Art. 102a EWG

Member States shall conduct their economic policies with a view to contributing to the achievement of the objectives of the Community, as defined in Article 2, and in the context of the broad guidelines referred to in Article 103(2). The Member States and the Community shall act in accordance with the principle of an open market economy with free competition, favouring an efficient allocation of resources, and in compliance with the principles set out in Article 3a.