[pc86]

It's gross but I honestly don't see how you can come to this conclusion? How can you keep wages below market value by sharing actual wages in the actual market?

[ryan_lane]

Because the employers are the ones with access to the data, not the general public.

[kavalg]

I guess it can be viewed as a way of establishing trust between parties involved.

[jacquesm]

Collusion on the part of the employers.