Liquidity problems lie at the heart of crises on financial markets as demonstrated in this paper by detailed descriptions of the stock market crash in 1987, the LTCM-crisis in 1998 and the financial market consequences of 11 September 2001. The events also demonstrate that modern central banks,...

This paper provides a framework to analyse emergency liquidity assistance of central banks on financial markets in response to aggregate and idiosyncratic liquidity shocks. The model combines the microeconomic view of liquidity as the ability to sell assets quickly and at low costs and the...

Discretionary monetary policy produces a dynamic loss in the New Keynesian model in the presence of cost-push shocks. The possibility to commit to a specific policy rule can increase welfare. A number of authors since Woodford (1999) have argued in favor of a timeless-perspective rule as an...

Discretionary monetary policy produces a dynamic loss in the New Keynesian model in the presence of cost-push shocks. The possibility to commit to a specific policy rule can increase welfare. A number of authors since Woodford (1999) have argued in favour of a timeless perspective rule as an...

When back-testing the calibration quality of rating systems two-sided statistical tests can detect over- and underestimation of credit risk. Some users though, such as risk-averse investors and regulators, are primarily interested in the underestimation of risk only, and thus require one-sided...

Discretionary monetary policy produces a dynamic loss in the New Keynesian model in the presence of cost-push shocks. The possibility to commit to a specific policy rule can increase welfare. A number of authors since Woodford (1999) have argued in favour of a timeless perspective rule as an...

Los sistemas de evaluación del crédito desarrollados internamente por los bancos centrales nacionales (ICAS) son una fuente importante de valoración del riesgo de crédito dentro del marco de los activos de garantía de política monetaria del Eurosistema. En particular, los ICAS permiten que...