About the EU

Existing 27 EU member states. The perpose of the EU without internal borders through the establishment of the space, strengthening economic and social development and coordination of a unified currency, through the Common Foreign and Security Policy, promote the Union on the international stage personality.

Britain joined the European Union have six advantage: Firstly, the possibility of increased specialization. To achieve economics od scale, that economy brings the EU companies in the international market to complete more effectively.
Secondly, in a larger market, greater competition to produce greater efficiency.
Thirdly, the EU countries to enjoy economies of scale and increased competition, it can produce faster growth.
Fourth, there are important political interests.
Fifth, the UK is the European Union, and a stable political background, it can attract investment, especially the US and Japan.
Sixth, it can the poorer of EU regions or the world's least developed countries to help.

While the disadvantages are direct contribution to the EU budget, the Common agricultural policy duo to rising food prices, the increased cost of manufacturing goods, services lack of competitiveness, and cumbersome procedures.

Overall, the UK joining the EU have advantages and disadvantages.