"This paper examines the welfare implications associated with different degrees of diversity or similarity between migrants and natives under both migration and trade. We use a general equilibrium model of migration, human capital and social capital and find that there are three equilibrium...

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...