In this paper, Daniel Gros, wonders if the Norwegian solution for the United Kingdom is the good one after the notification of the article 50. 
The author says that beyond the question relative to the free movement of people which a necessary condition to adopt the Norwegian framework there is the question of the regulation. In this new framework and to continue to have access to the single market the UK will have to follow and to adopt the EU regulation. Will it be a progress? Not sure 
Britain’s Moment of Truth
BRUSSELS – Britain’s vote to leave the European Union has put the country’s role in Europe in limbo. Every day that passes deepens the impasse between the United Kingdom and the EU and makes the future more uncertain.
The EU leadership would like to move the process along and has called on the UK to immediately take steps to do so, as outlined in Article 50, the member-withdrawal provision of the Treaty of Lisbon.
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