Explain the main causes and mechanisms of the collapse in world trade during the Global Financial Crisis, emphasizing the UK and the EU economic area.

Explain the main causes and mechanisms of the collapse in world trade during the Global Financial Crisis, emphasizing the UK and the EU economic area. In light of your findings evaluate the effectiveness of current trade policy responses to the Global Recession. What policy responses to negative impact on the trade balance were implemented in the UK? What do you think about their effectiveness in the long run?