The Information Economy

Smartphones have become a primary gateway for consuming political news, but we know little about what individuals actually see on their phones. In new research, Guy Aridor, Tevel Dekel, Rafael Jiménez Durán, Ro’ee Levy, and Lena Song open the smartphone black box using novel content data and document individuals’ exposure to election-related content during the 2024 presidential election, as well as the drivers of this exposure.

In two new research papers, Ryan Brutger and Amy Pond explore how different messaging about the effects of  antitrust enforcement sway American public opinion toward and away from stronger enforcement.

Warner Bros. (“Warner”), a prized and consequential media company, is once again on the auction block, and both Netflix and Paramount Skydance are competing to buy it. Barak Orbach observes that bidders’ appetites for prized media enterprises often foster undue optimism about the feasibility of successfully integrating them. He argues that antitrust scrutiny of any acquisition of Warner would likely underscore the need to modernize certain antitrust doctrines and analytical frameworks.

In new research, Niuniu Zhang discusses how regulators can add “noise” to market data to preclude tacit collusion through algorithmic pricing software without hampering legitimate market practices.

In new research, Michele Fioretti, Victor Saint-Jean, and Simon Smith show that shareholders with potential reputational gains will push for corporate actions in the face of shocks like Covid-19 or the Russian invasion of Ukraine that reduce returns to other shareholders who have no reputational gains at stake.

Is pursuing a PhD a worthwhile financial investment? In new research, Dwayne Benjamin, Boriana Miloucheva, and Natalia Vigezzi compare earnings of PhD graduates to other degree holders, highlighting that the high opportunity costs of pursuing a PhD aren’t always worth it.

Member of the European Parliament Alexandra Geese writes that illiberal politicians and Big Tech social media platforms have abused the principle of freedom of speech to suppress ideas with which they do not agree and promote hate speech. She provides three recommendations for retaking speech from the social media platforms that constitute today’s public sphere.

Most users on social media have encountered toxic content: rude, disrespectful, or hostile posts or comments. A study using a browser extension estimates the effect of toxic content on user engagement and welfare.

Caio Mario S. Pereira Neto reflects on the discussions at the Stigler Center’s 2025 Antitrust and Competition Conference and addresses the problems that confront Brazil’s courts as they navigate the tradeoffs between removing disinformation that threatens electoral integrity and observing constitutional protections for freedom of expression.

In recent weeks, a spate of mergers has been announced in telecommunications markets. The activity endangers Americans’ access to affordable and reliable internet services. Rather than continue to depend on private companies to provide essential internet services, cities should look to the many communities that have provided significantly lower-cost and higher-quality public internet connectivity, writes Sean Gonsalves.