That is a piece of evidence against that. It's not conclusive, because wages can both be rising and be rising less than they would be absent the practice. Howev

That is a piece of evidence against that. It's not conclusive, because wages can both be rising and be rising less than they would be absent the practice. However, I definitely haven't made a strong case for what I said, just wanted to throw out the name of a theory in case people wanted to Google it an learn more. I'm not equipped to definitely answer a question well-regarded economists debate about, of course.