This short note is to show that the strong non-superneutrality of monetary policy in Brunnermeier and Sannikov (2016) does not hold if taking into account the pecuniary externality of capital. Higher money growth rate leads to a higher level of capital but not higher growth rate of the economy...

We survey the recent literature on learning in financial markets. Our main theme is that many financial market phenomena that appear puzzling at first sight are easier to understand once we recognize that parameters in financial models are uncertain and subject to learning. We discuss phenomena...

We survey the recent literature on learning in financial markets. Our main theme is that many financial market phenomena that appear puzzling at first sight are easier to understand once we recognize that parameters in financial models are uncertain and subject to learning. We discuss phenomena...

We develop an asset market participation model in which investors base their market entry decisions on the momentum, value and risk of the market. Despite our behavioral framework, the model’s fundamental steady state is characterized by standard present-value relations between expected future...