This thesis investigates the consequences of model uncertainty and persistence in consumption habits and price-setting behaviour in a New Keynesian model.As the decision of a central bank is made in an uncertain environment, the analysis of uncertainty is essential in monetary policy models. In...

In recent years the New Keynesian Model with price stickiness of the Calvo type has become the most widely used theoretical framework for addressing various normative issues such as how optimal monetary and fiscal policy should be conducted. However, the New Keynesian Model has been criticized...