Leader in the Georgian Politics

Based on a comparative analysis, the article considers the political activities of the national leaders (Zviad Gamsakhurdia, Eduard Shevardnadze, Mikhail Saakashvili and Bidzina Ivanishvili) in the transitional period of Georgia. Through their personal qualities, the authors analyze the role of charismatic leaders and their place in the Georgian politics

Forecasting Wheat Prices Based on Past Behavior: Comparison of Different Modelling Approaches

Being able to accurately forecast the evolution of wheat prices can be a valuable tool. Most of the published works apply classical forecasting models to wheat price time series, and they do not always perform out-of-sample testing. This work compares five modelling approaches for wheat price forecasts, using only past values of the time series. The models performance is assessed considering out-of-sample data only, by considering a sliding and growing time window that will define the data used to determine the models parameters, and the data used for out-of-sample forecasts