> ... why collage tuition increases ... Also covered in economics! https://en.wikipedia.org/wiki/Signalling_%28economics%29 https://en.wikipedia.org/wiki/Sign

> ... why collage tuition increases ... Also covered in economics! https://en.wikipedia.org/wiki/Signalling_%28economics%29 https://en.wikipedia.org/wiki/Signalling_%28economics%29 Being able to get into and complete several years of college signals to a potential employer that you are a better candidate. The more prestigious the institution, more difficult to get in etc, the better for the candidates that manage to. That increases demand, but the (roughly) fixed supply at a college results in increased prices and other things that reinforce the college (eg better sports and more successful sports teams).