What is the effect of non-tradeable idiosyncratic risk on asset-market risk premiums? Constantinides and Duffie (1996) and Mankiw (1986) have shown that risk premiums will increase if the idiosyncratic shocks become more volatile during economic contractions. We add two important ingredients to...

The paper discusses the importance of decreasing mortality in explaining demographic change over the last century. A two-sex overlapping generations model is used where care both for children and the elderly is modeled. Assuming that the main costs of care are tied to time use (and thereby...

This paper investigates the role of productivity as a determinant of the worker's retirement intentions. Using an overlapping generation framework, we analyze the retirement decision of a cohort of workers being ability heterogeneous. The labor market is endogenously segmented between workers...

Incluye bibliografía ; Este documento estudia la dinámica de los precios de las acciones en un modelo tipo «árbol de Lucas» en el que los inversores tienen vidas finitas y aprenden de su propia experiencia. Los individuos actualizan sus expectativas mediante aprendizaje bayesiano basado en...