Our actions influence circumstances and people throughout our day whether we intend them to or not. And once we act, the resulting consequences ripple beyond our control. Let’s consider a situation ...

John Authers is a senior editor for markets and Bloomberg Opinion columnist. A former chief markets commentator at the Financial Times, he is author of “The Fearful Rise of Markets.” ...

Spheres of influence stem from the very nature of states and international relations. States will always seek to secure their interests by exerting influence over their neighbors, and the more ...