"It is well known that children reared in non-intact families on average have less favorable educational outcomes than children reared in two-parent families. Evidence from the United States and Sweden indicates that living in a non-intact family is correlated with lower educational attainment....

Perhaps it does. We propose a model in which workers with little education or in the tails of the age distribution the inexperienced and the old have more chance of job failure (mismatch). Recruits' average education should then increase and the standard deviation of starting age decrease when...