In this paper, we ask to what extent changes to the age and sex structure of the population account for the changes in the marriage behavior observed in the United States in the last century (from 1900 to 1980). The decrease in mortality, especially for women, and the changes in immigration...

We develop a stochastic model of random search on the job, with ex-ante heterogeneous workers and firms and aggregate productivity shocks in which firms make state contingent offers and counter offers to workers. The model delivers rich dynamics in which the distributions of unemployed workers,...