Why are asset prices so much more volatile and so often detached from their fundamental values? Why does the bursting of financial bubbles depress the real economy? This paper addresses these questions by constructing an infinite-horizon heterogeneous agent general equilibrium model with...

We present an estimated dynamic stochastic general equilibrium model of stock market bubbles and business cycles using Bayesian methods. Bubbles emerge through a positive feedback loop mechanism supported by self-fulfilling beliefs. We identify a sentiment shock that drives the movements of...

China’s housing prices have been growing nearly twice as fast as national income in the past decade despite (i) a phenomenal rate of return to capital and (ii) an alarmingly high vacancy rate. This paper interprets such a prolonged paradoxical housing boom as a rational bubble that...