Financial and Demographic Modeling Techniques. Data Mining Application Issues in the Taxpayer Selection Process / Mauro Barone, Stefano Pisani, Andrea Spingola -- Asymptotics of Implied Volatility in the Gatheral Double Stochastic Volatility Model / Mohammed Albuhayri, Anatoliy Malyarenko, Sergei Silvestrov, Ying Ni, Christopher Engstrom, Finnan Tewolde, Jiahui Zhang -- New Dividend Strategies / Ekaterina Bulinskaya -- Introduction of Reserves in Self-adjusting Steering of Parameters of a Pay-As-You-Go Pension Plan / Keivan Diakite, Abderrahim Oulidi, Pierre Devolder -- Forecasting Stochastic Volatility for Exchange Rates using EWMA / Jean-Paul Murara, Anatoliy Malyarenko, Milica Rancic, Sergei Silvestrov -- An Arbitrage-free Large Market Model for Forward Spread Curves / Hossein Nohrouzian, Ying Ni, Anatoliy Malyarenko -- Estimating the Healthy Life Expectancy (HLE) in the Far Past: The Case of Sweden (1751-2016) with Forecasts to 2060 / Christos H. Skiadas, Charilaos Skiadas -- Vaccination Coverage Against Seasonal Influenza of Workers in the Primary Health Care Units in the Prefecture of Chania / Aggeliki Maragkaki, George Matalliotakis -- Some Remarks on the Coronavirus Pandemic in Europe / Konstantinos Zafeiris, Marianna Koukli -- Applied Stochastic and Statistical Models and Methods. The Double Flexible Dirichlet: A Structured Mixture Model for compositional Data / Roberto Ascari, Sonia Migliorati, Andrea Ongaro -- Quantization of Transformed Levy Measures / Mark Anthony Caruana -- A Flexible Mixture Regression Model for Bounded Multivariate Responses / Agnese M. Di Brisco, Sonia Migliorati -- On Asymptotic Structure of the Critical Galton-Watson Branching Processes with Infinite Variance and Allowing Immigration / Azam A Imomov, Erkin E. Tukhtaev -- Properties of the Extreme Points of the Joint Eigenvalue Probability Density Function of the Wishart Matrix / Asaph Keikara Muhumuza, Karl Lundengard, Sergei Silvestrov, John Magero Mango, Godwin Kakuba -- Forecast Uncertainty of the Weighted TAR Predictor / Francesco Giordano, Marcella Niglio -- Revisiting Transitions Between Superstatistics / Petr Jizba, Martin Proks -- Research on Retrial Queue with Two-Way Communication in a Diffusion Environment / Viacheslav Vavilov.