Will Macheel

Concerns about market concentration and its effects on competition are at the heart of antitrust policy. Will Macheel explains the Herfindahl-Hirschman Index (HHI) as a common measure of market concentration, its implications for United States antitrust policy, and potential drawbacks of the measure. He closes the article by highlighting research on the HHI as a regulatory tool for screening mergers.

Will increasing the liability of internet platforms mitigate disinformation? Economists weighed in on the effects of limiting or repealing protections for Big Tech through a recent survey from the Forum for the Kent A. Clark Center for Global Markets—previously the Initiative on Global Markets—at the University of Chicago Booth School of Business.

New research by Rainer Haselmann, Christian Leuz, and Sebastian Schreiber finds evidence suggesting that German banks with commercial lending relationships improve their trading positions...

Economists overwhelmingly agree that the lack of competition in the market for ticket-selling intermediaries leads to attendees paying more, according to a recent survey...

Recent elections have led to a shift in power and ideology across Latin America. Newly elected leaders have brought a new outlook for their...

On Oct.14, the Hopkins Business of Health Initiative hosted a panel discussing if and how companies should consider the health implications of their products....

On Oct. 22, Chinese President Xi Jinping solidified power and an unprecedented third term with the conclusion of the Chinese Communist Party’s 20th National...