The objective of this paper is to understand the impact of immigration on the Spanish pension system during the next fifty years by building a quantitative theoretical framework. In order to carry out the exercise of projection of revenues and expenditures in the Spanish pension system, we have...

The data show that an increase in government provided old-age pensions is strongly correlated with a reduction in fertility. What type of model is consistent with this finding? We explore this question using two models of fertility: one by Barro and Becker (1989), and one inspired by Caldwell...

The data show that an increase in government provided old-age pensions is strongly correlated with a reduction in fertility. What type of model is consistent with this finding? We explore this question using two models of fertility, the one by Barro and Becker (1989), and the one inspired by...

We describe the historical evolution of the Spanish Social Security system and its current organization. Our attention concentrates on the main public pension scheme for private employees in the manufacturing and service sector (RGSS) which covers by far the largest majority of Spanish workers....

The data show that an increase in government provided old-age pensions is strongly correlated with a reduction in fertility. What type of model is consistent with this finding? We explore this question using two models of fertility, the one by Barro and Becker (1989), and the one inspired by...

We describe the historical evolution of the Spanish Social Security system and its current organization. Our attention concentrates on the main public pension scheme for private employees in the manufacturing and service sector (RGSS) which covers by far the largest majority of Spanish workers....

Many countries have social security systems that are currently financially unsustainable. Economists and policy makers have long studied this problem and identified two key causes. First, as declining birth rates raise the share of older persons in the population, the ratio of retirees to...