It is argued that migration from Mexico to the US and return migration are determined by international wage differentials and preferences for origin. We use a model of job search, savings and migration to show that job turnover is a crucial determinant of the migration process. We estimate this...

This paper investigates why high income households save on average a higher fraction of income than do low income households in US cross-section data. The three explanations considered are (1) age differences across households, (2) temporary earnings shocks and (3) the structure of social...