lundi 13 avril 2015
Bernanke: Why are interest rates so low, part 4: Term premiums
Posted on 09:21 by nice news
Longer-term interest rates are quite low around the world. Figure 1 below shows ten-year government bond yields since 1990 for the United States, Canada, Germany, the United Kingdom, and Japan. The downward trend is clear. Moreover, further sharp declines in longer-tem yields have occurred over the past year or so. For example, in the US, ten-year Treasury yields have fallen from around 3 percent at the end of 2013, to about 2.5 percent during the summer of 2014, to around 1.9 percent today. The recent renewed decline was unexpected by most observers, including me. Why are longer-term interest rates so low? And why have they fallen even further recently, despite signs of strength in the US economy?
To explain the behavior of longer-term rates, it helps to decompose the yield on any particular bond, such as a Treasury bond issued by the US government, into three components: expected inflation, expectations about the future path of real short-term interest rates, and a term premium. At present, all three components are helping to keep longer-term interest rates low. Inflation is low and expected to remain so, so lenders are not demanding higher returns to compensate for anticipated losses in their purchasing power. Short-term interest rates are also expected to remain low, as bondholders appear pessimistic about growth prospects and the sustainable returns to capital in coming years. When short-term rates are expected to remain low, longer-term rates tend to get bid down as well.
The focus of this post, though, is on the behavior of term premiums—the third component of bond yields. Briefly, a term premium is the extra return that lenders demand to hold a longer-term bond instead of investing in a series of short-term securities (a new one-year security each year, for example). Typically, long-term yields are higher than short-term yields, implying that term premiums are usually positive (investors require
To explain the behavior of longer-term rates, it helps to decompose the yield on any particular bond, such as a Treasury bond issued by the US government, into three components: expected inflation, expectations about the future path of real short-term interest rates, and a term premium. At present, all three components are helping to keep longer-term interest rates low. Inflation is low and expected to remain so, so lenders are not demanding higher returns to compensate for anticipated losses in their purchasing power. Short-term interest rates are also expected to remain low, as bondholders appear pessimistic about growth prospects and the sustainable returns to capital in coming years. When short-term rates are expected to remain low, longer-term rates tend to get bid down as well.
The focus of this post, though, is on the behavior of term premiums—the third component of bond yields. Briefly, a term premium is the extra return that lenders demand to hold a longer-term bond instead of investing in a series of short-term securities (a new one-year security each year, for example). Typically, long-term yields are higher than short-term yields, implying that term premiums are usually positive (investors require
Bernanke: Why are interest rates so low, part 4: Term premiums
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