... when the central bank is silent about the interest rate path, (1 − λ1) = 0. Publishing the path, the central bank enlarges the region of instability – the larger the weight the agentsgive to the ... the central bank enlarges the region of instability – the larger the weight the agentsgive to the announcement, the larger the region of instability under learning. Inparticular, when the weight ... choosing the γπand γx, the policy-maker not only determines the level of inflation and output gap and their stability in the long run, but also the speed at which the economy converges to the REE,...