Investment is often irreversible, especially at the aggregate level. This paper proposes and solves a general equilibrium model of technology adotpion when investment in the new technlogy is irreversible. In contrast to prior research, we consider a setup where the returns on technology adoption...

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...