There is an available parliamentary majority for a different Brexit, a much softer model that starts from the economically rational
base of customs union and single market membership.
Not exact matches
The analysis is
based on the default scenario
of the UK ceasing to be a member
of the EU single market and
customs union and failing to reach any withdrawal agreement containing preferential trade terms with other EU member states.
All
of this is perfectly sensible if you're out the
customs union, but it is a lot
of work,
based on technology which has not been shown to work at this scale, and relying to a huge degree on the cost - effectiveness and utility
of IT solutions.