What is the sign of the correlation between fiscal and monetary policies in the euro zone?

It is widely thought that there is a negative correlation between fiscal and monetary policies in the euro zone. The argument goes that if fiscal policy became more expansionary in the euro-zone countries, monetary policy would become less expansionary and the ECB would be able to exit its zero-interest-rate policy. But everything changes if a fiscal solvency constraint is introduced. F or a euro-zone country to be able to conduct a more expansionary fiscal policy in the presence of this constraint , monetary policy must be more expansionary so that very low interest rates maintain fiscal solvency. In this case, the correlation between fiscal and monetary policies in the euro zone is positive .