We develop a model of rational bubbles based on leverage and the assumption of an imprecisely known maximum market size … lend to traders with limited liability in a bubble is endogenous. Bubbles reduce welfare of future investors. We provide … general conditions for the possibility of bubbles depending on uncertainty about market size, traders' degree of leverage and …

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 … bubbles are vulnerable to market sentiment and resource-consuming. The systematic risk of bubble bursting causes both asset …

We develop a model of rational bubbles based on the assumptions of unknown market liquidity and limited liability of … condition for whether rational bubbles are possible. Based on this analysis, we discuss several widely-discussed policy measures … with respect to their effectiveness in preventing bubbles. A reduction of manager bonuses or a Tobin tax can create or …

Chapter Summary: We consider the recent financial crisis as an overlapping sequence of interdependent financial bubbles …

crash hazard rate in the Johansen-Ledoit-Sornette model of rational expectation bubbles. The model is based on a percolation …-exponential bubbles interrupted by crashes …

Financial bubbles are subject to debate and controversy. However, they are not well understood and are hardly ever … specific traces, bubbles may be recognised in advance: that is, before they burst. In this paper, we will explain the mechanism … behind financial bubbles in an intuitive way. We will show how the log-periodic power law emerges spontaneously from the …