No point invoking till we have prepared properly and go a definite straegy on what we want and what compromises we are willing to make, not least about access to the single market and free movement of people.
Its still way too early to tell plus we havent even left yet.
We dont have any significnat data yet and will really need to wait for 5 or 10 years till we can start assessing what the impact has been.
Things priced in $ have gone up a fair bit.