This doesn't indicate that people are taking the exact same job for less pay, but it's still relevant to the general thrust of your question, I think: http://r

This doesn't indicate that people are taking the exact same job for less pay, but it's still relevant to the general thrust of your question, I think: http://research.stlouisfed.org/fred2/graph/?g=Zqn http://research.stlouisfed.org/fred2/graph/?g=Zqn