The Bank of England's current ""quantitative easing"" strategy has given rise to a controversial debate about the effects and risks of unconventional monetary policy. The present paper makes two contributions to this debate. First, it provides a systematic overview of unconventional policy...

We study the welfare properties of an economy where both monetary and fiscal policy follow simple rules, and where a subset of agents is borrowing constrained. The optimized fiscal rule is far more aggressive than automatic stabilizers, and stabilizes the income of borrowingconstrained agents,...