Publications

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Research Summary

Social media and user-generated content

In this project, Professor Piskorski, jointly with Andreea Gorbatai, examines inherent trade-offs in provision of user-generated content, using Wikipedia as a research setting. In Wikipedia, every user has the right to add material to an article, but with no... View Details

May–June 2021
Article

Capturing Value in Platform Business Models that Rely on User-Generated Content

By: Hemang Subramanian, Sabyasachi Mitra and Sam Ransbotham

Business models increasingly depend on inputs from outside traditional organizational boundaries. For example, platforms that generate revenue from advertising, subscription, or referral fees often rely on user-generated content (UGC). But there is considerable... View Details

Keywords: Business Model; Network Effects; Mergers and Acquisitions; Valuation; Risk and Uncertainty

October 2013
Article

Ad Revenue and Content Commercialization: Evidence from Blogs

By: Monic Sun and Feng Zhu

Many scholars argue that when incentivized by ad revenue, content providers are more likely to tailor their content to attract "eyeballs," and as a result, popular content may be excessively supplied. We empirically test this prediction by taking advantage of the... View Details

Keywords: Ad-sponsored Business Models; Media Content; Blog; Revenue Sharing; User-generated Content; Platform-based Markets; Blogs; Business Model; Digital Platforms; Commercialization; Digital Marketing

Article

Crowdsourcing City Government: Using Tournaments to Improve Inspection Accuracy

By: Edward Glaeser, Andrew Hillis, Scott Duke Kominers and Michael Luca

The proliferation of big data makes it possible to better target city services like hygiene inspections, but city governments rarely have the in-house talent needed for developing prediction algorithms. Cities could hire consultants, but a cheaper alternative is to... View Details

Keywords: User-generated Content; Operations; Tournaments; Policy-making; Machine Learning; Online Platforms; Analytics and Data Science; Mathematical Methods; City; Infrastructure; Business Processes; Government and Politics

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November 2021
Article

Ratings, Reviews, and the Marketing of New Products

By: Itay P. Fainmesser, Dominique Olié Lauga and Elie Ofek

We study how user-generated content (UGC) about new products impacts a firm's advertising and pricing decisions and the effect on profits and market dynamics. We construct a two-period model where consumers value quality and are heterogeneous in their taste for the new... View Details

Keywords: Online Reviews; Product Ratings; Social Networks; Word Of Mouth; Pricing; User-generated Content; Advertising; Product Marketing; Price; Consumer Behavior; Product Positioning; Social Media

31 Mar 2014
Research & Ideas

Encouraging Niche Content in an Ad-Driven World

As the quantity of online content continues to proliferate—from cute cat videos to policy experts blogging on the Middle East—the consumer's expectation that online content should be free becomes more... View Details

Keywords: by Julia Hanna; Information; Publishing; Journalism & News

May 2009 (Revised July 2011)
Case

Daqi

By: Robert C. Pozen, Richard Franklyn Armbrust and Ziquan Zhang

In 2008, Daqi was one of the largest Internet portals for user-generated content and the leading word-of-mouth marketing provider in China. Grace Zhou, Daqi's CEO, was contemplating the risks and benefits of expanding Daqi's services into three new content areas—news,... View Details

Keywords: Information Publishing; Growth and Development Strategy; Risk Management; Marketing; Business and Government Relations; Expansion; Internet; Information Industry; China

Educators

December 2009 (Revised December 2012)
Case

Sony and the JK Wedding Dance

By: John Deighton and Leora Kornfeld

Executives at Sony Music Entertainment faced a dilemma: a user-generated video featuring controversial artist Chris Brown's music was netting millions of views per week on YouTube. Sony held the copyright to the song, and was entitled to issue a takedown notice to the... View Details

Keywords: Music Entertainment; Copyright; Marketing Strategy; Consumer Behavior; Network Effects; Social and Collaborative Networks; Internet; Music Industry

Educators

January 2014 (Revised February 2015)
Case

YouTube for Brands

By: Thales Teixeira and Leora Kornfeld

This case examines the changes employed by YouTube to make the massively popular site more attractive to brands. Building from its base of amateur, user-generated content, YouTube had turned to experimenting with professionally-made content and organizing its videos... View Details

Keywords: Marketing; Internet and the Web; Decision Choices and Conditions; Digital Marketing; Brands and Branding; Advertising Industry; Motion Pictures and Video Industry; Entertainment and Recreation Industry

Educators

July 2025
Article

Reputation Burning: Analyzing the Impact of Brand Sponsorship on Social Influencers

By: Mengjie Cheng and Shunyuan Zhang

The growth of the influencer marketing industry warrants an empirical examination of the effect of posting sponsored videos on influencers' reputations. We collected a novel dataset of user-generated YouTube videos created by prominent English-speaking influencers in... View Details

Keywords: Reputation; Mathematical Methods; Marketing Reference Programs; Social Media; Brands and Branding

2007
Working Paper

Digital Interactivity: Unanticipated Consequences for Markets, Marketing, and Consumers

By: John A. Deighton and Leora Kornfeld

The digital interactive transformation in marketing is not unfolding, as many thought it would, on the model of direct marketing. That model anticipated that digital media using rich profiling data would intrude marketing messaging more deeply and more precisely into... View Details

Keywords: Communication Intention and Meaning; Interactive Communication; Marketing Communications; Consumer Behavior; Social and Collaborative Networks; Internet and the Web