The literature on optimal monetary policy in New Keynesian models under both commitment and discretion usually solves for the optimal allocations that are consistent with a rational expectations market equilibrium, but it does not study whether the policy can be implemented given the available...

Since the fall of 2008, the amount of outstanding reserves on the Federal Reserve's balance sheet has increased from about 100 billion dollars to more than 1 trillion dollars. There is some concern that the magnitude of outstanding reserves might affect the ability of the Federal Reserve to...