We provide a theory to investigate the implications of time-varying bailout policy for rational bubbles in an infinite-horizon production economy. In particular, we ask two questions. First, should the government bail out asset bubbles? Second, if yes, how? In our model, entrepreneurs face...

This paper proposes a framework to study contagious stock bubbles in a multi-sector production economy with heterogeneous investment technologies. Due to financial frictions, stock bubbles arise endogenously that help inject additional liquidity. Due to financial linkages, the existence of...

We show the competing effects of a housing bubble on the real economy by developing a two-sector dynamic model with housing production. On the one hand, firms can sell or collateralize their houses to obtain financing, so a housing bubble helps firms obtain credit to finance their investment and...