describes the introduction of Dan 2.0, an internal social virtual network for the purpose of knowledge sharing in a company that was only used to face-to-face networking. View Details

Keywords: Innovation and Management; Knowledge Sharing; Information Infrastructure; Opportunities; Problems and Challenges; Networks; Employees; Motivation and Incentives; Knowledge Management; Management Practices and Processes

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

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

February 2022
Teaching Note

AptDeco: Circular Economy Furniture Marketplace

By: Ayelet Israeli

Teaching Note for HBS Case No. 521-069. AptDeco, a used furniture marketplace, was growing rapidly in the tri-state area. The co-founders were confident that the business model, financial position, and unit economics positioned AptDeco for scaling in the massive $120... View Details

Keywords: E-Commerce Strategy; Mobile; Word-of-Mouth; Word Of Mouth; Word-of-mouth Marketing; Internet Marketing; Growth Strategy; Platform; Platforms; Two Sided Markets; Two-sided Market; Two-sided Marketplace; Two-Sided Markets; Two-sided Network; Black Entrepreneurs; Black Leadership; African Americans; African-American Protagonist; Circular; Peer-to-peer Markets; Furniture Industry; Growth Hacking; Monetization Strategy; Growth Management; Marketing Strategy; Entrepreneurship; Digital Platforms; Marketing Channels; Digital Marketing; Consumer Behavior; Acquisition; Retention; Growth and Development Strategy; Customer Focus and Relationships; Expansion; Brands and Branding; E-commerce; Retail Industry; Consumer Products Industry; Technology Industry; Web Services Industry; United States; North America; New York (city, NY); New York (state, US)

October 2021 (Revised January 2022)
Case

Chia Network: Reimagining Programmable Money

By: William A. Sahlman and George Gonzalez

Chia Network developed a novel blockchain platform that was more eco-friendly, decentralized, and scalable than Bitcoin, Ethereum, and other blockchains. Now, company leadership must decide how to scale the startup and prioritize various partnerships, use cases, and... View Details

Keywords: Blockchain; Entrepreneurship; Business Startups; Growth and Development Strategy; Technology Industry; Technology Industry; United States

Educators

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

Educators

October 2008
Article

The Small World of Investing: Board Connections and Mutual Fund Returns

By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy

This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details

Keywords: Financial Markets; Information Management; Social and Collaborative Networks; Announcements; Investment Portfolio; Investment Return; Investment Funds; Asset Pricing; Governing and Advisory Boards