We construct a model to analyse the two types of tender procedures used by the European Central Bank in its open market operations. We assume that the ECB minimizes the expected value of a loss function that depends on the quadratic difference between the interbank rate and a target interest...

This paper has estimated, using a non-parametric method, the distribution function of expected three-month interbank rates, using data on call options on the MIBOR-90 future. The evolution over time of this distribution function has enabled the effects of movements in the Banco de España...