Suppose Canada's economy is in a long-run equilibrium with real GDP equal to potential output. Now suppose there is an increase in world demand for Canada's goods. In the short run, . In the long run, . real GDP falls and the price level rises; real GDP is below its original level with a higher price level real GDP and the price level both fall; real GDP is below its original level with a lower price level real GDP rises and the price level falls; real GDP returns to its original level with a lower price level real GDP and the price level both rise; real GDP is above its original level with a higher price level real GDP and the price level both rise; real GDP returns to its original level with a higher price level