Who does the choosing? Today it's the students but they significantly don't pay the cost, so competition can be gamed by wasting money on student perks. This

Who does the choosing? Today it's the students but they significantly don't pay the cost, so competition can be gamed by wasting money on student perks. This is generally a problem that comes up when the party that pays isn't the party that gets the benefit-- it breaks competition's utility for getting good results.