In the paper, the problem of uncertain data in reliability analysis of complex systems is examined. The analysis is addressed to system reliability assessment with imprecise knowledge of component reliabilities, an item becoming more and more important for systems affected by considerable...

Empirical research has shown that there is large uncertainty concerning the value of the natural rate of unemployment at any point in time. I incorporate this feature in a model of monetary policy where the policymaker targets an inflation rate and the natural rate of unemployment and solve for...