There are various restrictions to trading with the EU as an outsider . Therefore it is beneficial to be within the Single Market in order to trade with them . Whereas , the UK claims to be more than willing to negotiate excellent , comprehensive , no tariff , low regulation deals ASAP . As such a Scotland outside the UK , but in the EEA agreement would have an excellent opportunity to negotiate a trade agreement covering vast swathes of goods and services with the UK thus effectively preserving the UKScotland market . As such it can be the economically sensible choice . <| sep |> I ' m an American visiting London this week and was super surprised to see all the Black Friday sales here . Apparently it started last Weds and goes through the weekend . Don ' t know about the rest of the country but in places like Soho tons of stores are doing it .