Playing with Reality: How Games Shape Our World. By Kelly Clancy. Riverhead Books; 368 pages; $30. Allen Lane; £25 In 1824 Prince Wilhelm of Prussia asked for a demonstration of an elaborate game he ...

Imagine you had a friend who gave different answers to the same question, depending on how you asked it. “What’s the capital of Peru?” would get one answer, and “Is Lima the capital of Peru?” would ...

In a recent artificial intelligence (AI) machine learning breakthrough in game theory, researchers solve a persistent problem with real-world applicability—for the better. At last month’s 34th ...

Mention “game theory” and the concept of Nash equilibrium, one of the most important decision-making theorems in game theory, may come to the minds of economists, mathematicians, scientists, computer ...