Recently, convincing evidence has been presented that the recession in the wake of the recent financial crisis resulted primarily from an overly levered housing sector that was forced to deleverage and cut consumption spending when faced with collapsing housing prices. Following this...

An asset bubble relaxes collateral constraints and increases borrowing by credit-constrained agents. At the same time, as the bubble deflates when constraints start binding, it amplifies downturns. We show analytically and quantitatively that the macroprudential policy should optimally respond...