In new research, Louis Pape and Michelangelo Rossi find that the European Union’s Digital Markets Act’s prohibition on self-preferencing had little effect on the popularity of Google Maps relative to competitors. User preference for the incumbent service appears to outweigh frictional barriers to access.

In new research in collaboration with Color of Change, Dante Donati and Lena Song find that comments on social media posts help drive platform engagement for organizations. However, comment sections are often populated by a vocal minority, and adversarial comments from them come with reduced off-platform support for the original posters.

In new research, Joel Dodge and Ganesh Sitaraman argue that a comprehensive industrial policy to secure American supply chains and ensure access to essential goods should incorporate the deployment of public factories.

Artificial intelligence coding agents provide enormous value to consumers for very low fees. But the market is quickly shrinking with Anthropic in the lead. Only competition, and requiring Big Tech to build agents rather than buy them, will continue to let AI’s value flow to consumers. As such, the courts should ban SpaceX’s recently proposed acquisition of Cursor, writes Ketan Ahuja.

In new research, Michele Fioretti and Alessandro Iaria discuss how a landmark Norwegian court ruling shows how constitutional constraints on the government’s ability to retroactively change contracts can encourage private innovation and reshape entire industries.

In new research, Marco Battaglini, Valerio Leone Sciabolazza, Mengwei Lin and Eleonora Patacchini study how the deaths of large donors change candidates’ electoral results and congressional activity in a new measure of donors’ influence in American politics.