Digital Discrimination: The Case of Airbnb.com

Benjamin  Edelman; Michael  Luca

Working Paper | HBS Working Paper Series | 2014

Digital Discrimination: The Case of Airbnb.com

by Benjamin Edelman and Michael Luca

Abstract

Online marketplaces often contain information not only about products, but also about the people selling the products. In an effort to facilitate trust, many platforms encourage sellers to provide personal profiles and even to post pictures of themselves. However, these features may also facilitate discrimination based on sellers' race, gender, age, or other aspects of appearance. In this paper, we test for racial discrimination against landlords in the online rental marketplace Airbnb.com. Using a new data set combining pictures of all New York City landlords on Airbnb with their rental prices and information about quality of the rentals, we show that non-black hosts charge approximately 12% more than black hosts for the equivalent rental. These effects are robust when controlling for all information visible in the Airbnb marketplace. These findings highlight the prevalence of discrimination in online marketplaces, suggesting an important unintended consequence of a seemingly-routine mechanism for building trust.

Keywords: Prejudice and Bias; Online Technology; Race; Trust; Renting or Rental; Accommodations Industry; Real Estate Industry;

Language: English

Format: Print

21 pages

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Citation:

Edelman, Benjamin, and Michael Luca. "Digital Discrimination: The Case of Airbnb.com." Harvard Business School Working Paper, No. 14-054, January 2014.

There have been dozens of high-profile mass shootings in recent decades. This paper presents three main findings about the impact of mass shootings on gun policy. First, mass shootings evoke large policy responses. A single mass shooting leads to a 15% increase in the number of firearm bills introduced within a state in the year after a mass shooting. This effect increases with the extent of media coverage. Second, mass shootings account for a small portion of all gun deaths but have an outsized influence relative to other homicides. Third, when looking at bills that were actually enacted into law, the impact of mass shootings depends on the party in power. The annual number of laws that loosen gun restrictions doubles in the year following a mass shooting in states with Republican-controlled legislatures. We find no significant effect of mass shootings on laws enacted when there is a Democrat-controlled legislature, nor do we find a significant effect of mass shootings on the enactment of laws that tighten gun restrictions.

Online reviews are transforming the way consumers choose products and services of all sorts. We turn to TripAdvisor to plan a vacation, Zocdoc to find a doctor, and Yelp to choose a new restaurant. Reviews can create value for buyers and sellers alike, but only if they attain a critical level of quantity and quality. The authors describe principles for setting the incentives, design choices, and rules that help review platforms thrive.
To address a shortage of reviews, companies can seed them by hiring reviewers or drawing reviews from other platforms, offering incentives, or pooling products. To address selection bias, they can require reviews, allow private comments, and design prompts carefully. To combat fraudulent and strategic reviews, they can set rules for reviewers and call in moderators—whether employees, the community, or algorithms.

Online marketplaces have transformed how we shop, travel, and interact with the world. Yet, their unique innovations also present a panoply of challenges for communities and states. Surprisingly, federal laws are chief among those challenges despite the fact that online marketplaces facilitate transactions traditionally regulated at the local level. In this article, we survey the federal laws that frame the situation, especially §230 of the Communications Decency Act (CDA), a 1996 law largely meant to protect online platforms from defamation lawsuits. The CDA has been stretched beyond recognition to prevent all manner of prudent regulation. We offer specific suggestions to correct this misinterpretation to assure that state and local governments can appropriately respond to the digital activities that impact physical realities.

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Digital Discrimination: The Case of Airbnb.com

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