The paper investigates the short-run job mobility of educationally mismatched workers, examining the validity of the Sicherman-Galor hypothesis, which predicts that overeducation is a temporary condition from a worker's perspective associated with higher upward occupational and wage mobility....

A pre-condition for employer learning is that signals at labor market entry do not fully reveal graduates' productivity. I model various distinct sources of signal imperfection-such as noise and multi-dimensional types-and characterize their implications for the private return to skill...