The aim of this paper is to evaluate the impact of the Spanish pension reform enacted in 2011. We use an accounting model with heterogeneous agents and overlapping generations in order to project revenues and expenditures of the pension system for the next four decades. Specifically, we analyze...

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

The arrival of new information helps financial markets to value assets, but it may has the side-effect of increasing their volatilities. A better knowledge of the mechanism that links relevant news and stock prices would help both private and institutional agents to improve the calibration of...

En la primera parte del articulo analizamos cuales son las principales fuerzas que están detrás del proceso de envejecimiento en el que están envueltas todas las economías desarrolladas. Identificamos la esperanza de vida a partir de los 65 años como el factor determinante del proceso. En...

El objetivo de este artículo es evaluar el impacto de la reforma de pensiones aprobada en 2011. A través de un modelo de proyección contable con agentes heterogéneos y generaciones solapadas se proyectan los ingresos y gastos del sistema de pensiones para las próximas cuatro décadas. En...

We try to build a quantitative-theoretical framework to understand the impact of immigration on the Spanish pension system, both during the last ten years and, more importantly, during the future fifty years. In other words, we look at the recent past in a tentative to predict the future....

This paper explores the properties of several notions of efficiency (A−efficiency, P−efficiency and Millian efficiency) to evaluate allocations in a general overlapping generations setting with endogenous fertility and descendant altruism that includes, as a particular case, Barro and...

Bismarckian social security systems are associated with larger public pension expenditures, a smaller fraction of private pension and lower income inequality than Beveridgean systems. This paper introduces a bidimensional voting model to account for all these features. Agents differ in age,...

This paper argues that social security enjoys wider political support than other welfare programs because: (i) retirees constitute the most homogeneous voting group,\ and (ii) the intragenerational redistribution component of social security induces low-income young to support this system. In a...

We analyse risk sharing and endogenous fiscal spending in a two-region model with sequentially complete markets. Fiscal policy is determined by majority voting. When policy setting is decentralized, regions choose pro-cyclical fiscal spending in an attempt to manipulate security prices to their...