Search for: [Abstrakt = "The article treats possibilities of using time\-series\-cross\-section data for sales forecasting in an enterprise. Different kind of approaches to econometric forecasting using TSCS data are presented. Short\-run forecasts of gasoline sales according to regions in Poland are determined and their quality with the use of the ex\-post measures is estimated. The most accurate forecasting methods are then used to create a combined forecast. In the summary. advantages and disadvantages of the particular approaches are indicated as well as the conditions of their practical use."]