I don't know the answer, but it is odd that there's no curve for "faculty share" of university costs. If this were a paper in my field I'd really wonder why the

I don't know the answer, but it is odd that there's no curve for "faculty share" of university costs. If this were a paper in my field I'd really wonder why the key curve is missing. (Imagine a candy store P&L with no line for "cost of candy.")