For humans, it may be difficult to make rational decisions when spending money. As it’s factors, Mr. Ariely lists six elements: "emotions," "relativity," "pain of paying," "mental accounting," "magic ...

This article was taken from the December issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content by ...

Despite our intentions, why do we so often fail to act in our own best interest? Why do we promise to skip the chocolate cake, only to find ourselves drooling our way into temptation when the dessert ...

This article was taken from the June issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content ...

Dan Ariely is a professor of behavioral economics at Duke University and the best-selling author of Misbelief, Dollars and Sense, and Predictably Irrational. In this podcast, Motley Fool contributor ...

Inspiration for studying human behavior. Swiss Army Knife problem. Emotions and investing. Extrinsic and intrinsic motivation. To catch full episodes of all The Motley Fool's free podcasts, check out ...