Steven Tian

Yale SOM’s Jeffrey Sonnenfeld, who has helped lead the movement to isolate Russia, and co-author Steven Tian write that the current sanctions regime is spottily enforced and ignores key commodities exports. They suggest three steps policymakers should take to give economic sanctions real bite.

Alexei Navalny’s death is another sign that Russia is testing the limits of the West—and the U.S. is failing that test, write Prof. Jeffrey Sonnenfeld and co-author Steven Tian.

Prof. Jeffrey Sonnnenfeld and co-author Steven Tian write that spending on weapons and aid boosts the U.S. economy, strengthens the NATO alliance, and weakens the Russian war machine.

The blowout of a door plug on an Alaska Air 737 MAX 9 earlier this month is just the latest incident casting doubt on the safety culture of the aerospace giant. Yale SOM leadership expert Jeffrey Sonnenfeld, a longtime observer of Boeing, and co-author Steven Tian offer a series of steps to rebuild its internal processes and win back the trust of airlines and the public.

Yale SOM’s Jeffrey Sonnenfeld and Steven Tian, with Tymofiy Mylovanov and Nataliia Shapoval of the Kyiv School of Economics, respond to a New York Times articles on the effect of the boycott.

Yale SOM’s Jeffrey Sonnenfeld and Steven Tian write that FTC chair Lina Khan’s attempts to block mergers are draining economic value—and consistently failing in court.

Yale SOM’s Jeffrey Sonnenfeld and Steven Tian write that the viral spread of anti-Semitic and Islamophobic content over the last two months has underlined the failure of social media platforms to control misinformation and hate—and the importance of truth in the face of propaganda.

Through its proxies, Iran is making aggressive moves against Israel and the U.S. Yale SOM’s Jeffrey Sonnenfeld and Steven Tian write that the U.S. has an option for effective deterrence: cutting off Iran’s oil revenue by strengthening sanctions and imposing a price cap.