We describe a behavior of a central bank when its measures of current inflation and outputare subject to measurement errors, in a framework of optimizing models with nominal pricestickiness. In our model, a central bank sets the interest rate equal to its current estimate of theso-called...

[...]Importantly, these studies rely entirely on ex post analysis.In other words, the studies ask, Given the actual inflationoutcome, did the costs of TIPS issuances exceed the costs ofnominal Treasury issuances of similar durations? Thisapproach depends on the actual inflation outcome, which...