Multivariate Volatility Models belong to the class of nonlinear models for financial data. Here we want to focus on multivariate GARCH models. These models assume that the variance of the innovation distribution follows a time dependent process conditional on information which is generated by...

The following research is guided by the hypothesis that products chosen on a shopping trip in a supermarket can indicate the preference interdependenciesbetween different products or brands. The bundle chosen on the trip can be regarded as the result of a global utility function. More...

In high-dimensional data, one often seeks a few interesting low-dimensional projections that reveal important features of the data. Projection pursuit is a procedure for searching high-dimensional data for interesting low-dimensional projections via the optimization of a criterion function...

This article provides a comprehensive econometric analysis of factors driving aggregatemortality rates over time. It differs from previous studies in this field by simultaneouslyconsidering an extensive set of macroeconomic, socio-economic and ecological factors asexplanatory variables. Germany...