In a brand new 2015 edition of the free Behavioral Economics Guide, which I edited and published today, Dan Ariely, the bestselling author of Predictably Irrational, illustrates the lessons from ...

The last day of Wharton's spring semester was a glorious day for me, and not just because the magnolias were in bloom. Once again, my consumer behavior students have made me very proud. It was the ...

Every day, Americans take part in a curious economic exercise. They willingly pay extra at restaurants, hair salons, hotels and in cabs. In fact, these tips have become so expected that employers in ...