Acta Scientiarum Polonorum
Silvarum Colendarum Ratio et Industria Lignaria

In the context of market research, special attention is paid to the analysis of data based on time series. In this research the focus is on the panel analysis. The survey was conducted in Central Serbia within the companies engaged in purchasing, processing and sales of non-wood forest products (NWFPs). The aim of the research was to investigate the influence of independent variables (placement on the domestic market, export and sales prices of NWFPs) on the dependent variable – purchase of raw products. The purpose of the research was  to emphasize the importance of certain factors that influence the purchase of raw materials. The subjects of research were: companies operating on the territory of central Serbia, purchase quantity, placement on the domestic market and export, as well as the prices of final products.