Now here is an important fact: the median number of years that current wage and salary workers have been with their current employer is about four and a half. In other words, more than half of current workers have jobs that are new since the end of the recession. A majority of workers have new jobs, some workers have wages that are increasing (and thus a fortiori not downwardly rigid) and quite a few workers have flexible wages due to piece rates, commissions, bonuses and so forth. Not all of these categories perfectly overlap.
Chosen excerpts by Job Market Monitor. Read the whole story at More than Half of Workers Have New Jobs Since the End of the Recession.