Trade will not be frictionless: will a common rulebook help?

The White Paper for a new UK-EU partnership edges its way around the strict red lines of a hard Brexit in order to address the complaints of business and keep jobs in this country. In a surprise move, it puts forward proposals for services. Monica Horten (LSE), suggests that the 'common rulebook' may be a problematic metaphor in an inter-connected 21st-century business world.