"As I stand here in B&Q it would be a DIY recession" - The words of the Prime Minister as he spoke in Hampshire today, exactly a month before the EU Referendum.
David Cameron and George Osborne were visiting B and Q headquarters to warn more than eight hundred thousand jobs could be lost if the UK exits the EU .
Here's a video clip of some of the main parts of his speech:
But the Brexit Campaign says we can flourish outside the EU and disputes some of the Prime Minister's assessment.
Former Tory Leader, Iain Duncan Smith says a number of economists don't agree with the report and the Treasury has looked at the "very worst possibilties."