I first learned my craft on Wall Street in the 1980s, a very different era, characterized by the bravado of Gordon Gekko’s “Greed is Good” speech. During that period, I was taught that all ...

Christina Majaski writes and edits finance, credit cards, and travel content. She has 14+ years of experience with print and digital publications. Robert Kelly is managing director of XTS Energy LLC, ...

This question originally appeared on Quora. Answer by Balaji Viswanathan, currently working on From Tryst to Tendulkar: The History of Independent India: Game theory is a study of strategies involved ...

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 ...