American political commentators have frequently called for the U.S. president to take effective action to improve world economic growth. Such calls are a form of what Matthew Yglesias has dubbed “Green Lanternism”—the unspoken theory that the U.S. president’s ability to affect outcomes is primarily affected by his willpower. In this article, I examine the opposite—and ...

The Biden administration has built an unprecedented machine for economic and technological coercion. When Russia invaded Ukraine, the United States and its allies cut off Russia’s access to its own central bank reserves held outside Russia. The administration revamped export controls to strangle China’s access to the powerful and specialized semiconductors needed to train A.I., ...