Summary:
- The article discusses the concept of a "single market" in the European Union, which refers to the free movement of goods, services, capital, and people within the EU.
- It explains that while the EU has made progress in creating a single market, there are still significant barriers and differences between member states that limit its effectiveness.
- The article suggests that the idea of a truly integrated single market is more of a myth than a reality, and that further efforts are needed to address the remaining challenges and achieve a more unified economic system within the EU.