Opinion of the European Economic and Social Committee (a) Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions – The single market at 30 (COM(2023) 162 final) (b) Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions – Long-term competitiveness of the EU: looking beyond 2030 (COM(2023) 168 final)