A good description of the dynamics of interest rates is crucial to price derivatives and to hedge corresponding risk. Interest rate modelling in an unstable macroeconomic context motivates one factor models with time varying parameters. In this paper, the local parameter approach is introduced...

SFB 649 Discussion Paper 2007-035 Estimating Probabilities of Default With Support Vector Machines Wolfgang Härdle* Rouslan Moro** Dorothea Schäfer*** * Humboldt-Universität zu Berlin, Germany ** Humboldt-Universität zu Berlin & DIW Berlin, Germany *** DIW...

SFB 649 Discussion Paper 2006-050 Robust Econometrics Pavel Čížek* Wolfgang Härdle** * Department of Econometrics and Operations Research, Universiteit van Tilburg, The Netherlands ** Institute for Statistics and Econometrics and C.A.S.E. – Center for...

Generalized single-index models are natural extensions of linear models and circumvent the so-called curse of dimensionality. They are becoming increasingly popular in many scientific fields including biostatistics, medicine, economics and finan- cial econometrics. Estimating and testing the...

SFB 649 Discussion Paper 2006-043 An Iteration Procedure for Solving Integral Equations Related to Optimal Stopping Problems Denis Belomestny* Pavel V. Gapeev** * Weierstrass Institute for Applied Analysis and Stochastics, Berlin, Germany ** Russian Academy of...