In sum, the Federal Reserve has been acting on several fronts to address the recent turmoil in financial markets. Some of those actions are intended to stem the immediate problems. Others are intended to have longer-term benefits in helping to prevent future financial problems. But let me also add some words of caution about expecting more from the Fed than it has the ability to deliver.
I think it is particularly important, for example, to recognize that monetary policy cannot solve all the problems the economy and financial system now face. It cannot solve the bad debt problems in the mortgage market. It cannot re-price the risks of securities backed by subprime loans. It cannot solve the problems faced by those financial firms at risk of being given lower ratings by rating agencies because some of their assets are now worth much less than previously thought. The markets will have to solve these problems, as indeed they will. But it will take some time.
Unfortunately, the public perception of what monetary policy is capable of achieving seems to have risen considerably over the years. Indeed, there seems to be a view that monetary policy is the solution to most, if not all, economic ills. Not only is this not true, it is a dangerous misconception and runs the risk of setting up expectations that monetary policy can achieve objectives it cannot attain. To ensure the credibility of monetary policy, we should never ask monetary policy to do more than it can do.
The same could be said of the Fed’s lender of last resort function. All of the special lending facilities I described can be interpreted as part of that responsibility. Traditionally, in times of financial crisis, a central bank is supposed to lend freely at a penalty rate against good collateral. The experience of the past nine months suggests to me that we need to better understand how to apply this lender of last resort maxim in the context of today’s financial environment