This paper analyses the general equilibrium implications of reforming pay-as-you-go pension systems in an economy with heterogeneous agents, human capital investment and capital-skill complementarity. It shows that increasing funding delivers in the long run higher physical and human capital and...

This paper uses Social Security records to study internal migration in Spain. This is the first paper that uses this data source, which has some advantages with respect to existing data sources: it includes only job-seeking migrants and it allows to identify temporary migration. Within the...

This paper uses Social Security records to study internal migration in Spain. This is the first paper that uses this data source, which has some advantages with respect to existing data sources: it includes only job-seeking migrants and it allows to identify temporary migration. Within the...

A dynamic model of migration is developed to study whether labor mobility can hedge people against region-specific shocks, making private or public insurance redundant. The model adopts a novel timing for migration, which is argued to be the time frame suitable for analyzing risk-sharing issues....

This paper uses a novel dataset and research design to examine the effects of information networks on immigrants' access to health care. The dataset consists of an unusually large sample of undocumented immigrants and contains a direct indicator of information networks--whether an immigrant was...

This paper investigates the effects of internal migration in developed countries on widening wage inequality and high unemployment, and it addresses the geographical dimension of both problems. A two-region dynamic model is developed, which accounts for the skill composition of recent internal...

This paper identifies the migration policies that emerge when both the sending country and the receiving country wield power to set migration quotas, when controlling migration is costly, and when the decision of how much human capital to acquire depends, among other things, on the migration...