With overlapping generations and heterogeneous risk aversion there is no unique relation between aggregate risk aversion and the real rate of interest, and this type of endogenous “noise” cannot arise in an economy where agents live forever. Our framework accommodates many agent types and...

We study asset prices and portfolio choice with overlapping generations, where the young disregard history to learn from own experience. Disregarding history implies less precise estimates of output growth, which in equilibrium leads the young to increase their investment in risky assets after...

We study an economy with a CEO who trades off the incentive to divert funds, which leads to underinvestment, against the incentive to overinvest based on his optimism. In equilibrium, we see overinvestment relative to what the shareholder or a social planner would implement but underinvestment...

The paper tests a conditional multivariate International Capital Asset Pricing Model for US, Japanese and European stocks and government bonds, covering the period 1993-2001. Time variation in the prices of market and currency risk is modelled by means of synchronous regime switching. The paper...