Empirical studies in Economics and Education have proven without
a doubt that a college education is worth it, from a cost-benefit
analysis. While obviously not all colleges and college degrees are
created equal, earning a college degree significantly boosts annual
wages, on average. The question is however, what are the exact
channels through which college education improves earnings? I will
offer you 3 "theories" and I will ask you to tell me which of the 3
you think are valid...