Higher education's product-delivery system—a professor droning to a limited number of students in a room—dates back a thousand years. The industry's physical pl

Higher education's product-delivery system—a professor droning to a limited number of students in a room—dates back a thousand years. The industry's physical plant (dorms, classrooms, gyms) often a century or more. Its most expensive employees, tenured faculty, can't be fired. The price of its product (tuition) and operating costs have outpaced inflation by multiples. Why is this the case? Is teaching basically the last great guild?