We exploit two unusual policy features of academic high schools in Seoul, South Korea - random assignment of pupils to high schools within districts and conversion of some existing single-sex schools to the coeducational (coed) type over time - to identify three distinct causal parameters: the...

This paper develops a model and derives novel testable implications of referral-based job search networks in which employees provide employers with information about potential job market candidates that they otherwise would not have. Using unique matched employer-employee data that cover the...

If migrants return to their origin countries, two questions arise which are of immediate economic interest for both immigration and emigration country: What determines their optimal migration duration, and what are the activities migrants choose after a return. Little research has been devoted...

This paper contrasts labour participation behaviour and wages of native and immigrant women. Since the impact of family structure on labor supply differs between natives and immigrants, we explicitly distinguish between part-time and full-time jobs. The choice of jobs is accounted for by an...

This paper presents a life cycle model for the demand for health, and derives empirical specifications that distinguish between permanent and transitory wage responses. Using panel data, we estimate dynamic health and health input demand equations. We find evidence of negative transitory wage...