I study how early career wage trajectories are affected by job mobility using a sample of male labor market entrants. A long period of observation (up to 14 years) with detailed mobility data allows identification of the persistence of any initial mobility premium. The potential endogene-ity of job mobility in relation to earnings is circumvented by explicitly modeling the processes governing transitions out of a job. The estimation procedure uses matched employer-employee data to control for unobserved worker specific and match specific effects. I find a sizeable, and rather persistent, mobility premium, although there are important differences across education groups. The analysis does not permit conclusions as to what causes the persiste...