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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This paper USES the event study method to study the impact of issuance of Treasury bonds on spreads between the Treasury bond and corporate bond.

本文通过事件研究法，研究国债发行对企业债市场和国债市场利差的影响。

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