Monetary-fiscal policy interactions and their effect on economic performance: new theory, empirics, and an application to Australia. Both fiscal and monetary policy are powerful tools that affect the wellbeing of individuals. Even if current policies are 'responsible', the social cost of uncertainty about the future is extremely high - to which the 2004 'high interest rates under Labour' election campaign or current heated fiscal debates in the US and EU testify. Our analysis will contribute to ....Monetary-fiscal policy interactions and their effect on economic performance: new theory, empirics, and an application to Australia. Both fiscal and monetary policy are powerful tools that affect the wellbeing of individuals. Even if current policies are 'responsible', the social cost of uncertainty about the future is extremely high - to which the 2004 'high interest rates under Labour' election campaign or current heated fiscal debates in the US and EU testify. Our analysis will contribute to the reduction of the social cost by identifying the institutional setting that is robust to 'bad' policymakers, i.e. one in which socially optimal policies are 'institutionalized' (legislated) rather than resting with individuals. Such arrangements are further likely to stimulate investment and economic growth.Read moreRead less