Transparency is literally one of the requirements for a theoretical efficient market. If buyers (companies) have asymmetrical information with sellers (laborers

Transparency is literally one of the requirements for a theoretical efficient market. If buyers (companies) have asymmetrical information with sellers (laborers) there is room for inefficiency. Remove that and the market becomes more efficient. This efficiency is seen as higher wages and lower profits, as we see with the skyrocketing in executive compensation after it was legally mandated to be public.