The recent rise of excess liquidity in the United States and in the euro zone did not result in a resurgence of inflation. Excess liquidity, rather than heading towards the market of consumer goods, could have moved towards the asset markets. In the data covering the period going from 1980 to...

We study the role of monetary policy when asset-price bubbles may form due to herd behavior in investment in an asset whose return is uncertain. To that aim, we build a simple general-equilibrium model whose agents are households, entrepreneurs, and a central bank. Entrepreneurs receive private...