http://ftp.iza.org/dp2525.pdf
Armin Falk, David Huffman, Uwe Sunde
"Standard search theory assumes that individuals know, with certainty, how they compare to competing searchers in terms of ability. In contrast, we hypothesize that searchers are uncertain about relative ability, with important implications for search behavior. We test our hypotheses in a laboratory experiment. The first main finding is that people are substantially uncertain about whether they are a type with a high or low probability of success, determined by being above or below the median in terms of ability. Focusing on the case of job search, we discuss how our findings can provide a new explanation for various important stylized facts from field evidence."
