earnings differential
noun[C]
ECONOMICS,HRukus(alsopay differential)thedifferenceinpaybetween twojobswith differentresponsibilitiesor betweenemployeeswith differentqualificationsorexperience:
There is agrowingearningsdifferentialbetweenhigh-schoolandcollegegraduates.
thedifferenceinpaybetween twopeopledoing the samejoborsimilarjobs:
Actors areonceagainangeredby thepaydifferentialbetween thefamousand lessfamousintheirprofession.