The signaling isn't just for intelligence and grit (although those are factors); as Caplan argues in The Case Against Education, a college degree also signals c

The signaling isn't just for intelligence and grit (although those are factors); as Caplan argues in The Case Against Education, a college degree also signals capacity for obedience and conformity. https://press.princeton.edu/titles/11225.html https://press.princeton.edu/titles/11225.html