By having an inflation target range, we make a commitment to explaining transparently how we have achieved that target. Monetary and fiscal policy coordination  Independence also matters for ensuring effective monetary and fiscal policy coordination. Page 6 of 11  Much monetary theory involves figuring out how to avoid high inflation and its impoverishing effects.
Sometimes high inflation is caused by the excessive ambitions of sovereigns to spend fiscal resources on projects that do little to generate long-run economic growth. Continuous fiscal deficits reflect those ambitions, and because those deficits are financed with debt, they create a tax liability for citizens in the future.