In fixed income analysis, duration plays a central role as a proxy for interestrate risk exposure. Althoughthis role relies on the interpretation of duration as (minus) theyield elasticity of the bond price, duration ismeasured as a bond's present value weighted average time to maturity...

Most of the available monthly interest data series consist of monthlyaverages of daily observations. It is well-known that this averaging introduces spurious autocorrelation effectsin the first differences of the series. It isexactly this differenced series we are interested in when...