An alternative line of thinking on this is that the economic analyses have been conducted and paint such a disastrous picture for Britain that they have been suppressed and shredded.
The following exchange from within the last hour at the Treasury Committee is almost beyond belief. Philip Hammond has admitted that the British cabinet has never even discussed the desired final outcome they want from the Brexit negotiations.
Hammond confirms cabinet has not had specific discussion about final Brexit outcome it wants
Q: Has the cabinet discussed the end state, where the UK wants to get to after Brexit?
Hammond says there have been discussions about Brexit, but not a specific one about the end state.
He says the first discussion will come in a cabinet committee.
That can only happen when they know talks will move to phase two. Any discussion before then would be premature, he claims.
Hammond confirms cabinet has not had a specific discussion about the final Brexit outcome it wants, the so-called “end state”.