The economics of brexit are fairly simple. We import 50% of our food and energy and almost all clothing, furniture, household goods and electronics, which we pay for with the € and $ we earn from our exports. The balance is made up by selling UK assets like businesses & land.

Leaving the EU means that manufacturers with integrated supply chains would no longer be competitive as exporters. The key ones are vehicles, aerospace and pharma. They will leave, cutting at least £30Bn off our export income.

The exchange rate is determined by exports, so the £ will drop a lot, reducing the amount of imports we can afford and driving prices in £ sharply higher on everything. Services are also affecting by loss of access to the EU market - and that's our biggest export area.