UCL Brexit Briefing
You may be interested in this UCL brexit briefing.
Summary of alternative relationship options for the UK with the EU, post Brexit
Source: HM Treasury Analysis: The long-term economic impact of EU membership and the alternatives, April 2016, pg 88.
Please note that the dotted line broadly shows the scope of the EU regulatory framework in relation to the single market and other EU policies. Further detail, along with the full report, can be found here