EU9 refers to the collection of nine nations which form an integral part of the great European Union. This group is marked by its noteworthy macroeconomicimpact and their rigorous enforcement of democratic values. These nations are significantly influential in shaping EU legislations and contribute significantly to the bloc's overall policy formation.

These nine countries, including well developed nations, take on a major role in setting EU standard regulations. The impact is visible across sectors like trade, foreign policy, and even climate change initiatives.

Furthermore, being a member of the EU9 not only gives a country economic benefits but also improvements in socio-political stability. The EU9's influence extends to forming a cooperative policy framework which can regulate the functioning of the whole EU. This can be viewed in the way in which they handle contemporary global issues.

The EU9’s joint economic power is a significant factor in their ability to influence EU policies. The combined GDP of these nations makes up a significant portion of the total EU economy. This economic strength provides them with a strong voice in directing EU policies.

The EU9 also exemplify the essence of democratic principles, which are a real bonus for the European Union. Strict adherence to regulations of democracy, human rights, and rule of law is backed in these countries, which essentially contributes to maintaining stability within the larger EU.

The EU9's role in environmental policy, in particular, is a demonstration to their influence. As the world grapples with climate change, these countries have been at the forefront of the EU's efforts to transition to greener options. These nations' influence is visible in the aggressive implementation of actions geared towards limiting emissions and building a sustainable future.

To wrap up, the EU9 represents a crucial part of the larger European Union. Their robust macroeconomic clout, commitment to democratic values, and commitment to environmental sustainability greatly influence EU's decision making. The power of the EU9 must not be underestimated, as this group of nations continues to steer the European Union's trajectory in many important EU9 areas.