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Big Tech

Antitrust and Competition

Competition in Digital Markets: What Have We Learned So Far?

Filippo Lancieri
A new Stigler Center working paper systematically analyzed and summarized 21 reports issued by 17 antitrust authorities and expert panels on the subject of...
Antitrust and Competition

How US Regulators Allowed Google and Facebook to Become Dominant

Filippo Lancieri
The UK's Competition and Markets Authority recently criticized Google and Facebook's excessive market power. American regulators, on the other hand, have allowed them to consolidate...
Antitrust and Competition

How to Restore Competition in Digital Advertising Markets and Protect Users

Filippo Lancieri
The UK's Competition and Markets Authority is considering a range of interventions in digital advertising markets, among them obliging Google to share click and query...
Antitrust and Competition

How Google and Facebook Made Digital Advertising Markets Increasingly Opaque to Protect Their Dominance

Filippo Lancieri
According to the British Competition and Markets Authority, barriers to entry are so high that not even Amazon is a real threat to Google...
Antitrust and Competition

The Trump Administration Attacks the Stigler Report on Digital Platforms

Luigi Zingales
President Trump’s 2020 Economic Report finally confronts the issue of antitrust enforcement both in the traditional economy and in the digital one. While it...
Antitrust and Competition

Facebook’s Enduring Control Over Social Media Markets

Filippo Lancieri
According to the British Competition and Markets Authority (CMA), Facebook accounts for 75 percent of the UK’s social media market. Over the past 10 years,...
Antitrust and Competition

The Chicken/Egg Problem With Google Search That Prevents Competition

Filippo Lancieri
Google controls the British search market, according to the UK's Competition and Markets Authority. Its 90 percent market share and profits from general search are...
Antitrust and Competition

Google’s and Facebook’s Grip on Digital Advertising Markets

Filippo Lancieri
Since July 2019, the UK's Competition and Markets Authority has been conducting an extensive investigation of the digital advertising market. In its preliminary report on...
Antitrust and Competition

How to Regulate Digital Platforms: A Database

Filippo Lancieri
Over the past couple of years, many antitrust authorities commissioned expert groups or released working papers addressing different areas of digital policy. For the...
Antitrust and Competition

“We Were Naïve,” Says FCC Chair Who Oversaw the Creation of Section 230

Guy Rolnik
In an interview with ProMarket, former FCC chair Reed Hundt spoke about antitrust, Big Tech platforms, the future of the 1996 provision that provided legal protection...
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The publication of the Stigler Center at The University of Chicago Booth School of Business

ProMarket is dedicated to discussing how competition tends to be subverted by special interests. The posts represent the opinions of their writers, not necessarily those of the University of Chicago, the Booth School of Business, or its faculty. For more information, please visit ProMarket Policy.