The principle of multi-level governance significantly affects the quality of decisionmaking in the European Union. By distributing authority across governance levels, and increasing participation of governmental actors and non-state actors (entrepreneurs, citizens, non-governmental organizations) in EU decision-making, MLG contributes to the democratic legitimacy of decisions made by the EU. Importantly, the principle of multi-level governance has evolved gradually. On the one hand, it was promoted by the EU legislation, and on the other, embraced and supported by lobby groups representing various interests at the EU level.