2  BIS central bankers’ speeches  Because the evolution of the economy is uncertain, policymakers need to carefully watch for signs that it is diverging from the baseline outlook and respond in a systematic way to stabilize the economy.
Accordingly, for both our purchases and our forward guidance, we have tried to communicate as clearly as possible how changes in the economic outlook will affect our policy stance. In doing so, we will help the public to better understand how the Committee will respond to unanticipated developments, thereby reducing uncertainty about the course of unemployment and inflation.