Aggregate supply is the total supply of final goods and services in an economy. The way in which we model aggregate supply changes depending on whether we are looking at the short run or the long run. 1st attempt Part 1 (2 points)See Hint (a) In the short run, the aggregate supply curve is . (b) In the long run, the aggregate supply curve is . Part 2 (3 points)See Hint Which of the following explain the shape of the short-run aggregate supply curve? Choose one or more: A. inflexible input prices B. international trade effects C. money illusion D. menu costs E. wealth effects