EC230 week 10 lse 2. Suppose Norway is contemplating joining the euro. Explain how the following factors might influence its decision to join, using Krugman's GG-LL model of optimal currency areas. (HINT: Changes in factors reflected in the x- axis are represented as movements along the curves; changes in factors NOT reflected in the x-axis are represented as upward and downward shifts in the curves). a) an increase in Norwegian exports to France, Germany and Italy (as a % of GDP)