For the open economy, the workhorse model in intermediate textbooksstill is the Mundell-Fleming model, which basically extends theinvestment and savings, liquidity preference and money supply (IS-LM)model to open economy problems. The authors present a simple NewKeynesian model of the open...

This paper explores whether the cost channel solves the price puzzle. We set-up a New Keynesian DSGE model and estimate it for the euro area by adopting a minimum distance approach. Our findings suggest that - under certain parameter restrictions which are not rejected by the data - the cost...

This paper addresses the credit channel in Germany by using aggregate data. We present a stylized model of the banking firm in which banks decide on their loan supply in the light of expectations about the future course of monetary policy. Applying a VAR model, we estimate the response of bank...

Although the IS/LM-AS/AD model is still the central tool of macroeconomic teaching in most macroeconomic textbooks, it has been criticized by several economists. Colander (1995) demonstrated that the framework is logically inconsistent. Romer (2000) showed that it is unable to deal with a...