At first glance, college appears to be of great value to most, given its mean returns and sharply subsidized tuition. An empirically-disciplined human capital model that allows for variation in college readiness suggests otherwise: Nearly half of high school completers place zero value on access...

Portfolio choice models counter factually predict (or advise) almost universal equity market participation and a high share for equity in wealth early in life. Empirically consistent predictions have proved elusive without participation costs, informational frictions, or non standard...