According to the aggregate demand and aggregate supply model, in the long run a decrease in the money supply leads to Select one: a. an increase in real GDP and an increase in the price level. O b. a decrease in the price level but does not change real GDP O c. decreases in both the price level and real GDP O d. an increase in the price level but does not change real GDP Which of the following is an example of a supply shock? Select one: O a. an increase in government spending O b. a sharp increase in the price of oil O c. a surprise increase of the money supply O d. an increase in the price level