Suppose there is news that boosts business confidence in the European Union. How would you illustrate the primary effect on the EU economy? Note: for this question, assume that the horizontal axis in the AD-AS model represents output (GDP) of EU member countries. movement along the aggregate demand curve to the left a shift in the aggregate demand curve to the left a shift in the aggregate demand curve to the right a shift in the aggregate supply curve to the left and a shift in the aggregate demand curve to the left movement along the aggregate demand curve to the left a shift in the aggregate demand curve to the left a shift in the aggregate demand curve to the right a shift in the aggregate supply curve to the left and a shift in the aggregate demand curve to the left