I have but it's still difficult to get accurate information. Adjustments for cost of living. Factoring in benefits vs non-benefits.
The link you provided still doesn't answer the question of union vs non-union at companies with equivalent market dominance.
Programmers and engineers are sort of the basis for this since pay and benefits have been increasing constantly with supply and demand.
I'm sure if you came up with a meaningful measure of market dominance you could find the data to test your little theory.
I have but it's still difficult to get accurate information. Adjustments for cost of living. Factoring in benefits vs non-benefits.
The link you provided still doesn't answer the question of union vs non-union at companies with equivalent market dominance.
Programmers and engineers are sort of the basis for this since pay and benefits have been increasing constantly with supply and demand.