Econometric Analysis of Heterogeneous Panels with Unobserved Common Effects. Panel unit root tests. Analysis of Panel Vector Autoregressive Models(PVAR). Long-run Structural Macroeconometric Modelling. Global Vector Autoregressive Modelling (GVAR). Economic and Financial Forecasting in the Presence of Structural Breaks. Financial Econometrics - credit risk analysis and portfolio optimization. Econometric Analysis of Nontested Models. Empirics of Growth.