This book studies the interactions between monetary and fiscal policies in the Euro area. The policy makers are the union central bank, the German government, the French government and other governments. The policy targets are price stability in the union, full employment in Germany, full employment in France, etc. The policy instruments are union money supply, German government purchases, French government purchases, etc. As a rule, the spillovers of fiscal policy are negative. The policy makers follow either cold-turkey or gradualist strategies. The policy decisions are taken sequentially or simultaneously. Policy expectations are adaptive or rational. This book carefully discusses the case for central bank independence and fiscal cooperation.