Most financial and investment decisions are based on considerations of possible future changes and require forecasts on the evolution of the financial world. Time series and processes are the natural tools for describing the dynamic behavior of financial data, leading to the required forecasts....

Michael Schröder (Hrsg.) Basistechniken, Fortgeschrittene Verfahren, Prognosemodelle 2., überarbeitete Auflage 2012 Schäffer-Poeschel Verlag Stuttgart IX Inhaltsübersicht Vorwort zur zweiten Auflage ...

This paper argues that typical applications of panel unit root tests should take possible nonstationarity in the volatility process of the innovations of the panel time series into account. Nonstationarity volatility arises for instance when there are structural breaks in the innovation...

We analyze the theoretical moments of a nonlinear approximation to real business cycle model with stochastic volatility and recursive preferences. We find that the conditional heteroskedasticity of stochastic volatility operationalizes a time-varying risk adjustment channel that induces...