GMAT Sentence Correction (SC) | A country could keep some of the advantages of being in the European U

A country could keep some of the advantages of being in the European Union with an association agreement, as Norway has, but it would find it much harder to influence trade and competition policy.

Will the above sentence be incorrect?

I could not make the difference whether the author is trying to compare a country and Norway or presenting Norway as an example. Please help !