The article presents basic rules regarding to the evolution of legal mechanisms affecting the competitiveness of agriculture in Europe. Market mechanisms such as agricultural intervention, private storage subsidies or emergency aid measures have been analyzed. Author also pointed out the mechanisms whoch influence the profitability of agriculture, the level of unemployment, or the possibility of creating groups of agricultural producers. A possible framework was also defined for making analysis of the need to participate in the definition of European agricultural policy after 2020. It was pointed out that competitiveness and selection of legal mechanisms which can improve it, still would be one of the more important in this process.