You're confusing economic theory with reality. There were already plenty of conflicts in many sectors (eg fishing) and now each EU country that think they can gain something in any sensitive sector by having tariffs on UK products will push in that direction.
You're confusing economic theory with reality. There were already plenty of conflicts in many sectors (eg fishing) and now each EU country that think they can gain something in any sensitive sector by having tariffs on UK products will push in that direction.