This paper analyzes the use of unconventional policy instruments in New Keynesian setups in which the 'divine coincidence' breaks down. The paper discusses the role of a second instrument and its coordination with conventional interest rate policy, and presents theoretical results on equilibrium...

The global financial crisis and the ensuing Great Recession raised concerns about adjustment fatigue, deflation, currency wars, and secular stagnation that presented a sense of déjà vu: similar concerns had arisen at the time of the Great Depression and at the end of World War II. As with...