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The Role of the State

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...
Academic Capture

With the Court Approval of the T-Mobile/Sprint Merger, the Dominant Doctrine in Antitrust Has Jumped the Shark

Matt Stoller
New York Judge Victor Marrero allowed two major mobile companies to merge in an already concentrated telecom industry, ensuring that prices will rise and...
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

Can Google Mobilize Its Users to Lobby Elected Officials?

ProMarket writers
Google has an 87 percent market share in the search business and the potential to mobilize more voters than the Democratic primaries, according to...
Antitrust and Competition

The Real Price of Health Data: Americans Don’t Want to Share Their Records for Free

ProMarket writers
The 2019 Chicago Booth/Kellogg School Financial Trust Index survey shows that 93 percent of participants don’t want to share their health data with digital...
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

A Majority of Americans Don’t Trust Facebook, One Third Supports Breaking It Up

ProMarket writers
The annual Chicago Booth/Kellogg School Financial Trust Index survey shows that 73 percent of Americans disapprove of Facebook’s policy not to fact-check political ads....
Antitrust and Competition

Like Microsoft, but With More Glitter: The Cheerleading Monopoly Problem

Matt Stoller
Cheerleading is a huge part of American culture. It’s also an expensive sport, especially after a company called Varsity Brands bought the National Cheerleader...
Antitrust and Competition

Antitrust’s Monopsony Problem

Sandeep Vaheesan
Four cases from the past decade alleging employer collusion against workers show that at present, antitrust law is ill-equipped to protect workers. A root...
Antitrust and Competition

How Allowing a Little Bit of Dissent Helps the Chinese Government Control Social Media

Zhenqi Jessie Liu
A new study on three major social networks in China finds that tolerating small, relatively free platforms helps the Chinese government maintain sufficiently high...
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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.