When focusing on business performance of a country, industry or an individual firm the performance of companies may be tracked using various measures. By simulating the behaviour of a simple firm, our model underlines that the choice of measurement unit determines what distortions we will face,...

In the present paper we analyse whether fundamental macroeconomic factors, temporary influences or more structural factors have contributed to the recent decline in bond yields in the US. For that purpose, we start with a very general model of interest rate determination in which risk premia are...