There's some mainstream literature (with data) that corroborates this point of view: https://www.bloomberg.com/opinion/articles/2017-10-30/free-college-would-he

There's some mainstream literature (with data) that corroborates this point of view: https://www.bloomberg.com/opinion/articles/2017-10-30/free-college-would-help-the-rich-more-than-the-poor https://www.bloomberg.com/opinion/articles/2017-10-30/free-c...