For what? For pay transparency look at Congress staffers, lot of state employees, a lot of CEOs, the military or some tech companies. For the second point I think it's pretty well known that markets can only properly function if all participants have the relevant information.
> markets can only properly function if all participants have the relevant information.
That's the reason why it's criminal for employers to punish employees for discussing compensation with each other and why employers try their hardest to prevent that from happening.
I posit that in a lot of (most) companies profit is born wholly by the underpaid employees.
Professional sports is one that is brought up frequently. Athletes seem to be fine with being paid different amounts, and they too must work as a team to succeed.
All public servants or just those paid by your statea and/or federal governments? Could you find out how much someone made at the NSA, for example?
>Sweden.
Tax returns are not the same as pay transparency. In premise, yes, in practice, no, because a tax return is based on taxable income only. So, let's say I have tax credits for having three kids. My taxable income would be vastly different from yours, if you have no kids.
Citations?