Alex Castellanos: In modern industrial societies, we've stripped away immense amounts of labor through the substitution of machines. He says it doesn't make workers were left productive because they have very little work to do and their skills are relatively low. The net result is an enormous drop in the price of eggs which means that the workers who work elsewhere have a bunch higher stare.Castellanos: If you introduce automation technologies, you reduce costs prices will decline. That may under some conditions also increase real wages. But if that's all that's going on, he says, labor share with declines steadily.