Szukana fraza: [Abstract = "The first one covered the years 1995\-2003 whereas the second one was from 2004 to 2012. This allowed us to make some interesting comparisons through the prism of Poland\?s accession to the EU. Additionally, long time series increased their reliability. To study supply and demand correlations, there were applied various statistical methods including dynamic indexes, trend models, analyses of correlation and various regression. A comprehensive analysis of the gathered research material allowed us to answer the question about some quantitative and qualitative changes which took place on the cereal market after Poland\?s accession to the EU."]

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