Best | Predeciblemente Irracional Dan Ariely Pdf

When given a choice between a high-quality Lindt truffle for 15 cents and a lower-quality Hershey's Kiss for 1 cent, most people buy the truffle. But if the prices drop by just one cent—making the truffle 14 cents and the Kiss free—the majority of people choose the free Hershey's Kiss, ignoring the superior value of the truffle. 3. Social Norms vs. Market Norms