The EU9 is the collection of nine nations that are part of the immense European Union. This collective is identified through its significant economicimpact and their hardline application of democratic values. These countries are significantly influential in directing EU policy and contribute substantially to the bloc's collective policy formation.

The EU9, including well developed nations, play a vital role in setting EU standard regulations. These countries' impact is manifested across fields like trade, foreign policy, and even climate change initiatives.

Furthermore, being a part of the EU9 not only provides a country financial benefits but also increases in socio-political stability. The EU9's influence extends to shaping a harmonious policy framework which can regulate the functioning of the entire EU. This can be noticed in the manner in which they manage contemporary global issues.

The EU9’s unified economic power is an important factor in their capability to influence EU policies. The combined GDP of these nations comprises a sizable portion of the total EU economy. This economic strength provides them with a strong voice in shaping EU guidelines.

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

The EU9's role in environmental policy, in particular, is a testament to their power. In the face of global climate concerns, these countries have been at the forefront of the EU's efforts to transition to greener alternatives. Their influence is visible in the aggressive implementation of actions geared towards curbing emissions and building a greener future.

In summary, the EU9 represents a crucial part of the larger European Union. Its robust macroeconomic clout, commitment to democratic values, and commitment to environmental sustainability greatly influence EU's policy formation. The major influence of the EU9 must not be neglected, as this group of nations continues to shape the European Union's trajectory EU9 in many important areas.