This paper derives restrictions on monetary and fiscal policies for determinate equilibria in a two-country monetary union with autarkic members. It finds that a central bank following the Taylor principle may not be sufficient for determinacy unless accompanied by one 'active' fiscal authority...

We study a model in which policy aims at aggregate price stability. A fiscal imbalance materializes that, if uncorrected, must cause inflation, but the imbalance may get corrected in the future with some probability. By maintaining price stability in the near term, monetary policy can buy time...

This paper applies the fiscal theory of price level determination to the case of a monetary union. A fiscal perspective suggests, first, that the focus of past studies on seigniorage, per se, may be misplaced. Second, a rise in the level of debt by one member government can raise the common...