A critical assessment of the latest charge of Google’s anticompetitive bias from Yelp and Tim Wu

Geoffrey Manne —  19 September 2016

Today ICLE released a white paper entitled, A critical assessment of the latest charge of Google’s anticompetitive bias from Yelp and Tim Wu.

The paper is a comprehensive response to a study by Michael Luca, Timothy Wu, Sebastian Couvidat, Daniel Frank, & William Seltzer, entitled, Is Google degrading search? Consumer harm from Universal Search.

The Wu, et al. paper will be one of the main topics of discussion at today’s Capitol Forum and George Washington Institute of Public Policy event on Dominant Platforms Under the Microscope: Policy Approaches in the US and EU, at which I will be speaking — along with a host of luminaries including, inter alia, Josh Wright, Jonathan Kanter, Allen Grunes, Catherine Tucker, and Michael Luca — one of the authors of the Universal Search study.

Follow the link above to register — the event starts at noon today at the National Press Club.

Meanwhile, here’s a brief description of our paper:

Late last year, Tim Wu of Columbia Law School (and now the White House Office of Management and Budget), Michael Luca of Harvard Business School (and a consultant for Yelp), and a group of Yelp data scientists released a study claiming that Google has been purposefully degrading search results from its more-specialized competitors in the area of local search. The authors’ claim is that Google is leveraging its dominant position in general search to thwart competition from specialized search engines by favoring its own, less-popular, less-relevant results over those of its competitors:

To improve the popularity of its specialized search features, Google has used the power of its dominant general search engine. The primary means for doing so is what is called the “universal search” or the “OneBox.”

This is not a new claim, and researchers have been attempting (and failing) to prove Google’s “bias” for some time. Likewise, these critics have drawn consistent policy conclusions from their claims, asserting that antitrust violations lie at the heart of the perceived bias. But the studies are systematically marred by questionable methodology and bad economics.

This latest study by Tim Wu, along with a cadre of researchers employed by Yelp (one of Google’s competitors and one of its chief antitrust provocateurs), fares no better, employing slightly different but equally questionable methodology, bad economics, and a smattering of new, but weak, social science. (For a thorough criticism of the inherent weaknesses of Wu et al.’s basic social science methodology, see Miguel de la Mano, Stephen Lewis, and Andrew Leyden, Focus on the Evidence: A Brief Rebuttal of Wu, Luca, et al (2016), available here).

The basic thesis of the study is that Google purposefully degrades its local searches (e.g., for restaurants, hotels, services, etc.) to the detriment of its specialized search competitors, local businesses, consumers, and even Google’s bottom line — and that this is an actionable antitrust violation.

But in fact the study shows nothing of the kind. Instead, the study is marred by methodological problems that, in the first instance, make it impossible to draw any reliable conclusions. Nor does the study show that Google’s conduct creates any antitrust-relevant problems. Rather, the construction of the study and the analysis of its results reflect a superficial and inherently biased conception of consumer welfare that completely undermines the study’s purported legal and economic conclusions.

Read the whole thing here.

Geoffrey Manne



One response to A critical assessment of the latest charge of Google’s anticompetitive bias from Yelp and Tim Wu


    The EU should take China’s position and force Google to pay publishers and others. The EU would thus be negotiating with Google as a Union. Truth is Google gets away with what it does because the website owners compete and do not cooperate against google as would be in their best interest. This paper is an attempt to deny reality with wordy analysis and academic blah blah blah. It fails to convince regardless. Lets see if my comment appears here tomorrow or if you academics prefer to block commentary.