Publications

Article

The Market Design and Policy of Online Review Platforms

By: Benjamin Edelman

I present the institutions and incentives of online reviews, including attracting initial reviews, assuring truthful reviews of genuine experiences, and avoiding inflated or deceptive reviews. I also explore the competition and consumer protection concerns associated... View Details

Keywords: Reviews; Reputation; Platforms; Marketplaces; Deception; Market Design; Multi-Sided Platforms; Law; Online Technology; Information Technology Industry; Telecommunications Industry; Accommodations Industry; Retail Industry

Article

Emodiversity and the Emotional Ecosystem

By: Jordi Quoidbach, June Gruber, Moira Mikolajczak, Alexsandr Kogan, Ilios Kotsou and Michael I. Norton

Bridging psychological research exploring emotional complexity and research in the natural sciences on the measurement of biodiversity, we introduce—and demonstrate the benefits of—emodiversity: the variety and relative abundance of the emotions that humans experience.... View Details

Keywords: Health; Diversity; Emotions

January 2020
Case

Ninja: Which Platform Wins Esports' Biggest Star?

By: Anita Elberse and Michal T. Leszczynski

It is July 2019, and the business of esports and gaming is booming. Tyler Blevins—better known as Ninja—has risen to stardom playing the immensely popular shooter game Fortnite. He has become the most followed streamer in the world and, helped by his management company... View Details

Keywords: Esports; Platforms; Superstar; Games, Gaming, and Gambling; Internet and the Web; Personal Development and Career; Decision Making; Digital Platforms; Video Game Industry; Technology Industry

March 2015 (Revised April 2015)
Case

The Heat Is On: Emerging Ecosystems in the Thermostat Industry

By: David Collis and Ashley Hartman

Beth Wozniak, President of Honeywell Environmental and Combustion Controls (ECC) at Honeywell International Inc., spun around in her office chair, reflecting about how the classic, mature thermostat industry was rapidly evolving. In February 2014, Google paid $3.2... View Details

2024
Working Paper

Digital Platforms 2.0: Learnings, Opportunities, and Challenges

By: Shrabastee Banerjee, Ishita Chakraborty, Hana Choi, Hannes Datta, Remi Daviet, Chiara Farronato, Minkyung Kim, Anja Lambrecht, Puneet Manchanda, Aniko Oery, Ananya Sen, Marshall W Van Alstyne, Prasad Vana, Kenneth C Wilbur, Xu Zhang and Bobby Zhou

Platform-based digital ecosystems form the backbone of our interactions with the Internet. Over the past decade, digital ecosystems have witnessed significant growth, both in terms of industry footprint and academic research. Yet, the challenges associated with their... View Details

Keywords: Digital Platforms; Technology Adoption; E-commerce; Market Design

SSRN

Due to network effects and switching costs in platform markets, entrants generally must offer revolutionary functionality. Platform envelopment offers a second entry path: one that does not rely upon Schumpeterian innovation. Examples of successful envelopment... View Details

May 29, 2019
Article

A Study of More Than 250 Platforms Reveals Why Most Fail

By: David B. Yoffie, Annabelle Gawer and Michael A. Cusumano

This piece explores why digital platforms fail. We collected data on 250 failures over the last 20 years, analyzed the most common causes for a platform to disappear or morph into an alternative business. View Details

Keywords: Platform; Digital Platforms; Strategy; Failure; Analysis

Register to Read

September 2017 (Revised July 2023)
Case

Adaptive Platform Trials: The Clinical Trial of the Future?

By: Ariel D. Stern and Sarah Mehta

In July 2017, Dr. Brian M. Alexander, president and CEO of the AGILE Research Foundation, was preparing to launch a new type of clinical trial—an adaptive platform trial—to study potential therapies for glioblastoma (GBM), an aggressive form of brain cancer.... View Details

Keywords: Clinical Trials; Cancer; Adaptive Platform Trials; Platform Trials; Adaptive Trials; Glioblastoma; Health; Health Care and Treatment; Health Testing and Trials; Business Strategy; Innovation Strategy; Health Industry; United States

May 2014
Article

Information and Two-Sided Platform Profits

By: Andrei Hagiu and Hanna Halaburda

We study the effect of different levels of information on two-sided platform profits under monopoly and competition. One side (developers) is always informed about all prices and therefore forms responsive expectations. In contrast, we allow the other side (users) to... View Details

Keywords: Responsive Expectations; Passive Expectations; Wary Expectations; Information; Performance Expectations; Two-Sided Platforms; Monopoly

SSRN

03 Jun 2010
Working Paper Summaries

Platforms and Limits to Network Effects

Keywords: by Hanna Halaburda & Mikolaj Jan Piskorski

26 Mar 2019
Working Paper Summaries

Managed Ecosystems and Translucent Institutional Logics: Engaging Communities

Keywords: by Elizabeth J. Altman, Frank Nagle, and Michael Tushman

April 2021
Article

Homing and Platform Responses to Entry: Historical Evidence from the U.S. Newspaper Industry

By: K. Francis Park, Robert Seamans and Feng Zhu

We examine how heterogeneity in customers’ tendencies to single-home or multi-home affects a platform’s competitive responses to new entrants in the market. We first develop a formal model to generate predictions about how a platform will respond. We then empirically... View Details

Keywords: Single-homing; Multi-homing; Platform Responses; Newpaper; Television; Digital Platforms; Market Entry and Exit; Newspapers; Television Entertainment; History; Journalism and News Industry; Journalism and News Industry

Article

Managing Proprietary and Shared Platforms

By: Thomas R. Eisenmann

In a platform-mediated network, users rely on a common platform, provided by one or more intermediaries, that encompasses infrastructure and rules required by users to transact with each other. A fundamental design decision for firms that aspire to develop... View Details

Keywords: Governance Controls; Digital Platforms; Infrastructure; Competition; Cooperation; Information Infrastructure

December 2011
Article

Platform Envelopment

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

Due to network effects and switching costs in platform markets, entrants generally must offer revolutionary functionality. We explore a second entry path that does not rely upon Schumpeterian innovation: platform envelopment. Through envelopment, a provider in one... View Details

Keywords: Digital Platforms; Business and Stakeholder Relations; Economic Systems; Development Economics; Business or Company Management; Business Strategy; Network Effects; Information Technology Industry; Technology Industry

March 2012
Article

Enriching the Ecosystem

By: Rosabeth Moss Kanter

To remain a leader in innovation, the United States needs the support of foundational institutions that help seed, grow, and renew enterprises. Historically, these institutions-such as universities, venture creators, labor markets, and job-training programs-have tended... View Details

Keywords: Innovation and Invention; Organizations; Research and Development; Social and Collaborative Networks; Growth and Development Strategy; United States

2011 - 2011
Keynote Speech

Business Ecosystems and Open and User Innovation

By: Carliss Y. Baldwin

Keywords: Business Ventures; Innovation and Invention

2007
Working Paper

Platform Envelopment

By: Thomas Eisenmann, Geoffrey Parker and Marshall Van Alstyne

Due to network effects and switching costs in platform markets, entrants generally must offer revolutionary functionality. We explore a second entry path that does not rely upon Schumpeterian innovation: platform envelopment. Through envelopment, a provider in one... View Details

Keywords: Digital Platforms; Market Entry and Exit; Network Effects