What External Factors Can Alter the Value of Higher Education

What external factors can alter the value of higher education?

A) Typically college is not a good investment and does not confer lifetime earnings advantages.
B) Family obligations may ultimately make a higher education a bad value if a graduate cannot move to a new area for employment.
C) College degrees are more highly valued from other countries, driving the value of US higher education degrees down.
D) If students find themselves post-graduation trapped in a tight labor market and forced into jobs for which they are overqualified.