Of course there are the many arguments regarding European integration and the part that the UK should play in Europe. The deepening of European integration could result in some benefits for companies. It would allow many companies to expand into Europe more easily as they would have a pan-European perspective as opposed to a simply national one. This would be especially true if the Euro was introduced into Britain, it would make transferring funds very easy for companies and it would also reduce the effects of the exchange rate mechanism, as there would be a fixed rate between European countries in the "Euro zone." Of course there would be the normal benefits that a company gains from being larger such as economies of scale. However if companies become too large there may be a certain amount of monopoly power gained and this could result in less choice for the consumer.
Throughout the history of the European union there has been an increasing number of countries joining. …