Publications

March 2019
Case

Wattpad

By: John Deighton and Leora Kornfeld

How to run a platform to match four million writers of stories to 75 million readers? Use data science. Make money by doing deals with television and filmmakers and book publishers. The case describes the challenges of matching readers to stories and of helping writers... View Details

Winter 2013
Article

The New Patent Intermediaries: Platforms, Defensive Aggregators and Super-Aggregators

By: Andrei Hagiu and David B. Yoffie

The patent market consists mainly of privately negotiated, bilateral transactions, either sales or cross-licenses, between large companies. There is no eBay, Amazon, New York Stock Exchange, or Kelley's Blue Book equivalent for patents, and when buyers and sellers do... View Details

Keywords: Intellectual Property; Platforms; Intermediaries; Aggregator; Patents; Digital Platforms; Marketplace Matching; Distribution Channels

Find at Harvard

December 2010
Supplement

Ad Classification at Right Media — slide supplement

By: Benjamin Edelman

Right Media considers systems and policies to make sure that ads are only shown on web sites where they are appropriate, and vice versa. Setting standards is particularly challenging given the large and growing marketplace, the numerous participants, their diverse... View Details

Keywords: Media; Digital Marketing; Market Participation; Negotiation Tactics; Marketing Communications; Communication; Advertising Industry; Media and Broadcasting Industry

July 28, 2022
Article

DAO Governance Attacks, and How to Avoid Them

By: Pranav Garimidi, Scott Duke Kominers and Tim Roughgarden

Many web3 projects embrace permissionless voting using a fungible and tradable native token. Permissionless voting can offer many benefits, from lowering barriers to entry to increasing competition. Token holders can use their tokens to vote on a range of issues—from... View Details

Keywords: Crypto Economy; Cryptocurrency; Governance; Voting; Decentralized Autonomous Organizations; Organizational Structure; Digital Platforms

May 2017 (Revised May 2019)
Supplement

Intuit: QuickBooks (B)

By: David Yoffie and Nicole Tempest Keller

This short case updates the earlier Intuit case on transitioning from a product company into a platform company. In addition to providing information on the recent successes and challenges of the business, it also explores a new challenge of building a platform with a... View Details

Keywords: Platform; Strategic Transition; Strategy; Digital Platforms; Transition

2012
Article

Antitrust Scrutiny of Google

By: Benjamin Edelman

I evaluate antitrust claims against Google and propose possible remedies. While Google's specific tactics are often novel, I show connections to practices deemed unlawful over a period of decades, and I identify remedies well grounded in antitrust precedent. View Details

Keywords: Competition; Antitrust; Google; Search; Non-price Terms; Digital Marketing; Lawsuits and Litigation; Advertising Industry; Information Technology Industry

Mar 17 2016
Testimonial

Dwyane Wade Goes One-on-One with Professor Elberse

Mar 04 2016
Testimonial

Finding a New Approach to Success

25 Mar 2018
News

Modernizing Infrastructure Management

make it better. “So when I left HBS, I set out on the path to find a business to acquire. I was very fortunate that I found the company I did. gWorks got its start helping counties digitize all their county records into an interactive map... View Details

Fast Answer

FIELD Global Immersion Resources: Brazil

Use the tools on the right side of the results screen to refine your search Statista Digital Market Outlook: Brazil-specific statistics on ecommerce, View Details

2025
Working Paper

Algorithmic Assortment Curation: An Empirical Study of Buybox in Online Marketplaces

By: Santiago Gallino, Nil Karacaoglu and Antonio Moreno

Most online sales worldwide take place in marketplaces that connect sellers and buyers. The presence of numerous third-party sellers leads to a proliferation of listings for each product, making it difficult for customers to choose between the available options. Online... View Details

Keywords: Algorithms; E-commerce; Sales; Digital Marketing; Internet and the Web; Customer Satisfaction

SSRN

March 2020 (Revised June 2023)
Case

Scaling Nextdoor

By: Jeffrey F. Rayport, Thomas O. Jones and Jeff Huizinga

Nextdoor, striving to solidify its position as the leading global social media platform for neighborhoods, works to scale audience, geography, and revenue. View Details

Keywords: Platforms; Information Technology; Entrepreneurship; Growth and Development Strategy; Social Media; Digital Platforms

January 2018
Case

Viacom: Democratization of Data Science

By: Shane Greenstein and Christine Snively

In two short years, Viacom’s Data Science & Advanced Analytics team built a web platform called Science Central that allowed employees from Viacom’s 20+ cable networks to access television audience insights through three data science apps. In the past, employees would... View Details

Keywords: Data Science; Big Data; Digital Platforms; Analytics and Data Science; Expansion; Strategic Planning

September 2014 (Revised June 2016)
Case

edX: Strategies for Higher Education

By: David Collis, Matthew Shaffer and Ashley Hartman

In May 2012, Harvard University and the Massachusetts Institute of Technology (MIT) founded edX, a new non-profit joint venture that would provide a platform for massive open online courses (MOOCs). edX did not produce original courses or instructional content—it made... View Details

Keywords: MOOCS; edX; Online Platforms; Online Education; Harvard University; MIT; Execution; Monetization; Brand Management; Higher Education; Information Technology; Strategy; Disruptive Innovation; Digital Platforms; Education Industry

January 2014
Teaching Note

Dumb Ways To Die: Advertising Train Safety (A), (B) & (C)

By: John Quelch

Keywords: Advertising Media; Viral Advertising; Viral Marketing; Public Safety; Advertising; Marketing; Marketing Strategy; Internet and the Web; Digital Marketing; Media and Broadcasting Industry; Public Administration Industry; Oceania; Europe