We describe a model of multi-trait matching and inheritance in which individuals’ attractiveness in the marriage market depends on their market and non-market characteristics. Gender differences in social mobility can arise if market characteristics are relatively more important in determining...

We analyze the economic costs of national security related border delays in a Baumol-Tobin inventory theoretic framework. We show that there are social costs induced by behavioural responses to the delays, in addition to time costs at the border.