Nash equilibrium helps predict other investors' moves; no net gain by altering your long-term strategy. A dominant strategy excels regardless of others' actions, aiding investment decisions. Using ...

This week “The Economist explains” is given over to economics. For each of six days until Saturday this blog will publish a short explainer on a seminal idea. ECONOMISTS can usually explain the past ...

The prisoner's dilemma describes a situation in which two parties act on an incentive to protect themselves at the expense of the other. Find out how it works in economics.

Brian Fite is a 35-year-old professional poker player and coach. He has been playing poker full-time for more than 14 years and along the way has developed a deep understanding of the game and all ...

John F. Nash Jr. is widely known as the subject of the Oscar-winning film “A Beautiful Mind,” but his contributions to the advancement of human knowledge are far greater. Nash paved the way for game ...