A series of crisis and emergency interest rate cuts has brought global interest rates towards zero and government debt to historical records. The paper discusses the exit options from unconventional monetary policies and unsustainable government debt. First, the paper sheds light on the...

In the New-Keynesian model, optimal interest rate policy under uncertainty is formulated without reference to monetary aggregates as long as certain standard assumptions on the distributions of unobservables are satisfied. The model has been criticized for failing to explain common trends in...