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• Case | HBS Case Collection | December 2018

  Creating the French Behavioral Insights Team

  Michael Luca, Ariella Kristal and Emilie Billaud

  This case explores how neuroscientist Mariam Chammat helped set up the first behavioral insights team at the center of the French government, and encouraged French administrations to innovate and create policy initiatives based on psychological theories of influence and persuasion. Students are asked to assess 35 projects ripe for behavioral intervention and pick the winning proposals.

  Keywords: choice architecture; Behavioral economics; experiments; Negotiation; Decision Making; Economics; Taxation; Entrepreneurship; Consumer Behavior; Public Administration Industry; Europe; France; Paris;

  Citation:

  Luca, Michael, Ariella Kristal, and Emilie Billaud. "Creating the French Behavioral Insights Team." Harvard Business School Case 919-015, December 2018.  View Details

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• Working Paper | HBS Working Paper Series | 2018

  Product Quality and Entering Through Tying: Experimental Evidence

  Hyunjin Kim and Michael Luca

  Dominant platform businesses often develop products in adjacent markets to complement their core business. One common approach used to gain traction in these adjacent markets has been to pursue a tying strategy. For example, Microsoft pre-installed Internet Explorer into Windows, and Apple set Apple Maps as the iOS default. Policymakers have raised concerns that dominant platforms may be leveraging their market power to gain traction for lower quality products when they use a tying strategy. In this paper, we empirically explore this question by examining Google’s decision to tie its new reviews product to its search engine. We experimentally vary the reviews displayed above Google’s organic search results to show either exclusively Google reviews (Google’s current tying strategy) or reviews from multiple platforms determined to be the best-performing by Google’s own organic search algorithm. We find that users prefer the version that does not exclude competitor reviews. Furthermore, looking at observational data on user traffic to Yelp from search engines, we find that Google’s exclusion of downstream competitors may have been effective. The share of Yelp’s traffic coming from Google has declined over this period, relative to traffic from Bing and Yahoo (which do not exclude other companies’ reviews), and Google reviews has grown quicker than Yelp and TripAdvisor during the period in which they excluded these (and other) reviews providers. Overall, these results shed light on platform strategy: tying has the potential to facilitate entry in complementary markets, even when the tied product is of worse quality than competitors.

  Keywords: Market Entry and Exit; Market Platforms; Competitive Strategy; Product Marketing; Quality;

  Citation:

  Kim, Hyunjin, and Michael Luca. "Product Quality and Entering Through Tying: Experimental Evidence." Harvard Business School Working Paper, No. 19-045, October 2018. (Revised December 2018. Forthcoming in Management Science.)  View Details

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• Article | Antitrust Chronicle | August 2018

  An Introduction to the Competition Law and Economics of 'Free'

  Benjamin Edelman and Damien Geradin

  Many of the largest and most successful businesses today rely on providing services at no charge to at least a portion of their users. For consumers, it is easy to celebrate free service. At least in the short term, free services are often high quality, and users find a zero price virtually irresistible. But long-term assessments could differ, particularly if the free service reduces quality and consumer choice. In this short paper, we examine these concerns.

  Keywords: Cost; Quality; Competition; Economics;

  Citation:

  Edelman, Benjamin, and Damien Geradin. "An Introduction to the Competition Law and Economics of 'Free'." Antitrust Chronicle (Summer 2018).  View Details

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