El presente trabajo analiza desde un punto de vista cuantitativo, mediante un modelo de equilibrio general de generaciones sucesivas, los efectos sobre la economia espanola de eliminar el actual sistema de Seguridad Social e implantar uno de capitalizacion. Ela analisis considera el proceso de...

This paper uses a overlapping generation general equilibrium model to study a reform of the social security system, going from an unfunded to a funded system. We also analyze the effects of this reform on the incentives of young generations to acquire skills. the main objective is to evaluate...

Este trabajo cuantifica los efectos de dos propuestas de reforma del sistema de seguridad social en España utilizando un modelo de equilibrio general de generaciones sucesivas. La primera propuesta plantea sustituir el actual régimen de financiación mediante cotizaciones por imposición...

The quantitative literature has documented that a privatization of the social security system generates large long-run welfare gains at the cost of welfare losses for transition generations. In this article, we maximize over the entire policy space, following the optimal fiscal policy approach....

We examine the optimal policy response to a transitory demographic shock that affects negatively the financing of retirement pensions. In contrast to existing literature, we endogenously determine optimal policies rather than exploring implications of exogenous parametric policies. Our approach...

After three decades of being relatively constant, the homeownership rate increased over the period 1994 to 2005 to attain record highs. The objective of this paper is to account for the observed boom in ownership by examining the role played changes in demographic factors and innovations in the...

In this paper, we analyze various mortgage contracts and their implications for housing tenure and investment decisions using a model with heterogeneous consumers and liquidity constraints. We find that different types of mortgage contracts influence these decisions through three dimensions: the...

The last decade has brought about substantial mortgage innovation and increased refinancing. The objective of the paper is to understand the determinants and implications of mortgage choice in the context of general equilibrium model with incomplete markets. The equilibrium characterization...