The flattening of the Phillips curve observed in the industrial countries has been attributed to globalisation, while the traditional explanation centres on monetary policy credibility. The empirical literature is not conclusive, since macroeconomic data are affected by substantial...

The paper examines the link between the precision of the available monetary policy indicators and the determinacy of equilibrium in a forward-looking macroeconomic model with partial information and an optimizing central bank. When the information on endogenous variables is not precise enough,...