Central banks may be tempted to decrease unemployment below the natural rate in order to achieve a better outcome in the short run. In order to establish credibility that the central bank will not deviate from its announced$$ policies, which of the following steps might be$$ taken?

A$.$

Make central banks accountable to elected officials.

B$.$

Use quantitative easing regularly.

C$.$

Elect central bank officials rather than appoint them.

D$.$

Give central bank officials long terms in office.