Explain what are wage/salary differentials? How does one determine cost of living? Why are these things important?

Salary/Wage Differentials Scenario: A professor is employed by University but has been working remotely since March 2020. His primary residence is in Tampa, Florida which has a much lower cost of living. For example, Florida does not have a state income tax, nor Tampa local wage tax. Pennsylvania and Philadelphia do, respectively. Also, the professor … Read more