The Net Effect of Being White on Creer Success?

In what year did the net effect of being white on creer success become negative? I think that it depends on sort of the industry and the tbee telek. A randomly selected person is bad to be white. Most people are not college graduates. The labor unions basically had exclusion ara, you know, they were excluding a blacksand they e oncluded go ther wath,. basicly, family and people you know.