Opinion Editorial

Monday, January 12, 1998  

Interest Rate Fall May Signal Mild Deflation

On January 3, Federal Reserve Board Chairman Alan Greenspan gave an important speech in which he discussed the question of deflation. Since many people in financial markets have come to believe that deflation -- falling prices -- is now a greater risk than inflation, Greenspan's speech may give us important clues to monetary policy in the coming months.

To consumers who still see prices for food and clothing rising steadily, any discussion of deflation must seem ridiculous. However, the prices that consumers pay are the ultimate result of a long chain of commodity and producer prices. Changes in these prices, therefore, may indicate where consumer prices will go in the future. Since many such forward-looking indicators of consumer prices are trending downward, there is a good possibility that consumer prices too may fall in the future.

Prices for financial assets may also indicate the future direction of consumer prices. Among the most closely watched is the yield curve for Treasury securities.

  • Normally, a yield curve slopes upward, with interest rates going up as maturities rise.

  • Thus interest rates on 30-year Treasury bonds will normally be significantly higher than on 3-month Treasury bills.

  • When the yield curve becomes inverted, with short-term rates rising above long-term rates, this is frequently an indicator of an economic slowdown.

The yield curve has lately become very flat, with long-term interest rates only slightly above short-term rates (see figure). This flattening of the yield curve has come about entirely because long-rates have fallen sharply as inflationary expectations have diminished.

There is some debate among economists as to what effect deflation would have on interest rates. Indications are that mild deflations are bullish, leading to lower long-term rates, but more severe deflations cause rates to rise. According to economist Steven Leuthold, long-term rates averaged 4.6 percent when prices fell one percent. But when prices fell six percent or more, rates rose to 5.7 percent.

For this reason, Mr. Greenspan does differentiate between a mild deflation, which can be absorbed by the economy without serious disruption, and a persistent deflation that could lead to serious economic dislocation. Nevertheless, it is clear that he believes price stability, neither inflation nor deflation, should be the goal of monetary policy.

Traders in financial markets took Greenspan's comments favorably, causing the yield on Treasury's 30-year bond to fall to an all-time low. They also feel confident that if true deflation does emerge, the Fed will keep it in check.

Source: Bruce Bartlett (senior fellow, National Center for Policy Analysis), January 12, 1998.




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