You can be part of the EU as a full member, and therefore full access to the single market, which is unique because you have access to goods and services. (businessinsider.com)
«To get full access to the single market you have to contribute to the budget and accept the freedoms, the four pillars and you have to accept the jurisdiction [of the European Court of Justice],» he told Andrew Marr in an interview due to be aired on BBC One on Sunday. (businessinsider.com)
Using the EEA ensures full access to the single market and provides immediate cover for leaving the political arrangements of the EU.» (theguardian.com)