AS and A2 students - why trade matters to the UK?

Understanding the UK's current imbalance problem - trade in goods deficit

http://www.economicshelp.org/blog/5776/trade/uk-balance-of-payments/

For A2 students the following is an excellent video clip on understanding 'comparative advantage theory'; essential knowledge for A2 exam.

http://www.youtube.com/watch?v=U12yZXBmQmY