When monetary policy is constrained by the zero lower bound, fiscal policy can be used to achieve macro stabilization objectives. At the same time, fiscal policy is also a key policy variable within a single currency area that allow policy-makers to respond to regional demand asymmetries. How do...

With integrated trade and financial markets, a collapse in aggregate demand in a large country can cause 'natural real interest rates' to fall below zero in all countries, giving rise to a global 'liquidity trap'. This paper explores the policy choices that maximize the joint welfare of all...