Accurate modelling of risk is very important in finance. There are many alternative risk measures, however none of them is dominating. This paper proposes to use the family of Sign RCA models to obtain the Value-at-Risk (VaR) and Expected Shortfall (ES) measures. For models from the family of...

The paper is concerned with econometric modeling of the dynamic spatial processes on the example of the GDP per capita in selected European countries. The considerations of the paper are focused on investigations of the structure of components of the spatio-temporal process. As a result of the...

In the paper, we consider the Box-Cox transformation of financial time series in Stochastic Volatility models. Bayesian approach is applied to make inference about the Box-Cox transformation parameter (l). Using daily data (quotations of stock indices), we show that in the Stochastic Volatility...

This article presents the analysis of the contagion effect in the capital markets on the basis of the Markov switching models MS. The research is based on the return of the indexes. There is a distinction of two regimes with different volatility levels, the calm period and the crisis period....

This paper attempts to assess the level of synchronization between the business cycles of Poland’s regions and those of the country as a whole. The measure of economic activity was an index of total industrial output sold, recorded monthly from January 1999 to December 2008, adjusted for...