Antitrust
The Rise of the Mutual Fund Is Reducing Corporate Competition and Hurting Consumers
Mutual funds have become large shareholders in most public U.S. firms. The resulting overlaps in ownership are boosting corporate profits but harming consumers, according to a new study co-authored by Florian Ederer of Yale SOM.

Will the EU’s New Law Remake Big Tech?
We asked Prof. Fiona Scott Morton, an expert on antitrust policy, what the Digital Markets Act will mean for users in Europe and elsewhere.
Does Big Tech Gobble Up Competitors?
An executive order from President Joe Biden last month and a congressional report in October accused large technology firms of engaging in “killer acquisitions,” citing research by Yale SOM’s Florian Ederer.
Can Congress Create Real Competition for Big Tech?
Last week, members of Congress from both parties introduced a series of bills to curtail the dominance of the major technology firms. We asked Prof. Fiona Scott Morton if the proposed legislation would help level the playing field.
Social Media Is Addictive. Do Regulators Need to Step In?
Yale SOM’s Fiona Scott Morton and her co-authors argue that smarter and more robust antitrust enforcement can help, by making room for new social media platforms that promote themselves as healthier alternatives.
Video: Why You Should Care about Antitrust
On October 20, the U.S. Justice Department filed suit against Google, accusing the company of illegally using its market power to maintain dominance of online search and advertising. We asked Yale SOM antitrust expert Fiona Scott Morton to explain why antitrust violations are bad for consumers and how the government can respond.
Facebook’s Dominance Is Built on Anti-Competitive Behavior
In a new paper, Yale SOM’s Fiona Scott Morton writes that the company took control of the social media industry by misleading consumers and buying up rivals.
The Antitrust Case against Google
State and federal authorities are reportedly preparing to bring antitrust charges against Google. We talked to Yale SOM’s Fiona Scott Morton about the company's dominant role in online advertising and how it limits competition.
When Corporate Acquisitions Affect Healthcare
Companies often purchase competitors, not to acquire their ideas and products, but to shut them down. A recent report raised questions about whether such an acquisition may be partially responsible for a shortage of ventilators in the United States.
Economic Competition in a Time of Crisis
What will the sudden economic shock mean for competition and antitrust policy? We asked Yale SOM’s Fiona Scott Morton, an economist who served in the Antitrust Division of the U.S. Department of Justice, for her perspective.
Can Antitrust Enforcement Protect Digital Consumers?
More and more of our economic and social lives are being conducted through digital channels. Economist Fiona Scott Morton talks about how effective antitrust regulation and enforcement can ensure that consumers benefit from the next killer app.