Contents MARIOLA PIŁATOWSKA The Combined Forecasts Using the Akaike Weights ELŻBIETA SZULC Modelling of Dynamic Spatial Processes SYLWESTER BEJGER Econometric Tools for Detection of Collusion Equilibrium in the Industry JOANNA GÓRKA Application of the Family of Sign RCA Models for Obtaining the Selected Risk Measures DOROTA GÓRECKA, DOMINIK ŚLIWICKI Application of Panel Data Models to Exchange Rates' Modeling for Scandinavian and Central and Eastem European Countries MILDA MARIA BURZAŁA The Synchronization of Regional Business Cycles With Nationwide Cycles MONIKA KOŚKO Markov Switching Models with Application to Contagion Effect Analysis in the Capital Markets ANNA PAJOR Bayesian Analysis of the Box-Cox Transformation in Stochastic Volatility Models MAREK SZAJT Estimation of Disproportions in Patent Activity of OECD Countries Using Spatio-Temporal Methods ANETA WŁODARCZYK, MARCIN ZAWADA The Use of Weather Variables in the Modeling of Demand for Electricity in One of the Regions in the Southern Poland TOMASZ CHRUŚCIŃSKI The Study of Interdependence between Capital and Currency Markets Usmg Multivariate GARCH Models MARCIN FAŁDZIŃSKI Application of Modified POT Method With Volatility Model for Estimation of Risk Measures ROMAN HUPTAS Intraday Seasonality in Analysis of UHF Financial Data: Models and Their Empirical Verification JAROSŁAW KRAJEWSKI Estimating and Forecasting GDP in Poland with Dynamic Factor Model