UK Chancellor warns that house prices will fall if UK votes out of Europe in Referendum but Out campaign calls this an '

The video discusses the economy summit's focus on European economic strategies. It highlights the importance of cooperation within the European Union to foster job creation and reflects on the EU's collaborative efforts during the financial crisis to avert a global depression.

In what context is the economy being discussed according to the speaker?

What are the potential outcomes of the EU's cooperative efforts mentioned in the text?