Michael Dell, chairman and CEO of Dell Technologies.

Dell on AI, mega mergers and Trump

Billionaire Michael Dell explains how he pulled off the biggest ever tech deal, why he talks to Trump and how a TV show helps him stop taking tech too far.

Economist Richard Thaler said on Monday that "In order to do good economics, you have to keep in mind that people are human."

Nobel for 'deviant' economist 

Richard Thaler is a pioneer of behavioural economics, which incorporates a more realistic understanding of human behaviour into economic theory.