Many researchers are interested in making predictions for macroeconomic variables, but few of them studied the accuracy of their forecasts. The problem is essential, especially in crisis periods, because from many forecasts made for the same indicator only one or few are the most accurate. In...

A new approach is proposed for forecasting a time series with multiple seasonal patterns. A state space model is developed for the series using the single source of error approach which enables us to develop explicit models for both additive and multiplicative seasonality. Parameter estimates...

As a material production branch, agriculture features certain particularities that are essentially different from those of the other sectors of national economy, namely: active role in land operation, which increases the capacity of obtaining high yields by rational land use and use of technical...