The Great Recession, and the fiscal response to it, has revived interest in the size of fiscal multipliers. Standard business cycle models have difficulties generating multipliers greater than one. And they also fail to produce any significant asymmetry in the size of the multipliers over the...

We develop a model of monetary policy with a simple departure from the basic New Keynesian (NK) model. In this model, the central bank sets independently the interest rate on bank reserves and the nominal stock of bank reserves. Because reserves reduce the costs of banking, the model delivers...