These specific rules are essential to characterize a «flexible» inflation target regime and they may consist either in a principle, announced by several Central Banks, that the interest rate should be adjusted such that the resulting inflation forecast at an appropriate horizon (usually about two-years ahead) is on target, or they may specify operational Euler conditions for monetary policy.
The eurosceptic parties are gaining strength at each election and it shows that people are fed up with current policies, which are reflected in social decline. Isn’t there a risk that the states are politically paralysed? That they are fed up is no surprise! One cannot blame the people for that; it’s a moral and democratic question.