The inversion of its yield curve last happened two weeks ago but, unlike then, purchases of Rome's bond by the European Central Bank on Tuesday failed to undo the damage.

两周前该国收益率曲线也曾出现倒挂，但此次不同的是，欧洲央行周二买进意大利国债的行动未能使曲线恢复正常。

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This has been dubbed "sterilised" QE or "Operation twist", after a 1960s programme in which the Treasury and the Fed tried to "twist" the yield curve by altering the pattern of Treasury-bond issuance.

这也被称作“变相”量化宽松政策或者“长短期利率操作”，是在上世纪60年代国库和美联储试图通过更改国债发行模式来“扭转”收益曲线后得名的。

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The maturity of various credit rating bond is more abundance will help to build up a rational corporate bond yield curve, and provide pricing benchmark for secondary market circulation.

各信用评级的发行期限更为丰富与完整，将有利于形成合理的公司债券收益率曲线，为二级市场流通提供定价基准。

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The slope of the yield curve can be measured in varying ways but is conventionally thought of as the long-term government bond rate minus the short-term government bond rate.

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They found that it made sense to buy long bonds in almost all interest-rate scenarios but one: when rates are low (so the risk that they will revert to the mean, thus undercutting the value of the bond, is high) and the yield curve a line drawn through the interest rates on government securities with different maturities is flat (so there is little extra reward for taking that risk).

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Mortgages are bumping along at or near multi-decade lows and a flood of Treasury bond buyers has led to a very appealing yield curve for corporate and government borrowers.

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