Changes in prices in economy, mainly producer price changes in agriculture, industry, construction, transport, foreign trade and retail prices. Information on inflation, both its sources and effects, e.g. economic relations, information obtained through the co-operatiom with banks (exchange rates, interest rates) insurance companies etc., harmoised indices of consumer prices calculated according to harmonized methodology used by all EU member states. In the descriptive part, there are methodological notes, explanation of the selected categories and analytical commentary.