The Federal Reserve Bank of New York's Liberty Street Economics blog recently posted an article entitled, "Why (or Why Not) Keep Paying Interest on Excess Reserves?" Written by Gara Afonso, it says, "In the fall of 2008, the Fed added new policy tools to its portfolio of techniques for implementing monetary policy. In particular, since October 9, 2008, depository institutions in the United States have been paid interest on the balances they hold overnight at Federal Reserve Banks (see Federal Reserve Board announcement). Several other central banks, such as the European Central Bank (ECB) and the central banks of Canada, England, and Australia, have somewhat similar deposit facilities allowing banks to earn overnight rates on their balances. In this post, I discuss the benefits and costs of this new tool in an environment where excess reserves in the United States have now exceeded $1.4 trillion and account for close to 95 percent of all reserves."

The post says, "It has typically been argued that the interest rate paid by central banks on required reserve balances effectively compensates depository institutions for the implicit tax that reserve requirements impose on them, while the interest rate paid on excess balances provides the central bank with an additional tool for conducting monetary policy. Central banks differ, however, in the strategies they use to implement the rates paid on excess reserves. For example, the ECB does not pay interest on excess reserves directly but instead offers a deposit facility where banks can place excess reserves overnight. The Fed, by contrast, pays interest on depository institutions' excess balances directly."

Afonso writes, "Since the implementation of this new policy in the United States, reserves have increased to unprecedented levels (see chart in article). And although there is no doubt that adding a new tool has strengthened the Fed's ability to conduct monetary policy, some economists have recently begun to discuss the current costs and benefits of remunerating excess reserves: Should the trade-off between benefits and costs be reconsidered at this time? Or put differently, how would it matter if the Fed lowered the interest rate on excess reserves?"

He explains, "The textbook benefit of lowering interest rates is the stimulative effect on economic activity. The tactic is generally used by central banks to reduce the real cost of borrowing and encourage consumption and investment when the economy starts to weaken. However, it has been suggested that the effectiveness of lowering rates may be limited when rates are already very close to zero. Another benefit of reducing rates would be to lower money market rates and stimulate bank lending, although the effect may also be marginal in the current environment. An additional argument in favor of lowering rates can be found in traditional and recent theories of money that typically argue that a zero nominal interest rate leads to an optimal allocation of resources in the economy."

The NY Fed blog continues, "What about the costs of lowering rates? Reducing rates in an ultra-low-interest-rate environment may lead to a deflationary spiral. However, many economists have suggested that the risks of a deflationary trap are probably small. Additional costs were also pointed out at the Federal Open Market Committee (FOMC) meeting held on September 20-21, 2011 (see Minutes). When discussing the possibility of lowering the interest paid on reserves, participants at the meeting raised concerns that a close-to-zero rate could lead to disruptions in several financial markets. In particular, lowering rates could further depress the volume traded in the federal funds market. In a thinner market, the rate could then be driven by infrequent transactions that are no longer representative of overnight borrowing costs. The information that this rate may convey would then be lost. Very low interest rates could also place money markets funds under stress -- an outcome that could disrupt access to short-term credit for some borrowers, including large firms. As pointed out by Todd Keister in a post on November 16, 2011, on the zero lower bound, financial distress could also reach the U.S. Treasury market if rates were to become negative."

Finally, he says, "Overall, reducing the rate paid on excess reserves would push the fed funds rate closer to zero, which could have detrimental effects on several financial markets. Uncertainty about the scope of these disruptions to financial markets seems to be preventing central banks from lowering rates further."

In other news, the Senate voted to consider an extension of unlimited FDIC insurance on noninterest bearing accounts. The New York Times writes in "Bill to Extend Deposit Insurance Program Moves Forward in the Senate", "A bill extending a federal program guaranteeing deposits in noninterest-bearing accounts at federally insured banks easily cleared a procedural hurdle on Tuesday, setting it up for a vote on final passage later this week. But the bill, which is supported by most of the banking industry and by the White House, still faces an uphill battle in the Senate and the House."

The article adds, "The Senate voted 76-20 to continue debate on the bill, which would extend by two years a program created to help stabilize the banking system in the 2008 crisis. It was extended in 2010 until the end of this year.... The two sides were still negotiating on whether amendments to the bill would be allowed. If an agreement is not reached, it is unlikely that Senate Republicans will help provide the 60 votes needed for the bill to pass the next procedural milestone."

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