Originally Posted by DoubleD

As an outsider looking in who works for place with 2 pay bands, narrow and wide, it is more complicated than some might think.

As to pilot movement and training costs. Whether a pilot changes planes or not is complicated in itself. The reasons are far more than pay alone. Schedules, domiciles/ commutes, equipment,layover cities and more. Sure pay enters into it but the reasons for changing planes are many.