This paper studies the role of credit-supply factors in business cycle fluctuations. For this purpose, we introduce an imperfectly competitive banking sector into a DSGE model with financial frictions. Banks issue collateralized loans to both households and firms, obtain funding via deposits and...

The global financial crisis has reaffirmed the importance of financial factors for macroeconomic fluctuations. Recent work has shown how the conventional pre-crisis prescription that monetary policy should pay no attention to financial variables over and above their effects on inflation may no...

This paper studies the implications of introducing large monopolistic banks, which can affect macroeconomic outcomes and thus the response of monetary policy to inflation, in a model with a collateral constraint linking the borrowers' credit capacity to the value of their durable assets. First,...