U.S. economist Richard Thaler speaks during a news conference after winning the 2017 Nobel Economics Prize

U.S. economist Richard Thaler speaks during a news conference after winning the 2017 Nobel Economics Prize

US economist Richard Thaler, of the University of Chicago's Booth School of Business, speaks during a news conference in Chicago on October 9 after winning the 2017 Nobel prize for economics. Photo: Reuters, Kamil Krzaczynski

October 11, 2017 12:38 PM (UTC+8)