Skip to content

Tag Archives: rationality

Daniel Kahneman – A Bat and a Ball Cost $1.10

[Update 9/8/2010 A paper Danny co-authored, “Income’s Influence on Happiness” has just been released.] … the bat costs $1 more than the ball. How much does the ball cost? Daniel Kahneman KNOWS that the first thought that entered your head was $.10–even if you’re a Computer Science major at MIT. But that’s the wrong answer. […]